Question 1

A repeated-measures study will affect the sensitivity of the experiment.How?

Accepted Answer

A) Increase it. 
B) Decrease it. 
C) It won't affect it. 
D) It will depend upon the conditions of the test. 
A) Increase it. 
B) Decrease it. 
C) It won't affect it. 
D) It will depend upon the conditions of the test. A

Question 2

Differential transfer occurs when the effects of one condition persist and influence performance in ensuing conditions.

Accepted Answer

A) True 
 B)False  True

Question 3

The procedures followed in repeated-measures designs for testing the null hypothesis are similar to which other type of study?

Accepted Answer

A) Structured interviews 
B) Population studies 
C) Observational situations 
D) Random group designs 
A) Structured interviews 
B) Population studies 
C) Observational situations 
D) Random group designs D

Question 4

Repeated-measures studies involve smaller participant sample numbers.Why?

Accepted Answer

A) Because larger numbers are more difficult to source. 
B) Because each participant is measured numerous times,therefore it is more efficient to use smaller groups. 
C) Because researchers are lazy. 
D) None of the above. 
A) Because larger numbers are more difficult to source. 
B) Because each participant is measured numerous times,therefore it is more efficient to use smaller groups. 
C) Because researchers are lazy. 
D) None of the above.

Question 5

How do the two types of design differ?

Accepted Answer

A) In the maximization of participant numbers 
B) In the type of variance recorded 
C) In the exclusion of participant groups 
D) In the control of practice effects 
A) In the maximization of participant numbers 
B) In the type of variance recorded 
C) In the exclusion of participant groups 
D) In the control of practice effects

Question 6

Repeated-measures designs cannot be confounded by individual differences.Why not?

Accepted Answer

A) Because all human error is eliminated. 
B) Because the same participants are used throughout each condition. 
C) Because each participant is used once. 
D) Because only similar participants are used. 
A) Because all human error is eliminated. 
B) Because the same participants are used throughout each condition. 
C) Because each participant is used once. 
D) Because only similar participants are used.

Question 7

A repeated-measures study can be used to study changes in one participant's behaviour over a prolonged period of time.

Accepted Answer

A) True 
 B)False

Question 8

A repeated-measures design is one in which?

Accepted Answer

A) Multiple/repeated measurements are made on an experimental unit. 
B) Single measurements are taken on a single unit. 
C) No measurements are made at all. 
D) Measurements are devoid of errors. 
A) Multiple/repeated measurements are made on an experimental unit. 
B) Single measurements are taken on a single unit. 
C) No measurements are made at all. 
D) Measurements are devoid of errors.

Question 9

Practice effects are balanced within subjects in which type of study?

Accepted Answer

A) Incomplete repeated-measures study 
B) Complete repeated-measures study 
C) Both 
D) Neither 
A) Incomplete repeated-measures study 
B) Complete repeated-measures study 
C) Both 
D) Neither

Question 10

Repeated-measures analysis can?

Accepted Answer

A) Assess changes in data recorded at random instances in multiple participants 
B) Assess changes in data over time in an outcome measured successively 
C) Increase error rates 
D) None of the above 
A) Assess changes in data recorded at random instances in multiple participants 
B) Assess changes in data over time in an outcome measured successively 
C) Increase error rates 
D) None of the above

Question 11

A repeated-measures design will be useful when?

Accepted Answer

A) There are many subjects to study. 
B) The subjects are homogenous. 
C) There is a great effect in the independent variable. 
D) The participants vary greatly from one another. 
A) There are many subjects to study. 
B) The subjects are homogenous. 
C) There is a great effect in the independent variable. 
D) The participants vary greatly from one another.

Question 12

What does n refer to in a repeated-measures ANOVA?

Accepted Answer

A) The number of levels of the repeated-measures factor 
B) The number of subjects 
C) The total degrees of freedom 
D) The number of observations 
A) The number of levels of the repeated-measures factor 
B) The number of subjects 
C) The total degrees of freedom 
D) The number of observations

Question 13

Increased precision in the analysis can be achieved by?

Accepted Answer

A) Assuming measurements taken from the same participant correlate,so to test for a difference in treatments involves smaller error variance. 
B) Increasing the risk of human error at data entry stage. 
C) Testing every data set numerous times until the desired result is achieved. 
D) Ignoring errors. 
A) Assuming measurements taken from the same participant correlate,so to test for a difference in treatments involves smaller error variance. 
B) Increasing the risk of human error at data entry stage. 
C) Testing every data set numerous times until the desired result is achieved. 
D) Ignoring errors.

Question 14

Practice effects are balanced across subjects in the incomplete design.

Accepted Answer

A) True 
 B)False

Question 15

There are two types of repeated-measures study.They are?

Accepted Answer

A) Random and structured 
B) Ascending and descending 
C) Complete and incomplete 
D) Type I and Type II 
A) Random and structured 
B) Ascending and descending 
C) Complete and incomplete 
D) Type I and Type II

Question 16

In a mixed design study,all subjects participate in all levels of the within-subjects variable,and one level of the between-subjects variable.

Accepted Answer

A) True 
 B)False

Question 17

The repeated measurements can either be taken serially in time on the same unit,or at one point in time on several units.

Accepted Answer

A) True 
 B)False

Question 18

The answer to Q17 may also affect the internal validity of the study.When?

Accepted Answer

A) When the different conditions of the independent variable are presented in the same order to all participants. 
B) When the conditions are presented in a different order to each participant. 
C) When participants can discuss responses with one another during testing. 
D) When participants are observed but not surveyed for several days after an intervention. 
A) When the different conditions of the independent variable are presented in the same order to all participants. 
B) When the conditions are presented in a different order to each participant. 
C) When participants can discuss responses with one another during testing. 
D) When participants are observed but not surveyed for several days after an intervention.

Question 19

A teacher asks a class of students to complete a new task each week according to her instructions.Each week you observe that the teacher's instructions get longer and more detailed.The internal validity is threatened by affecting the?

Accepted Answer

A) Regression 
B) History 
C) Instrumentation 
D) Mortality 
A) Regression 
B) History 
C) Instrumentation 
D) Mortality

Question 20

What type of statistics are used to summarize performance across all participants for each condition of the independent variable?

Accepted Answer

A) Numerical 
B) Discursive 
C) Simple 
D) Descriptive 
A) Numerical 
B) Discursive 
C) Simple 
D) Descriptive

Exam 15: Repeated-Measures Designs

A repeated-measures study will affect the sensitivity of the experiment.How?

Differential transfer occurs when the effects of one condition persist and influence performance in ensuing conditions.

The procedures followed in repeated-measures designs for testing the null hypothesis are similar to which other type of study?

Repeated-measures studies involve smaller participant sample numbers.Why?

How do the two types of design differ?

Repeated-measures designs cannot be confounded by individual differences.Why not?

A repeated-measures study can be used to study changes in one participant's behaviour over a prolonged period of time.

A repeated-measures design is one in which?

Practice effects are balanced within subjects in which type of study?

Repeated-measures analysis can?

A repeated-measures design will be useful when?

What does n refer to in a repeated-measures ANOVA?

Increased precision in the analysis can be achieved by?

Practice effects are balanced across subjects in the incomplete design.

There are two types of repeated-measures study.They are?

In a mixed design study,all subjects participate in all levels of the within-subjects variable,and one level of the between-subjects variable.

The repeated measurements can either be taken serially in time on the same unit,or at one point in time on several units.

The answer to Q17 may also affect the internal validity of the study.When?

A teacher asks a class of students to complete a new task each week according to her instructions.Each week you observe that the teacher's instructions get longer and more detailed.The internal validity is threatened by affecting the?

What type of statistics are used to summarize performance across all participants for each condition of the independent variable?

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