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Example of Single-Variable Research: First Impressions
A specific example of a single-variable research question is investigating how accurate people are at forming first impressions. This type of inquiry requires a non-experimental approach because the researcher's objective is simply to measure and describe a single, isolated characteristic—the accuracy of the impressions—as it naturally occurs, rather than manipulating independent variables or exploring statistical relationships between multiple factors.
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Research Methods in Psychology - 4th American Edition @ KPU
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Example of Single-Variable Research: First Impressions
Which type of research design is required when a study is focused entirely on observing and describing a single variable without attempting to manipulate it?
A psychologist who wants to measure and describe the average number of hours per week that first-year university students spend on social media is studying a single variable. Because no relationship between two variables is being examined, a non-experimental research design is the appropriate choice for this study.
A researcher simplifies a study from 'comparing test scores between different majors' to only 'reporting the mean test score of all participants ().' The study is now classified as single-variable research because it focuses on the measurement of a ______ rather than an analysis of a statistical relationship.
A researcher proposes a study to calculate the 'mean score on a memory test' () for a group of adults and labels it an experiment. Arrange the steps you would take to evaluate this proposal and justify its classification as single-variable research.
Single-variable research is characterized by the measurement of one variable in isolation rather than the analysis of a statistical relationship between two or more variables.
Which of the following research goals best illustrates the primary indication for using a single-variable research design?
Match each research scenario to the type of research it represents based on the researcher's primary goal.
Match each psychology research scenario to the appropriate research design it exemplifies.
A researcher wants to study how accurate people's first impressions are. Because the study's research question is focused entirely on measuring a single characteristic without analyzing relationships or manipulating variables, the researcher must use a _____ design.
A student proposes a study to measure public speaking anxiety in a sample of college students. To determine whether this proposed study should be classified as single-variable research, order the steps you would take to evaluate the proposal, starting with the initial identification of the focus.
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Why does investigating how accurate people are at forming first impressions require a non-experimental research approach?
Match the components of a study on the accuracy of first impressions with the reasons it is classified as a study of a single variable.
A researcher conducts a study where participants guess a stranger's occupation after viewing a 5-second video clip. If the researcher's objective is to report only the average accuracy of these guesses without examining how they correlate with other factors like age or gender, they are applying a single-variable research design.
A psychologist is reviewing a plan to study the accuracy of first impressions. Arrange the analytical steps required to ensure the study is structured to measure and describe a single isolated characteristic rather than using an experimental or correlational design.
In the specific example of single-variable research involving first impressions, what characteristic is the researcher primarily attempting to measure and describe?
In the study of first impressions, a research project is classified as 'single-variable' only if the investigator focuses on measuring and describing a characteristic in isolation, rather than looking for statistical relationships between multiple factors.
In evaluating a study on the accuracy of first impressions, a researcher determines that the study does not require an independent variable or a control group because the objective is simply to characterize a single isolated trait. By concluding that this descriptive goal justifies a non-experimental design, the researcher is applying the principles of _____ research.
A researcher is reviewing four proposed studies. Match each study description to the category that correctly classifies it in terms of single-variable non-experimental research.
When breaking down why the first-impressions study qualifies as single-variable research, an analyst would identify that the researcher's objective is only to measure and _____ the accuracy of impressions as it naturally occurs—an objective that requires no independent variable, no control group, and no comparison of a statistical relationship between two variables.
A peer reviewer is judging whether a published study on the accuracy of first impressions should be classified as single-variable non-experimental research. Arrange the reviewer's evaluative criteria in the order that best reflects their logical priority, from the most foundational check to the final concluding judgment.
Based on the provided concept of single-variable research, define what a single-variable research question is using the example of investigating the accuracy of first impressions. Explain why this specific inquiry requires a non-experimental approach, identifying what the researcher aims to measure and what they avoid doing.
Contrast the researcher's original research plan with the colleague's suggestions. Explain how the nature of the study would change from a single-variable non-experimental design to a multi-variable design if she adopts the colleague's suggestions, and identify the single characteristic the original plan intends to describe.
A researcher is designing a study to measure the average level of optimism in college freshmen during their first week. Apply your knowledge of single-variable research to justify why this study should be classified as a single-variable non-experimental study rather than an experimental one.