Question 1

The main advantage of a hybrid design is that you can make cause-effect statements about variables that have not been randomly assigned.

Accepted Answer

A) True 
 B)False

Question 2

Significant interactions usually

Accepted Answer

A)  decrease the chances of finding significant main effects 
B)  limit the generalizations scientists can make 
C)  allow straightforward interpretations of main effects 
D)  a and c 
A)  decrease the chances of finding significant main effects 
B)  limit the generalizations scientists can make 
C)  allow straightforward interpretations of main effects 
D)  a and c

Question 3

In the 2 X 2 factorial experiment, our primary goal is to

Accepted Answer

A)  examine the four simple main effects. 
B)  examine the two overall main effects. 
C)  examine two main effects and the interaction. 
D)  examine the four overall main effects. 
A)  examine the four simple main effects. 
B)  examine the two overall main effects. 
C)  examine two main effects and the interaction. 
D)  examine the four overall main effects.

Question 4

Give an example of how a simple experiment could be expanded to a 2 X 2 design that included a potential moderating factor.

Accepted Answer

A simple experiment could be expanded to

Question 5

If a treatment has more of an effect on one group than on another, you have a ordinal interaction.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following statements is an example of aninteraction?

Accepted Answer

A)  The size of the effect of one variable changes at different levels of another variable. 
B)  In the low stress conditions, the caffeine group remembers more words than the no-caffeine group, but in the high stress conditions, the caffeine group remembers fewer words than the no-caffeine group. 
C)  The effect of variable X on variable Y depends on whether condition Z is present or absent. 
D)  all of the above 
A)  The size of the effect of one variable changes at different levels of another variable. 
B)  In the low stress conditions, the caffeine group remembers more words than the no-caffeine group, but in the high stress conditions, the caffeine group remembers fewer words than the no-caffeine group. 
C)  The effect of variable X on variable Y depends on whether condition Z is present or absent. 
D)  all of the above

Question 7

Accepted Answer

A)  a main effect for A 
B)  a main effect for B 
C)  main effects for A and B 
D)  an interaction and a main effect for B 
A)  a main effect for A 
B)  a main effect for B 
C)  main effects for A and B 
D)  an interaction and a main effect for B

Question 8

In which of the following situations would the researcher be most likely to hope for a statistically significant interaction?

Accepted Answer

A)  a factorial experiment in which the second factor is a replication factor 
B)  a factorial experiment where the second factor is which member of the research team served as experimenter 
C)  a moderating factor study 
D)  both a and b 
A)  a factorial experiment in which the second factor is a replication factor 
B)  a factorial experiment where the second factor is which member of the research team served as experimenter 
C)  a moderating factor study 
D)  both a and b

Question 9

With a 2 X 2 factorial experiment, you can

Accepted Answer

A)  get at least as much information as you would from doing four simple experiments 
B)  estimate the overall main effects of two variables 
C)  determine whether certain combinations of your two variables produce an effect that is different from the sum of their two individual effects 
D)  all of the above 
A)  get at least as much information as you would from doing four simple experiments 
B)  estimate the overall main effects of two variables 
C)  determine whether certain combinations of your two variables produce an effect that is different from the sum of their two individual effects 
D)  all of the above

Question 10

With a 3 X 2 factorial experiment, you would have ____ groups.

Accepted Answer

A)  2 
B)  3 
C)  5 
D)  6 
A)  2 
B)  3 
C)  5 
D)  6

Question 11

Give an example of how a simple experiment could be expanded to a 2 X 2 design that included a replication factor. What would be the advantage of including this factor?

Accepted Answer

A simple experiment could be expanded to

Question 12

Interactions

Accepted Answer

A)  involve moderating factors 
B)  are not of interest to applied psychologists 
C)  both a and b 
D)  neither a nor b 
A)  involve moderating factors 
B)  are not of interest to applied psychologists 
C)  both a and b 
D)  neither a nor b

The main advantage of a hybrid design is that you can make cause-effect statements about variables that have not been randomly assigned.

Significant interactions usually

In the 2 X 2 factorial experiment, our primary goal is to

Give an example of how a simple experiment could be expanded to a 2 X 2 design that included a potential moderating factor.

If a treatment has more of an effect on one group than on another, you have a ordinal interaction.

Which of the following statements is an example of aninteraction?

In which of the following situations would the researcher be most likely to hope for a statistically significant interaction?

With a 2 X 2 factorial experiment, you can

With a 3 X 2 factorial experiment, you would have ____ groups.

Give an example of how a simple experiment could be expanded to a 2 X 2 design that included a replication factor. What would be the advantage of including this factor?

Interactions

Psychology, Science, and You

Ethics and Validity

Generating Research Hypotheses

Reading and Evaluating Research

Measuring and Manipulating Variables: Reliability and Validity

Choosing the Best Measure for Your Study

Introduction to Descriptive Methods

Survey Research

Internal Validity

The Simple Experiment

Expanding the Simple Experiment: The Multiple Group Experiment

Within-Subjects Designs

Single-N Experiments and Quasi-Experiments

Writing Research Proposals and Reports

Appendix E: Using Theory to Generate Research Hypotheses

Filters

Exam 12: Expanding the Simple Experiment: Factorial Designs

The main advantage of a hybrid design is that you can make cause-effect statements about variables that have not been randomly assigned.

Significant interactions usually

In the 2 X 2 factorial experiment, our primary goal is to

Give an example of how a simple experiment could be expanded to a 2 X 2 design that included a potential moderating factor.

If a treatment has more of an effect on one group than on another, you have a ordinal interaction.

Which of the following statements is an example of aninteraction?

In which of the following situations would the researcher be most likely to hope for a statistically significant interaction?

With a 2 X 2 factorial experiment, you can

With a 3 X 2 factorial experiment, you would have ____ groups.

Give an example of how a simple experiment could be expanded to a 2 X 2 design that included a replication factor. What would be the advantage of including this factor?

Interactions

Psychology, Science, and You

Ethics and Validity

Generating Research Hypotheses

Reading and Evaluating Research

Measuring and Manipulating Variables: Reliability and Validity

Choosing the Best Measure for Your Study

Introduction to Descriptive Methods

Survey Research

Internal Validity

The Simple Experiment

Expanding the Simple Experiment: The Multiple Group Experiment

Within-Subjects Designs

Single-N Experiments and Quasi-Experiments

Writing Research Proposals and Reports

Appendix E: Using Theory to Generate Research Hypotheses

Filters