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Simple Regression
Simple regression is a statistical technique that involves using exactly one predictor variable to predict the value of a single outcome variable.
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Research Methods in Psychology - 4th American Edition @ KPU
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Simple Regression
Multiple Regression
In regression analysis, what term is used to describe the variable that is being predicted by the model?
A clinical researcher uses regression analysis to investigate whether a patient's average hours of sleep per night can predict their subsequent score on a depression scale. Match each component of this study with its role in the regression model.
A researcher uses regression analysis to predict 'life satisfaction' based on 'social connectedness.' In this model, 'life satisfaction' is the criterion variable. If the researcher reverses the model to use 'life satisfaction' to predict 'social connectedness,' 'life satisfaction' remains the criterion variable because it represents the ultimate psychological outcome of the interaction.
A researcher is evaluating a peer's study designed to predict 'Academic Resilience' based on 'Level of Social Support'. To evaluate whether 'Academic Resilience' is appropriately categorized as the outcome (criterion) variable, arrange the following steps in the correct logical sequence of evaluation.
Suppose you are designing a two-stage research project to investigate the factors influencing educational success. In Stage 1, you construct a regression model to predict a child's 'Academic Readiness' () based on their 'Parental Income' (). In Stage 2, you expand this design to use that same 'Academic Readiness' () to predict the child's likelihood of 'High School Graduation' (). To correctly construct these models within your research plan, how must the role of be designated in each stage?
In regression analysis, the criterion variable is the variable that is being predicted by the model.
A psychologist uses a regression model to estimate an individual's level of social anxiety based on their score on a personality test. In this model, the level of social anxiety is the _____ variable.
A developmental psychologist wants to design a regression analysis to determine if the number of hours children spend reading per week can predict their vocabulary size. Match the components of this research study to their appropriate roles.
A researcher is conducting a study using regression analysis to examine how levels of daily stress predict sleep quality. If the researcher decides to restructure the model to investigate whether sleep quality instead predicts daily stress levels, the variable 'daily stress' shifts from being the outcome variable (or criterion variable) to being the _____ variable.
A research evaluator is reviewing a proposed regression study that intends to predict a participant's 'cognitive fatigue' based on their 'screentime hours'. Order the evaluator's steps to verify and justify whether 'cognitive fatigue' is correctly designated as the outcome (criterion) variable rather than the predictor variable in this model.
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Simple Regression Formula
Example of Simple Regression: IQ and GPA
What is the defining characteristic of simple regression?
A psychologist investigates whether 'the number of hours spent in therapy' can predict 'the level of depression symptoms' in patients. Match each element of this research study to its correct role in a simple regression analysis.
A researcher aims to predict a participant's 'Level of Stress' using two different factors: 'Daily Caffeine Consumption' and 'Total Hours of Sleep.' If the researcher includes both factors in a single statistical model to predict stress, this is an example of a simple regression analysis.
A psychologist is conducting a study to see if 'Daily Stress Levels' can predict 'Sleep Quality' using simple regression. Sequence the following steps to reflect the logical flow of this statistical technique, from the initial structural setup to the final predictive application.
Match each term associated with simple regression to its correct functional definition.
In psychological research, which of the following best describes the functional purpose of a simple regression analysis?
A peer reviewer flags a study predicting 'Aggressive Behavior' () from both 'Ambient Temperature' () and 'Noise Level' () as incorrectly labeled 'simple regression.' For the label to be accurate, the model would need to use exactly _____ predictor variable(s).
A cognitive psychologist wants to predict a participant's score on a memory recall task based on the number of hours of sleep they had the night before. If the psychologist conducts a simple regression, the participant's score on the memory recall task serves as the single predictor variable.
A social psychologist is analyzing how the size of a group affects the conformity level of a participant. If the researcher uses simple regression to model this relationship, they must treat group size as the single _____ variable, which will be used to predict the conformity level (the outcome variable).
A peer reviewer is evaluating a research manuscript to check if the author's analysis is correctly classified as a 'simple regression'. Sequence the steps the reviewer should take to evaluate the study's statistical classification, from the initial variable identification to the final classification decision.