A researcher has conducted a moderated multiple regression analysis and finds f2 of .16. Based on Cohen's guidelines, what is the interpretation of the effect?

A) Small B) Moderate C) Large D) None of the above A) Small B) Moderate C) Large D) None of the above B

A researcher has conducted a moderated multiple regression analysis and finds f2 of .03. Based on Cohen's guidelines, what is the interpretation of the effect?

A) Small B) Moderate C) Large D) None of the above A) Small B) Moderate C) Large D) None of the above

Exam 20: Mediation and Moderation

A researcher conducts a simple mediated regression to determine the extent to which reading performance mediates the relationship between time spent on homework and science performance. The researcher finds the following results. Interpret the partially standardized total effect and partially standardized direct effect. TOTAL, DIRECT, AND INDIRECT EFFECTS OF X ON Y Total effect of on Y Effect se (4) LLCI ULCI c\_ps c\_cs .0212 .0304 .6971 .4859 -.0385 .0809 .0018 .0225 Total effect of on Y Effect se (4) t p LLCI ULCI \_ ps \_cs .0008 .0248 .0311 .9752 -.0479 .0494 .0001 .0008

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Question 1

Correct Answer:

Verified

The partially standardized total effect suggests that two cases that differ by one unit on homework (X) will differ by about .0018 standard deviation on science (Y) as a result of the combined direct and indirect effects by which homework affects science.

The partially standardized direct effect suggests that, independent of the mediating effect of reading, a student that is one unit higher on homework will be about .0001 standard deviations different on science.

A researcher has conducted a moderated multiple regression analysis and finds f²of .16. Based on Cohen's guidelines, what is the interpretation of the effect?

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(Multiple Choice)

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Question 2

Correct Answer:

Verified

B

Which one of the following is needed to determine whether the relationship between the independent and dependent variables systematically varies as a function of the moderator?

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Question 3

Correct Answer:

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C

The underlying framework for mediation is to understand which one of the following:

(Multiple Choice)

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Question 4

Which one of the following is NOT an effect size that is recommended to avoid in reporting mediation results?

(Multiple Choice)

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Question 5

Moderation occurs in which of the following situations?

(Multiple Choice)

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Question 6

In a moderated regression model, the interaction term reflects which one of the following?

(Multiple Choice)

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Question 7

A researcher conducts a moderated regression with W as the moderator. Interpret the conditional effects presented here. Conditional effects of the focal predictor at values of the moderator(s): $\text { Conditional effects of the focal predictor at values of the moderator(s): }$ W Effect se (4) t p LLCI ULCI 1.5000 .5236 .0342 15.3307 .0000 .4566 .5906 2.0000 .4373 .0269 16.2711 .0000 .3846 .4901 2.5000 .3511 .0381 9.2266 .0000 .2765 .4258

(Essay)

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Question 8

In a mediation model, a positive sign for the direct effect indicates which of the following?

(Multiple Choice)

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Question 9

The direct effect in a simple mediation model is denoted by which one of the following?

(Multiple Choice)

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Question 10

Which one of the following reflects partial mediation?

(Multiple Choice)

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Question 11

A researcher has conducted a moderated multiple regression analysis and finds f²of .03. Based on Cohen's guidelines, what is the interpretation of the effect?

(Multiple Choice)

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Question 12

A researcher conducts a moderated regression with W as the moderator. Interpret the results from probing the interaction using the Johnson-Neyman technique.

(Essay)

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Question 13

The conditional effect of the independent variable on the dependent variable when the moderating variable is zero is interpreted in which one of the following ways?

(Multiple Choice)

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Question 14

What is one of the challenges with the Johnson-Neyman approach for probing an interaction?

(Multiple Choice)

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Question 15

The assumptions for mediation are the same as which of the following procedures?

(Multiple Choice)

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Question 16

Which of the following is an interpretation of the direct effect of the independent variable on the dependent variable?

(Multiple Choice)

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Question 17

The assumptions for moderation are the same as which of the following procedures?

(Multiple Choice)

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Question 18

Which of the following is NOT an assumption for moderated multiple regression?

(Multiple Choice)

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Question 19

A researcher is examining the relationship between time on task and academic performance. The researcher believes that time on task may interact with age. Which of the following types of models would you recommend the researcher examine?

(Multiple Choice)

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Question 20

A researcher has conducted a moderated multiple regression analysis and finds f²of .16. Based on Cohen's guidelines, what is the interpretation of the effect?

Which one of the following is needed to determine whether the relationship between the independent and dependent variables systematically varies as a function of the moderator?

The underlying framework for mediation is to understand which one of the following:

Which one of the following is NOT an effect size that is recommended to avoid in reporting mediation results?

Moderation occurs in which of the following situations?

In a moderated regression model, the interaction term reflects which one of the following?

In a mediation model, a positive sign for the direct effect indicates which of the following?

The direct effect in a simple mediation model is denoted by which one of the following?

Which one of the following reflects partial mediation?

A researcher has conducted a moderated multiple regression analysis and finds f²of .03. Based on Cohen's guidelines, what is the interpretation of the effect?

A researcher conducts a moderated regression with W as the moderator. Interpret the results from probing the interaction using the Johnson-Neyman technique.

The conditional effect of the independent variable on the dependent variable when the moderating variable is zero is interpreted in which one of the following ways?

What is one of the challenges with the Johnson-Neyman approach for probing an interaction?

The assumptions for mediation are the same as which of the following procedures?

Which of the following is an interpretation of the direct effect of the independent variable on the dependent variable?

The assumptions for moderation are the same as which of the following procedures?

Which of the following is NOT an assumption for moderated multiple regression?

A researcher is examining the relationship between time on task and academic performance. The researcher believes that time on task may interact with age. Which of the following types of models would you recommend the researcher examine?

Introduction

Data Representation

Univariate Population Parameters and Sample Statistics

The Normal Distribution and Standard Scores

Introduction to Probability and Sample Statistics

Introduction to Hypothesis Testing: Inferences About a Single Mean

Inferences About the Difference Between Two Means

Inferences About Proportions

Inferences About Variances

Bivariate Measures of Association

One-Factor Anova: Fixed-Effects Mode

Multiple Comparison Procedures

Factorial Anova: Fixed-Effects Mode

One Factor Fixed-Effects Ancova With Single Covariate

Random- and Mixed-Effects Analysis of Variance Models

Hierarchical and Randomized Block Analysis of Variance Models

Simple Linear Regression

Multiple Linear Regression

Logistic Regression

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