Question 1

An interaction occurs when an independent variable has a different effect when a second variable is present than when the second variable is absent.

Accepted Answer

A) True 
 B)False

Question 2

To estimate the interaction in a 2 X 2 factorial experiment,you

Accepted Answer

A)   add the variable's simple main effects
B)   subtract the overall main effects
C)   average the variable's simple main effects
D)   subtract the variable's simple main effects

Question 3

Accepted Answer

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

Question 4

One simple main effect for caffeine is much less thanthe other simple main effect for caffeine. Your best guessis that

Accepted Answer

A)   you have a main effect for caffeine
B)   you do not have a main effect for caffeine
C)   you have an interaction between caffeine and some other variable
D)   you do not have an interaction between caffeine and some other variable C

Question 5

A crossover interaction may indicate that a treatment has the opposite effect on two groups.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is true?

Accepted Answer

A)   with an ordinal interaction, there may not really be an interaction at the psychological level.
B)   some interactions may represent, at a conceptual level, the main effect of similarity
C)   both a and b
D)   neither a nor b

Question 7

A significant interaction usually indicates that the treatment effect is not the same in all conditions.

Accepted Answer

A) True 
 B)False

Question 8

Accepted Answer

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

Question 9

The numbers (i.e., 2 x 6)  included when identifyingfactorial designs stand for

Accepted Answer

A)   the number of IVs involved
B)   the number of DVs involved
C)   the number of levels of each IV
D)   the number of levels of a DV

Question 10

Given that the null hypothesis for interaction has beenrejected, the corresponding graph of this interactionshould contain two or more __________ lines.

Accepted Answer

A)   straight
B)   dissimilar
C)   nonparallel
D)   intersecting

Question 11

In a graph of experimental results, the presence of aninteraction is indicated by

Accepted Answer

A)   some points being higher than others
B)   one line that is higher than another
C)   two lines that are not parallel to the x axis
D)   two lines that are not parallel to each other

Question 12

All of the following are true EXCEPT

Accepted Answer

A)   Interactions qualify main effects.
B)   Interactions are rare.
C)   Interactions may limit the generalizability of a treatment's effect.
D)   Interactions may require us to change a simple rule into a more complex rule.

Question 13

If, in a 2 X 2 experiment, you know that main effectsexist for both factors, then you know

Accepted Answer

A)   that an interaction is definitely present
B)   that an interaction probably is present
C)   that an interaction probably isn't present
D)   nothing whatsoever about the interaction D

Question 14

The simplest factorial experiment is the 1 X 1 experiment.

Accepted Answer

A) True 
 B)False

Question 15

Factorial experiments permit you to look at the effects of more than one independent variable at a time.

Accepted Answer

A) True 
 B)False

Question 16

If the lines in a graph cross, this indicates

Accepted Answer

A)   two main effects and an interaction
B)   two main effects and no interaction
C)   an ordinal interaction
D)   a disordinal interaction D

Question 17

Give an example of how the variable of similarity could be represented by an interaction between two variables.

Accepted Answer

The variable of similarity could be repr...

Question 18

The easiest way to visualize an interaction is to graph the data.

Accepted Answer

A) True 
 B)False

Question 19

If there is a caffeine and exercise interaction, which of thefollowing is not necessarily correct

Accepted Answer

A)   there are main effects for both caffeine and exercise
B)   the effect of caffeine depends on the level of exercise
C)   the effect of exercise depends on the level of caffeine
D)   the simple main effect of exercise in one caffeine condition is different from the simple main effect of exercise in the other caffeine condition

Question 20

A researcher is using 60 participants in a 2 (levels of exercise)  X 2 (levels of caffeine)  between subjects factorial experiment. The degrees of freedom for the exercise main effect is

Accepted Answer

A)   1
B)   2
C)   4
D)   240

Exam 12: Expanding the Simple Experiment: Factorial Designs

An interaction occurs when an independent variable has a different effect when a second variable is present than when the second variable is absent.

Correct Answer
verified

To estimate the interaction in a 2 X 2 factorial experiment,you

Correct Answer
verified

Correct Answer
verified

One simple main effect for caffeine is much less thanthe other simple main effect for caffeine. Your best guessis that

Correct Answer
verified
C

A crossover interaction may indicate that a treatment has the opposite effect on two groups.

Correct Answer
verified

Which of the following is true?

Correct Answer
verified

A significant interaction usually indicates that the treatment effect is not the same in all conditions.

Correct Answer
verified

Correct Answer
verified

The numbers (i.e., 2 x 6) included when identifyingfactorial designs stand for

Correct Answer
verified

Given that the null hypothesis for interaction has beenrejected, the corresponding graph of this interactionshould contain two or more __________ lines.

Correct Answer
verified

In a graph of experimental results, the presence of aninteraction is indicated by

Correct Answer
verified

All of the following are true EXCEPT

Correct Answer
verified

If, in a 2 X 2 experiment, you know that main effectsexist for both factors, then you know

Correct Answer
verified
D

The simplest factorial experiment is the 1 X 1 experiment.

Correct Answer
verified

Factorial experiments permit you to look at the effects of more than one independent variable at a time.

Correct Answer
verified

If the lines in a graph cross, this indicates

Correct Answer
verified
D

Give an example of how the variable of similarity could be represented by an interaction between two variables.

Correct Answer
Answered by ExamLex AI
The variable of similarity could be repr...
View Answer

The easiest way to visualize an interaction is to graph the data.

Correct Answer
verified

If there is a caffeine and exercise interaction, which of thefollowing is not necessarily correct

Correct Answer
verified

A researcher is using 60 participants in a 2 (levels of exercise) X 2 (levels of caffeine) between subjects factorial experiment. The degrees of freedom for the exercise main effect is

Correct Answer
verified

Exam 12: Expanding the Simple Experiment: Factorial Designs

An interaction occurs when an independent variable has a different effect when a second variable is present than when the second variable is absent.

Correct AnswerverifiedShow Answer

To estimate the interaction in a 2 X 2 factorial experiment,you

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

One simple main effect for caffeine is much less thanthe other simple main effect for caffeine. Your best guessis that

Correct AnswerverifiedC

A crossover interaction may indicate that a treatment has the opposite effect on two groups.

Correct AnswerverifiedShow Answer

Which of the following is true?

Correct AnswerverifiedShow Answer

A significant interaction usually indicates that the treatment effect is not the same in all conditions.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The numbers (i.e., 2 x 6) included when identifyingfactorial designs stand for

Correct AnswerverifiedShow Answer

Given that the null hypothesis for interaction has beenrejected, the corresponding graph of this interactionshould contain two or more __________ lines.

Correct AnswerverifiedShow Answer

In a graph of experimental results, the presence of aninteraction is indicated by

Correct AnswerverifiedShow Answer

All of the following are true EXCEPT

Correct AnswerverifiedShow Answer

If, in a 2 X 2 experiment, you know that main effectsexist for both factors, then you know

Correct AnswerverifiedD

The simplest factorial experiment is the 1 X 1 experiment.

Correct AnswerverifiedShow Answer

Factorial experiments permit you to look at the effects of more than one independent variable at a time.

Correct AnswerverifiedShow Answer

If the lines in a graph cross, this indicates

Correct AnswerverifiedD

Give an example of how the variable of similarity could be represented by an interaction between two variables.

Correct AnswerAnswered by ExamLex AIThe variable of similarity could be repr...View AnswerShow Answer

The easiest way to visualize an interaction is to graph the data.

Correct AnswerverifiedShow Answer

If there is a caffeine and exercise interaction, which of thefollowing is not necessarily correct

Correct AnswerverifiedShow Answer

A researcher is using 60 participants in a 2 (levels of exercise) X 2 (levels of caffeine) between subjects factorial experiment. The degrees of freedom for the exercise main effect is

Correct AnswerverifiedShow Answer

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C

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D

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D

Correct Answer
Answered by ExamLex AI
The variable of similarity could be repr...
View Answer

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