1936 Literary Digest Straw Poll
The 1936 Literary Digest straw poll was a survey conducted to predict the outcome of the presidential election between Alf Landon and Franklin Roosevelt. The magazine attempted to forecast the results by sending ballots, which were also subscription requests, to millions of Americans. Based on this method, the editors incorrectly predicted that Landon would win in a landslide.
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Research Methods in Psychology - 4th American Edition @ KPU
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Example: Selection Bias in Case-Control Studies
Another example of selection bias in Case-control Studies
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Non-response Bias
1936 Literary Digest Straw Poll
What type of systematic error occurs when the method used to select participants results in a sample that fails to accurately represent the broader target population?
A researcher wants to study stress levels among all undergraduate students at a university. She collects her data by distributing surveys exclusively to students who visit the campus counseling center. Because every person surveyed is a real undergraduate student at the university, this method produces a sample that accurately represents the broader undergraduate population.
A research team is designing several psychology studies. Match each intended target population with the sampling method that would most likely introduce sampling bias by systematically excluding important segments of that group.
A researcher intends to study the average stress levels of all employees at a large corporation but decides to recruit participants only from the company’s voluntary 'Stress Management and Yoga' workshop. Arrange the steps below to analyze the logical sequence of how this specific selection method results in a failure to accurately represent the broader population.
A researcher is developing a study to measure the average physical activity levels of all senior citizens (aged ) living in a large city. To create a sampling plan that effectively minimizes sampling bias and ensures the results can be generalized to the entire elderly population, which of the following procedures should the researcher implement?
A researcher claims that a new mindfulness intervention is effective for 'all university students' based on a study that only recruited participants from highly competitive 'Advanced Statistics' courses. When evaluating the validity of the researcher's generalization to the entire student body, a critic would argue that the conclusion is flawed because the selection method introduced _____.
A systematic error that occurs when the method used to select participants results in a sample that fails to accurately represent the broader target population is known as _____ bias.
A developmental psychologist wants to study the sharing behavior of all three-year-old children in a city. She collects her data by observing children who attend an expensive private daycare. If these children differ in important socioeconomic ways from the overall population of three-year-olds in the city, this selection method introduces sampling bias, meaning the findings cannot be safely generalized.
A researcher aims to study the average sleep quality of all university students but only surveys students leaving the campus library at midnight. Analyze this research scenario by matching each component of the study with its role in the context of sampling bias.
Evaluate the threat of sampling bias on a study's generalizability by ordering the steps a researcher must take to determine if their findings can be safely generalized.
Stratified Random Sampling
Simple Random Sampling
1936 Literary Digest Straw Poll
Which of the following provides the best definition of a sampling frame?
A researcher is planning several different studies. Match each group of interest with the specific source list that would serve as the most appropriate sampling frame for selecting participants.
A researcher discovers that their sampling frame—a list of residential landline phone numbers—excludes approximately 25% of the local community who only use cell phones. If the researcher increases their random sample size from 400 to 800 people using this same list, they will effectively eliminate the bias introduced by the incomplete list.
A researcher is designing a study to evaluate the job satisfaction of all licensed clinical psychologists currently practicing in a specific state. To ensure the study uses a random selection process where every professional in that group has a chance of being included, the researcher must identify an appropriate sampling frame. Rank the following potential sources from the most representative sampling frame (1) to the least representative sampling frame (4).
Establishing an accurate sampling frame is a necessary prerequisite for conducting most forms of probability sampling.
Which of the following best describes the functional role of a sampling frame in the research process?
When a researcher uses a local hospital's patient admission records to select participants for a clinical study, that comprehensive list serves as the _____.
A researcher is planning studies for different target populations. Match each specified population with the most appropriate source list to establish its sampling frame.
A researcher is unable to obtain a comprehensive list of all members of their target population. Because establishing an accurate sampling frame is a necessary prerequisite for conducting most forms of _____, they cannot use random selection techniques.
Order the steps a researcher must take to implement a probability sampling design, starting from the initial conceptual stage to the selection of respondents.
Early Applications of Survey Research in Psychology
Straw Poll
1936 Literary Digest Straw Poll
What crucial methodological advancement was directly spurred by the need to draw accurate inferences about the entire population from nationwide government surveys in the 1930s?
Early 20th-century English and American social surveys were primarily designed to develop and test new sampling techniques for representing entire populations.
You are organizing a historical timeline for a psychology textbook. Match each historical period or methodological requirement to the specific survey research milestone it produced.
Analyze the historical evolution of survey research by ordering the following developments according to how the increasing scale of inquiry necessitated methodological innovation.
Imagine you are an advisor tasked with constructing a nationwide research framework for the United States government in the s. Your goal is to move beyond the turn-of-the-century practice of simply documenting localized social issues to a system that accurately assesses conditions across the entire country. Which methodological component must you integrate into your design to justify making broad claims about the national population without surveying every citizen?
The methodological roots of survey research trace back to English and American social surveys at the turn of the th century, which were designed to systematically document widespread social issues such as _____.
When evaluating the methodological transition of the s, researchers determined that simple descriptive documentation was insufficient for nationwide study; instead, they required a methodology that could produce accurate _____ about the entire population, which led to the development of sophisticated sampling.
If a psychologist in the s is tasked by the United States government to assess nationwide social conditions, they can rely solely on the documentation methods of turn-of-the-th-century English and American social surveys to draw accurate inferences about the entire population.
Match each historical milestone or methodological demand in the evolution of survey research to its corresponding historical focus or outcome.
Order the stages in the historical evolution of survey research from the earliest focus on descriptive local issues to the evaluation-driven need for population-level generalizability.
1936 Literary Digest Straw Poll
During the 1936 presidential election, the Literary Digest distributed ballots to millions of Americans in an attempt to predict the election's outcome. This is a historical example of which type of survey?
Because it involves distributing ballots or questionnaires to gather data on opinions or to predict outcomes, a straw poll is classified as a type of survey rather than a controlled experiment.
A psychology researcher wants to quickly gauge student support for a new campus mental health initiative. Match each methodological component of their study with the research term that best describes it.
To analyze why a straw poll—such as the 1936 Literary Digest poll—can produce a biased prediction, arrange the following events in the logical order of a flawed research process.
You are tasked with creating a survey to quickly gauge student sentiment regarding a proposed increase in campus parking fees before a meeting this afternoon. Which of the following survey designs would you construct to specifically implement a straw poll?
During the 1936 presidential election, the Literary Digest conducted a straw poll by distributing ballots that also functioned as _____ requests to millions of Americans.
When evaluating the scientific validity of the 1936 Literary Digest straw poll, a researcher would conclude that the methodology was flawed because distributing ballots as subscription requests failed to achieve _____ of the entire population.
Learn After
George Gallup's 1936 Election Prediction
Match each element of the 1936 Literary Digest straw poll with its correct description.
Why was the 1936 Literary Digest poll unable to accurately predict the presidential election outcome despite having a massive sample of over two million people?
If a modern researcher attempts to predict a national election outcome by only surveying individuals found on a magazine's subscriber list, they are repeating the same methodological error that led the 1936 Literary Digest poll to incorrectly forecast an Alf Landon victory.
Analyze the logical chain of events that led to the 1936 Literary Digest poll's failure. Arrange the following methodological steps in the order they occurred to demonstrate how the initial design choice resulted in a final incorrect prediction.
Based on their straw poll, which candidate did the editors of the Literary Digest incorrectly predict would win the U.S. presidential election in a landslide?
The primary reason the Literary Digest straw poll failed to predict the presidential election outcome was that the magazine received too few completed ballots to constitute a statistically useful sample size.
The 1936 Literary Digest straw poll illustrates several key sampling concepts. Match each feature of the poll to the methodological problem it best represents.
Analyzing the failure of the 1936 Literary Digest poll reveals that the root cause was not the number of ballots collected, but the composition of the _____, which systematically excluded lower-income Americans by drawing contacts from telephone directories and automobile owner registrations.
Suppose a student wants to judge whether a newly released national poll has the same critical flaw as the 1936 Literary Digest straw poll. Arrange the following evaluative steps in the most logical order to arrive at a defensible verdict about the poll's validity.
When evaluating the failure of the Literary Digest poll, researchers must conclude that the results were invalid because the editors incorrectly assumed that a high quantity of responses could compensate for a lack of sample _____.
Describe the basic methodology of the 1936 Literary Digest straw poll. Specifically, state who the two presidential candidates were, how the survey was distributed to Americans, and what prediction the editors made based on their findings.
Diagnose the methodological flaw in the Literary Digest's sampling frame. Explain how the choice of databases for the mailing lists introduced sampling bias and why this led to an incorrect prediction of the election's outcome.
A modern researcher is planning a survey to estimate community support for a new public transit initiative. Applying the lessons of the 1936 Literary Digest straw poll, why would drawing a sample solely from a list of local homeowners be problematic, and how should they design their sampling frame instead?