Research Methods for Behavioral Sciences - With MindTap
6th Edition
ISBN: 9781337754989
Author: GRAVETTER
Publisher: CENGAGE L
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Chapter 11.2, Problem 4LO
Describe and explain the independent relationship between main effects and interactions.
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What is a main effect? an interaction?
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Explain what is meant by the concept that main effects and interactions are independent.
Chapter 11 Solutions
Research Methods for Behavioral Sciences - With MindTap
Ch. 11.1 - Define a factorial research design, including the...Ch. 11.2 - Define a main effect for one factor and an...Ch. 11.2 - Explain how the existence of an interaction can...Ch. 11.2 - Describe and explain the independent relationship...Ch. 11.3 - Explain how a factorial study can combine...Ch. 11.3 - Identify the statistical analyses that are...Ch. 11.4 - Describe three specific applications of the...Ch. 11 - In addition to the key words, you should also be...Ch. 11 - In a classic study, Shrauger (1972) examined the...Ch. 11 - Suppose a researcher conducts a two-factor study...
Ch. 11 - The following matrix represents the results (the...Ch. 11 - The following data show the pattern of results...Ch. 11 - Explain why the main effects in a factorial study...Ch. 11 - Explain what is meant by the concept that main...Ch. 11 - In Figure 11.5, we show three combinations of main...Ch. 11 - For a two-factor research study with two levels...Ch. 11 - A researcher would like to use a factorial study...Ch. 11 - A two-factor analysis of variance is used to...Ch. 11 - A researcher has demonstrated that a new...
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- An experiment is conducted to see the effect of light intensity on plant growth, what is the dependent variable in this scenario?arrow_forwardCorrelational designs have one independent variable and one dependent variable true or false?arrow_forwardWhat does it mean when one of the two main effects is significant?arrow_forward
- Define Estimation of Dynamic Causal Effects?arrow_forwardWhen an interaction is present, is it appropriate to interpret a significant main effect as meaningful? Explain your answer.arrow_forwardAssume we have data demonstrating a strong linear link between the amount of fertilizer applied to certain plants and their yield. Which is the independent variable in this research question?arrow_forward
- What is the equation for a simple linear regression model that predicts the dependent variable Y based on a single independent variable X?arrow_forwardWhat is regression models?arrow_forwardA survey is conducted to understand the relationship between income and job satisfaction, what is the dependent variable in this scenario?arrow_forward
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