The Little Albert Experiment

The Little Albert Experiment Theories Behavioral Psychology Print The Little Albert Psychology Experiment A Closer Look at the Famous Case of Little Albert By Kendra Cherry facebook twitter Kendra Cherry, MS, is an author, educational consultant, and speaker focused on helping students learn about psychology. Learn about our editorial policy Kendra Cherry Reviewed by Reviewed by Amy Morin, LCSW on September 30, 2019 facebook twitter instagram Amy Morin, LCSW, is a psychotherapist, author of the bestselling book 13 Things Mentally Strong People Dont Do, and a highly sought-after speaker. Learn about our Wellness Board Amy Morin, LCSW Updated on December 07, 2019 More in Theories Behavioral Psychology Cognitive Psychology Developmental Psychology Personality Psychology Social Psychology Biological Psychology Psychosocial Psychology In This Article Table of Contents Expand Background Classical Conditioning Stimulus Generalization Criticism After the Experiment View All Back To Top The Little Albert experiment was a famous psychology experiment conducted by behaviorist John B. Watson and graduate student Rosalie Rayner.?? Previously, Russian physiologist Ivan Pavlov had conducted experiments demonstrating the conditioning process in dogs. Watson was interested in taking Pavlovs research further to show that emotional reactions could be classically conditioned in people. Verywell / Jessica Olah A Closer Look The participant in the experiment was a child that Watson and Rayner called Albert B. but is known popularly today as Little Albert. Around the age of 9 months, Watson and Rayner exposed the child to a series of stimuli including a white rat, a rabbit, a monkey, masks, and burning newspapers and observed the boys reactions. The boy initially showed no fear of any of the objects he was shown. The next time Albert was exposed  to the rat, Watson made a loud noise by hitting a metal pipe with a hammer. Naturally, the child began to cry after hearing the loud noise. After repeatedly pairing the white rat with the loud noise, Albert began to cry simply after seeing the rat. Watson and Rayner wrote: The instant the rat was shown, the baby began to cry. Almost instantly he turned sharply to the left, fell over on [his] left side, raised himself on all fours and began to crawl away so rapidly that he was caught with difficulty before reaching the edge of the table. Elements of Classical Conditioning in the Little Albert Experiment The Little Albert experiment presents an example of how classical conditioning can be used to condition an emotional response. Neutral Stimulus: The white ratUnconditioned Stimulus: The loud noiseUnconditioned Response: FearConditioned Stimulus: The white ratConditioned Response: Fear How Classical Conditioning Works Stimulus Generalization in the Little Albert Experiment In addition to demonstrating that emotional responses could be conditioned in humans, Watson and Rayner also observed that stimulus generalization had occurred.?? After conditioning, Albert feared not just the white rat, but a wide variety of similar white objects as well. His fear included other furry objects including Raynors fur coat and Watson wearing a Santa Claus beard. How Stimulus Generalization Influences Learning Criticisms of the Little Albert Experiment While the experiment is one of psychologys most famous and is included in nearly every introductory psychology course, it has also been criticized widely for several reasons. First, the experimental design and process were not carefully constructed. Watson and Rayner did not develop an objective means to evaluate Alberts reactions, instead of relying on their own subjective interpretations. Secondly, the experiment also raises many ethical concerns. The Little Albert experiment could not be conducted by todays standards because it would be unethical. What Ever Happened to Little Albert? The question of what happened to Little Albert has long been one of psychologys mysteries. Watson and Rayner were unable to attempt to eliminate the boys conditioned fear because he moved with his mother shortly after the experiment ended. Some envisioned the boy growing into a man with a strange phobia of white, furry objects. Recently, however, the true identity and fate of the boy known as Little Albert was discovered. As reported in American Psychologist, a seven-year search led by psychologist Hall P. Beck led to the discovery.?? After tracking down and locating the original experiments and the real identity of the boys mother, it was suggested that Little Albert was actually a boy named Douglas Merritte. The story does not have a happy ending, however. Douglas died at the age of six on May 10, 1925 of hydrocephalus, a build-up of fluid in his brain. Our search of seven years was longer than the little boy’s life, Beck wrote of the discovery. In 2012, Beck and Alan J. Fridlund published their discovery that Douglas Merritte was not the healthy and normal child that Watson described in his 1920 experiment.?? Instead, they found that Merritte had suffered from hydrocephalus since birth and presented convincing evidence that Watson knew about the boys condition and intentionally misrepresented the state of the childs health. These findings not only cast a shadow over Watsons legacy, but they also deepen the ethical and moral issues of this well-known experiment. In 2014, doubt was cast over Beck and Fridlunds findings when researchers presented evidence that a boy by the name of William Barger was the real Little Albert.?? Barger was born on the same day as Merritte to a wet-nurse who worked at the same hospital as Merrittes mother. While his first name was William, he was known his entire life by his middle name, Albert. While experts continue to debate the true identity of the boy at the center of Watsons experiment, there is little doubt that Little Albert left a lasting impression on the field of psychology.

King Henry The Viii By William Shakespeare - 853 Words

King Henry the VIII was born in 1491 to Henry Tudor VII and Elizabeth of York, making him their third child, but second son. He was named after his father, Henry VII, and since he was the second son, he was not expected to be King. King Henry VII eldest son Arthur, Prince of Wales was to take the thrown and become King of England, that is until his death unexpected death. When little Henry was ten years old, he attended Arthur and his bride Catherine of Argon’s wedding. Four months after the marriage began, it ended, with Arthur s death. There was a signed treaty that stated Catherine would be allow to marry the next heir to the throne – Prince Henry. It was considered necessary for a papal exemption to be issued permitting Henry to wed Catherine because she was his dead brother’s wife, and this marriage was restricted in Leviticus. At the time, and for the duration of her life, Catherine denied that her marriage to Arthur had even been fulfilled, so no agreemen t was required. In any case, both the gatherings in Spain and England needed to make certain of the authenticity of the marriage, so consent from the pope was looked for and got. The marriage did not take place however. Henry became King Henry the VIII of England when Henry VII passed on April 22, 1509, which changed his life forever. Henry was barely eighteen years of age when got to the thrown. He has been prepared ever since the death of his brother Arthur. At this age, he was not the kind of person you wouldShow MoreRelatedHenry Viii And Henry Vi : Why Did Shakespeare Do This !?1510 Words   |  7 Pages12/6/2014 Sasha Woods English 2B Ms. Carey Henry VIII and Henry VI: Why did Shakespeare do this!?! The Shakespearean playwrights, Henry VIII and Henry VI are portrayed as the most powerful and dominant king that ever ruled England. Then you take a look at these two kings real lives and it strikes mystery. What true? What not? What to believe, what not believe? Well in this book report, I will compare and contrast the playwrights that Shakespeare wrote, to there real lives. But first we have toRead MoreEssay on William Shakespeares Henry V1606 Words   |  7 PagesWilliam Shakespeares Henry V William Shakespeare is one of the most famous and influential writers of all time. His plays not only portray the past, but also aspects of love and hate, humour and tragedy. Henry V, written by Shakespeare, using Raphael Holinsheds historical chronicles, appealed to many of the citizens of that time, as it presented an insight into their countrys past, as well as feel-good nationalism. It would have been performed on stage at a timeRead MoreThe Allegorical Analysis of Shakespeare ´s Hamlet Essay597 Words   |  3 Pages During the life of William Shakespeare, the Roman Catholic Church was still going through a difficult time of change in England because of an act about thirty years prior due to King Henry VIII. King Henry VIII pleaded to the pope for an annulment because he believed with a new wife he would be able to produce a son since he had not been successful with his current wife. The pope denied his annulment and King Henry VIII was excommunicated from the Roman Catholic Church. He decided to create hisRead MoreHenry Viii : An Old English Folk Song And Tune That Talks About A Woman Named1270 Words   |  6 PagesAlthough there was never a named composer, many people believe that it was written by King Henry VIII for his future queen, Anne Boleyn, but there are some problems with this theory because of its style and of the time period it w as written in. In fact there is no direct information that can link Henry VIII to this piece. In this paper, using historical information and scholarly articles, I argue that Henry VIII did not compose Greensleeves. Greensleeves is written in a form called passomezzo whichRead MoreWilliam Shakespeare s Influence On The Course Of World History1440 Words   |  6 PagesWaldo Emerson, a famous essayist inspired by Shakespeare’s works. William Shakespeare was a renowned author, poet, actor, and playwright. He has contributed to many components of life today such as; founding modern English language, contributing to literature, contributing to modern theater, and contributing many of his works to modern English. William Shakespeare has greatly impacted the course of world history. William Shakespeare was believed to be born on April 23,1564, in his hometown of Stratford-upon-AvonRead MoreBiography of William Shakespeare Essay762 Words   |  4 PagesWilliam Shakespeare was born on April 23rd 1564 in Stratford-upon-Avon and died on April 23rd 1616; he was 52 years old when he died and was buried in the Stratford church. His father was John Shakespeare and died in 1601; his mom was Mary Arden and died in 1608. He married to Anne Hathaway the daughter of a farmer. They got three children: Susanna who was born on 1583 and two twins a boy which is Hammet and a girl which is Judith. Susanna was the eldest child and she didn’t have any education, sheRead MoreHow The Christian Faith Broke Into So Many Different Denominations?2033 Words   |  9 PagesMartin Luther. He began a religious movement called the Protestant reformation. During this period many people and countries broke away from the Catholic faith. The countries England and Scotland were some coun tries that broke away and the English king, Henry VIII began the break from Catholicism and founded the church if England. Many events followed this break and some of the events became violent. These events and the break from the Catholic work influenced English and Scottish literature. ReligiousRead MoreWilliam Shakespeares Henry V Essay1362 Words   |  6 PagesWilliam Shakespeares Henry V Shakespeares, Henry V, was written in the late sixteenth century, this composition will focus upon how Shakespeare portrayed Henry V, using factual knowledge and Shakespeares own interpretation. I will look at the character, language, structure and history of the play. Most Shakespearian, historical, plays were based upon Holinsheads Chronicles, these were mostly true but often Shakespeare adjusted the figures and facts to emphasiseRead MoreWilliam Shakespeare: Greatest Playwright of All1554 Words   |  7 PagesWilliam Shakespeare: Greatest Playwright of All William Shakespeare (1564-1616) was a British poet and playwright, he was well known as the greatest writer of all time, he was often called the Bard of Avon.Although many facts of his life remain unknown, his poems and plays are unique and have timeless theme that touch everyone’s heart, and are still widely studied and performed in today’s society. During the reign of Queen Elizabeth I, England enjoyed a time of prosperity and stability that ledRead MoreWilliam Shakespeare: Greatest Playwright of All1568 Words   |  7 PagesWilliam Shakespeare: Greatest Playwright of All William Shakespeare (1564-1616) was a British poet and playwright, he was well known as the greatest writer of all time, he was often called the Bard of Avon.Although many facts of his life remain unknown, his poems and plays are unique and have timeless theme that touch everyone’s heart, and are still widely studied and performed in today’s society. During the reign of Queen Elizabeth I, England enjoyed a time of prosperity and stability that led

The Importance of Plot in William Faulkners A Rose for...

The Importance of Plot in William Faulkners A Rose for Emily In â€Å"A Rose For Emily†, by William Faulkner, plot plays an important role in how the story is played out. Faulkner does not use chronological order in this short story. Instead, he uses an order that has many twists and turns. It appears to have no relevance while being read, but in turn, plays an important role in how the story is interpreted by the reader. Why does Faulkner present the plot of this story in this manner? How does it affect the reader? What does the convoluted plot presentation do to this story? How might the story be different if the plot was presented in chronological order? These are a few questions that have come to my attention while reading this†¦show more content†¦This totally surprised me as a reader, having no clue that it was possible for her to commit such a crime. After reading the story, it is easy to see why Faulkner told the story in the way that he did. He did it to keep the reader on his toes and to not let the reader be abl e to predict what might happen next. Second, how does Faulkner’s plot affect the reader? Faulkner is a brilliant writer due to the fact that he keeps the reader guessing throughout the whole story. Not once, while reading â€Å"A Rose for Emily† did I have a clue about what might happen next in the story. Sure, I thought I knew what was going to happen next, but I was never right. Faulkner kept me on my toes from the opening sentence until the concluding sentence. While reading the story one had to stay focused on when and where each part was taking place because Faulkner was changing the time period every chance that he could. This story is one that needs to be read in a quiet room with no distractions available. If it is read without ones full attention, the reader will be left confused and without the full understanding of the story. With the many twists and turns throughout the story, one cannot afford to miss one single part. If so, it might be enough to ruin the whole outlook of the story as a whole. One way that Faulkner keeps the reader guessing is by justShow MoreRelatedA Rose For Emily And Barn Burning By William C. Faulkner949 Words   |  4 Pagesshort stories were written by William C. Faulkner who embodied the Southern sensibility, and to this day his stories continue to be enjoyed by many. Faulkner was born from a rich family who had accumulated wealth before the Civil War, but like many families in the South they had lost all of it during the conflict. His family moved to Oxford, Mississippi which is the basis for the fictional town of Jefferson in most of his stories from Yoknapatawpha County. Faulkner’s stories create a mood to makeRead MoreWilla Cathers Issues with Realism and The Barn Burner, Paragraphs1059 Words   |  4 Pages1. Willa Cather 2. 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The authors of these highly acclaimed Southern Gothic works, have skillfully and eloquently created intricate characters and imagery that portrayRead MoreA Rose For Emily By William Faulkner1780 Words   |  8 PagesIn 1930, William Faulkner wrote a five-part story entitled â€Å"A Rose for Emily† that follows the life of a young woman named Miss Emily Grierson. Faulkner sets his story in the Old South, soon after the ending of America’s Civil War, and represents the decaying values of the Confederacy (Kirszner Mandell, 2013a, p. 244). One of these values which the text portrays quite often in â€Å"A Rose for Emily†, is the patriarchal custom of society viewing men as having more importance than their female counterpartsRead MoreAnalysis Of Katherine Mansfield s Miss Brill 1633 Words   |  7 Pagescorrelation to William Faulkner s short story A Rose For Emily. Although both stories appear to be not so alike, the connections they impart are of substantially more value. The distinctions in social contribution between Miss Brill and Emily Grierson can t exceed the similarities in their absence of social and emotional lives and their shocking conditions of refusal. The plots of the stories demonstrate the dissimilarities in the social lives between Miss Brill and Grierson Emily and how bothRead MoreLiterary Pieces Of Winter Dreams By F. Fitzgerald And A Rose For Emily1785 Words   |  8 PagesScott F. Fitzgerald and â€Å"A Rose for Emily† by William Faulkner included the social and environmental influences that encouraged and controlled the character’s life and decisions. In â€Å"Winter Dreams†, the main protagonist-- Dexter-- fell into a fixation over a young, whimsical blueblood, Judy Jones. His obsession led him to believe that Judy Jones reciprocated his feelings for her, leaving him bare and mortal-- despite prior beliefs. Following her father’s death, Miss Emily fell into a dark obscurityRead MoreEssay on The Scrambling of Time in Faulkners A Rose for Emily1504 Words   |  7 PagesThe Scrambling of Time in Faulkners A Rose for Emily In, A Rose for Emily, Faulkner uses the element of time to enhance details of the setting and vice versa. By avoiding the chronological order of events of Miss Emilys life, Faulkner first gives the reader a finished puzzle, and then allows the reader to examine this puzzle piece by piece, step by step. By doing so, he enhances the plot and presents two different perspectives of time held by the characters. The first perspective (the worldRead MoreA Rose for Emily the Yellow Wallpaper5184 Words   |  21 PagesThe protagonists in both â€Å"A Rose for Emily† by William Faulkner and in â€Å"The Yellow Wallpaper† by Charlotte Perkins Gilman experience struggles within their society throughout their respective stories. Although the stories are very different, the struggles for each protagonist stem from the perception and expectations of women in society during the time each story was written. The protagonist in â€Å"The Yellow Wallpaper† struggles throughout the story due to her controlling husband and a woman’sRead More Short-story Paper2093 Words   |  9 PagesPAPER Compare/contrast Faulkners Dry September with A rose for Emily in terms of writing style and character presentation.; What is going to be analyzed in this paper are the two short stories by W. Faulkner A Rose for Emily and Dry September. Basically, what is to be performed is a comparison/contrast analysis in terms of the writing style and character presentation. More specifically, I will provide first the information from the story A Rose for Emily, concerning writing styleRead More Flannery O’Connor Essay1267 Words   |  6 PagesEverything That Rises Must Converge centers on the relationship between Julian, a young man who has recently graduated from college, and his mother. It takes place in a city in the South soon after integration. Much like Emily Grierson in William Faulkner’s A Rose for Emily, Julian’s mother is a product of the Old South. She takes tremendous pride in her heritage due to the fact that her ancestors were people who were once very highly respected. Her grandfather was a former state governor as

Fashion History of Womenswear (1900~1950) Free Essays

To inform Specific purpose: To inform my audience fashion history of Homeowners between 1900?1950 Central idea: Western fashion history of Homeowners between 1900-1950 were highly influenced by history event such as World War I and II Main idea: l. WWW brought Asia culture to Europe and Japanese dress are one of the major influence II. WWW brings women to workplace therefore shape and length of dress had huge change, Channel were raised up this time Ill. We will write a custom essay sample on Fashion History of Womenswear (1900~1950) or any similar topic only for you Order Now After WWW was another twist point, fancy comes bad and Door’s The New look were published Commentary were highly influenced by history event such as World War I and II Method of organization: Chorological Introduction: The introduction of Fashion consists at the beginning. We begins with a brief our feeling towards fashion. Body: The body of the speech Chocolate provides an idea of how the society, economic and culture change the influenced the fashion style in Western culture. The first point is about how World War 1 brought Asia culture to Western culture in fashion. A transition to World War 2 marks Vanessa move to the second point, in which how World War 2 affect the use of fabric, and shows the evidence by photo on the visual ads. Vanessa ends the second point by how the people at that time solve their problem fashion. After the transition, Chocolate bring the subject to 1947 which mention about the change after war, and Dior’ The New Look published. Conclusion: Consisting at the end of the speech, the conclusion reminds listeners of the significance of the topic and summarizes the main points. Also, it provides a sense of feeling for audiences that they are a part of the fashion history too. How to cite Fashion History of Womenswear (1900~1950), Essays

Native Son Analysis Essay Example For Students

Native Son Analysis Essay In Native Son, by Richard Wright, the main character is 20 year old Bigger Thomas. Growing up poor, uneducated, and angry at the whole world, it is almost obvious that Bigger is going to have a rough life. Anger, frustration, and violence are habits for him. He is an experienced criminal, and unable to handle with his wild mood swings, Bigger often explodes in fits of crazy, aggressive outrage. Bigger has grown up with the opinion that he simply has no control over his life. In his mind, he cant ever be anything more than an unskilled, low-wage laborer. He is forced to take a job as a chauffeur for the Daltons to avoid having to watch his own family starve. Strangely, Mr. Dalton is Biggers landlord; he owns most of the company that manages the apartment building where Biggers family lives. Mr. Dalton and other wealthy real estate men are robbing the poor, black tenants on the South Side. What they do is refuse to rent apartments in other neighborhoods to black tenants. By doing this, they create an fake housing shortage on the South Side, and that causes high rents. Mr. Dalton likes to think of himself as a generous man just because he gives money to black schools and offers jobs to poor, timid black boys like Bigger. However, his generosity is only a way for him to get rid of the guilty conscience he has for cheating the poor black residents of Chicago. Mary Dalton, the daughter of Biggers Mr. Dalton, angers Bigger when she ignores the rules of society when it comes to relationships between white women and black men. On his first day on the job, Bigger drives Mary out to meet her boyfriend, Jan. One thing leads to another, and all three of them get drunk. Mary is too drunk to make it to her bedroom on her own, so Bigger helps her up the stairs. Just as he places Mary on her bed, Marys blind mother, Mrs. Dalton, enters the bedroom. Bigger is scared that Mary will give away that he is in the room, so he covers her face with a pillow and accidentally smothers her to death. Unaware that Mary is dead, Mrs. Dalton prays and then leaves the room. Bigger tries to cover his crime by burning Marys body in the Daltons furnace. Then attempts to frame Jan for Marys disappearance. A comment by Biggers girlfriend, Bessie, gives him the idea to try to collect ransom money from the Daltons. He writes a ransom letter and signs it Red, then talks Bessie into taking part in the whole plan. But, when Marys bones are found in the furnace, Bigger and Bessie run away to an empty building. Bigger is scared that he is going to get caught because of Bessie, so he rapes her and then he beats her to death with a brick. Everyone is after Bigger to try to catch him and bring him to jail. He escapes the huge manhunt as long as he can, but he is eventually captured after a huge shoot-out. The press and the public decide his guilt and his punishment before his trial even begins. All the people just assume that Bigger raped Mary before killing her and burned her body to hide the evidence. The white authorities and mob use Bigger as an excuse to terrorize the entire South Side neighborhood. Jan is heartbroken over Marys death, but he finally understands that he is partly guilty too. He realizes that he was wrong to expect Bigger to act differently to him than to any other white man. Jan also realizes that he violated all of the rules that apply to race relations. And the fact that he did that, angered and shamed Bigger. Jan gets his friend, Boris A. Max, to defend Bigger for free. He tries to save Bigger from the death penalty by arguing that what Bigger did was an affect of the environment he was in. Max warns the public that there will be more men like Bigger if America does not put an end to the huge cycle of hate and punishment. But, even after the trial, Bigger is sentenced to death. .u0f815a8d48d1b39c895446dcfaa76c22 , .u0f815a8d48d1b39c895446dcfaa76c22 .postImageUrl , .u0f815a8d48d1b39c895446dcfaa76c22 .centered-text-area { min-height: 80px; position: relative; } .u0f815a8d48d1b39c895446dcfaa76c22 , .u0f815a8d48d1b39c895446dcfaa76c22:hover , .u0f815a8d48d1b39c895446dcfaa76c22:visited , .u0f815a8d48d1b39c895446dcfaa76c22:active { border:0!important; } .u0f815a8d48d1b39c895446dcfaa76c22 .clearfix:after { content: ""; display: table; clear: both; } .u0f815a8d48d1b39c895446dcfaa76c22 { display: block; transition: background-color 250ms; webkit-transition: background-color 250ms; width: 100%; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #95A5A6; } .u0f815a8d48d1b39c895446dcfaa76c22:active , .u0f815a8d48d1b39c895446dcfaa76c22:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #2C3E50; } .u0f815a8d48d1b39c895446dcfaa76c22 .centered-text-area { width: 100%; position: relative ; } .u0f815a8d48d1b39c895446dcfaa76c22 .ctaText { border-bottom: 0 solid #fff; color: #2980B9; font-size: 16px; font-weight: bold; margin: 0; padding: 0; text-decoration: underline; } .u0f815a8d48d1b39c895446dcfaa76c22 .postTitle { color: #FFFFFF; font-size: 16px; font-weight: 600; margin: 0; padding: 0; width: 100%; } .u0f815a8d48d1b39c895446dcfaa76c22 .ctaButton { background-color: #7F8C8D!important; color: #2980B9; border: none; border-radius: 3px; box-shadow: none; font-size: 14px; font-weight: bold; line-height: 26px; moz-border-radius: 3px; text-align: center; text-decoration: none; text-shadow: none; width: 80px; min-height: 80px; background: url(https://artscolumbia.org/wp-content/plugins/intelly-related-posts/assets/images/simple-arrow.png)no-repeat; position: absolute; right: 0; top: 0; } .u0f815a8d48d1b39c895446dcfaa76c22:hover .ctaButton { background-color: #34495E!important; } .u0f815a8d48d1b39c895446dcfaa76c22 .centered-text { display: table; height: 80px; padding-left : 18px; top: 0; } .u0f815a8d48d1b39c895446dcfaa76c22 .u0f815a8d48d1b39c895446dcfaa76c22-content { display: table-cell; margin: 0; padding: 0; padding-right: 108px; position: relative; vertical-align: middle; width: 100%; } .u0f815a8d48d1b39c895446dcfaa76c22:after { content: ""; display: block; clear: both; } READ: SWOT analysis of Adith Health Services EssayBook Reports

Dynamic Instructional Design (DID) Model

Table of Contents Step 1: Know the Learners Step 2: State Learning Outcomes Step 3: Establish the Learning Environment Step 4: Identify Teaching and Learning Strategies Step 5: Identifies and Select Technologies Step 6: Plan a Summative Evaluation References The dynamic instructional design model, abbreviated as DID, is the study that is predominantly based on matters based on improved technology that moves around in designing and focusing on the establishment of an appropriate and effective studying environment for all the students.Advertising We will write a custom research paper sample on Dynamic Instructional Design (DID) Model specifically for you for only $16.05 $11/page Learn More The model is mainly centered among learners; it consists of special procedures like identification of learning styles among students by creating a welcoming learning environment. In each stage of this study there is a stage that regards Dynamic Instructional Design ( DID). This will for sure improve the rapidity and intensity of the lessons so that it can reach learners effectively. Unlike other methods of teaching, the use of technology has become the most essential and fastest way of taking lessons in the class (Puckett, 2004). The Dynamic Instructional Design model can be carried out effectively when the below steps are put into consideration (Cox, 2000). Step 1: Know the Learners As a matter of fact, the very fast step in teaching involves knowing the various characteristics among the students. If this is done then it shall become easy for the students to learn and benefit having been taught from class. The following are the characteristics that should be put into consideration; the students’ development period, language and cultural backgrounds, the information pertaining the knowledge and skills they already have, personal characters among learners, for example, intelligence, styles on how to study and lastly cognitive styles, knowi ng also the similarities and differences in regard to the students’ view on the design of instruction. When all these are put into consideration, it becomes very easy to know all that is required when it comes to matters pertaining the designing of your instruction. This step is important and is worth being given a great priority (Cox, 2000). Step 2: State Learning Outcomes Outcomes are the students’ opinions that come as a result of instruction, for example, the ability of what the students are able to do at the end of scheduled lessons. For example, the students should be capable to distinguish what a verb and a subject is in a particular sentence. The students are required to obtain the necessary knowledge, they should be able to understand and apply what has been learnt in the class. In addition, they should be able to analyze, synthesize, and evaluate a number of things taught in class (Edmundson, 2006).Advertising Looking for research paper on education? Let 's see if we can help you! Get your first paper with 15% OFF Learn More Step 3: Establish the Learning Environment Every learning institution should have a conducive environment, for example, the physical and educational part of teaching. This involves the seating order or arrangement, welcoming competition, appropriate physical environment, all these involve an environment where people can learn without hardship. In the classroom, there should be a mutual cooperation among the learners. Students on a similar note should be able to take some risks willingly without being forced by either the teacher or the concerned parent (Edmundson, 2006). Step 4: Identify Teaching and Learning Strategies Learning and teaching strategies are the appropriate methods a teacher will use in order to help the learners achieve an outcome that suits their learning process. A teacher should be capable to carry out a number of methods and activities to obtain an appropriate outcome from the studen ts (Cox, 2000). Step 5: Identifies and Select Technologies Instructional technologies are the specific instruments that are used to maintain the learning strategies put up by the teacher. In this particular footstep, one needs to select the necessary technological tool that is effective when it comes to learning strategies. In deed, one must decide on how and when to use the available technologies. Some of these technological improvements and tools include; the use of multimedia CD, radio, videos and so on (Puckett, 2004). Step 6: Plan a Summative Evaluation Summative evaluation is the last step that is effective when it comes to designing and evaluating measures related to learning. There should be chances to allow room for revision in order to improve the design. In fact, this can be achieved through self-evaluation on the effectiveness of your lesson; this on the same note can be achieved by giving the students a questionnaire to fill up so that the teacher can know the views of the students. However, if the students have not performed well, then it means that the teacher must start again the earlier steps used in designing. In summation, the results obtained from students can be used to know whether the students have understood what is required of them during the lessons or not (Cox, 2000). References Cox, C. B. (2000). Empowering grandparents raising grandchildren: A training manual  for group leaders. New York: Springer Pub. Edmundson, A. (2006). Globalized e-learning, cultural challenges. Hershey, PA [u.a.]: Information Science Publ.Advertising We will write a custom research paper sample on Dynamic Instructional Design (DID) Model specifically for you for only $16.05 $11/page Learn More Puckett, R. P., Byers, B. A. (2004). Food service manual for health care institutions. San Francisco: Jossey-Bass. This research paper on Dynamic Instructional Design (DID) Model was written and submitted by user Logan Chan to help you with your own studies. You are free to use it for research and reference purposes in order to write your own paper; however, you must cite it accordingly. You can donate your paper here.

Beers Law Definition and Equation

Beer's Law Definition and Equation Beers Law is an equation that relates the attenuation of light to properties of a material. The law states the concentration of a chemical is directly proportional to the absorbance of a solution. The relation may be used to determine the concentration of a chemical species in a solution using a colorimeter or spectrophotometer. The relation is most often used in UV-visible absorption spectroscopy. Note that Beers Law is not valid at high solution concentrations. Other Names for Beers Law Beers Law is also known as the Beer-Lambert Law, the Lambert-Beer Law, and the  Beer–Lambert–Bouguer law. The reason there are so many names is because more than one law is involved. Basically, Pierre Bouger discovered the law in 1729 and published it in Essai doptique sur la gradation de la lumià ¨re. Lambert quoted Bougers discovery in his Photometria in 1760, saying absorbance of a sample is directly proportional to the path length of light. Even though Lambert didnt claim discovery, he was often credited with it. August Beer discovered a related law in 1852. Beers law stated the absorbance is proportional to the concentration of the sample. Technically, Beers law relates to only to concentration, while the Beer-Lambert law relates absorbance to both concentration and sample thickness. Key Takeaways: Beer's Law Beers law states that the concentration of a chemical solution is directly proportional to its absorption of light.The premise is that a beam of light becomes weaker as it passes through a chemical solution. The attenuation of light occurs either as a result of distance through solution or increasing concentration.Beers law goes by many names, including the Beer-Lambert law, Lambert-Beer law, and Beer-Lambert-Bouguer law. Equation for Beers Law Beers Law may be written simply as: A ÃŽ µbc where  A is absorbance (no units)ÃŽ µ is the molar absorptivity with units of L mol-1  cm-1 (formerly called the extinction coefficient)b is the path length of the sample, usually expressed in cmc is the concentration of the compound in solution, expressed in mol L-1 Calculating the absorbance of a sample using the equation depends on two assumptions: The absorbance is directly proportional to the path length of the sample (the width of the cuvette).The absorbance is directly proportional to the concentration of the sample. In this example of the Beer-Lambert law, a green laser is attenuated as it passes through a solution of Rhodamine 6G. Amirber How to Use Beers Law While many modern instruments perform Beers law calculations by simply comparing a blank cuvette with a sample, its easy to prepare a graph using standard solutions to determine the concentration of a specimen. The graphing method assumes a straight-line relationship between absorbance and concentration, which is valid for dilute solutions.   Beers Law Example Calculation A sample is known to have a maximum absorbance value of 275 nm. Its molar absorptivity is 8400 M-1cm-1. The width of the cuvette is 1 cm. A spectrophotometer finds A 0.70. What is the concentration of the sample? To solve the problem, use Beers law: A ÃŽ µbc 0.70 (8400 M-1cm-1)(1 cm)(c) Divide both sides of the equation by [(8400 M-1 cm-1)(1 cm)] c 8.33 x 10-5 mol/L Importance of Beers Law Beers law is especially important in the fields of chemistry, physics, and meteorology. Beers law is used in chemistry to measure the concentration of chemical solutions, to analyze oxidation, and to measure polymer degradation. The law also describes the attenuation of radiation through the Earths atmosphere. While normally applied to light, the law also helps scientists understand the attenuation of particle beams, such as neutrons. In theoretical physics, the Beer-Lambert law is a solution to the Bhatnagar-Gross-Krook (BKG) operator, which is used in the Boltzmann equation for computational fluid dynamics. Sources Beer, August (1852). Bestimmung der Absorption des rothen Lichts in farbigen Flà ¼ssigkeiten (Determination of the absorption of red light in colored liquids). Annalen der Physik und Chemie. 86: 78–88.Bouguer, Pierre (1729). Essai doptique sur la gradation de la lumià ¨re. Paris, France: Claude Jombert. pp. 16–22.Ingle, J. D. J.; Crouch, S. R. (1988). Spectrochemical Analysis. New Jersey: Prentice Hall.Lambert, J. H. (1760). Photometria sive de mensura et gradibus luminis, colorum et umbrae [Photometry, or, On the measure and gradations of light, colors, and shade]. Augsburg (Augusta Vindelicorum), Germany: Eberhardt Klett.Mayerhà ¶fer, Thomas Gà ¼nter; Popp, Jà ¼rgen (2018). Beers law - why absorbance depends (almost) linearly on concentration. Chemphyschem. doi:10.1002/cphc.201801073