Question 1

Modification of the _____ is necessary if the assumption of sphericity is violated.

Accepted Answer

A) sample size 
B) sums of squares 
C) degrees of freedom 
D) treatments 
A) sample size 
B) sums of squares 
C) degrees of freedom 
D) treatments

Question 2

The assumption that the variance of the population difference scores for any two conditions is the same as the variance of the population difference scores for any other two conditions is the ____________________ assumption.

Accepted Answer

The answer of The assumption that the variance of the...

Question 3

If the assumption of sphericity is not met,then the _____ procedure is used to evaluate the nature of the relationship.

Accepted Answer

A) Huynh-Feldt 
B) modified Bonferroni 
C) Mauchly 
D) Tukey HS 
A) Huynh-Feldt 
B) modified Bonferroni 
C) Mauchly 
D) Tukey HS

Question 4

An industrial psychologist is interested in the effectiveness of an employee computer training course.A total of 7 employees are enrolled in the course.The psychologist measures computer knowledge (1)just before the training begins, (2)again at the end of training,and (3)again at a 3-month follow-up.An increase in computer knowledge from pre-training to end-of-training would suggest the training is effective.Scores on the computer knowledge test can range from 1 to 10.The tables below summarize the data and part of the data analysis:

What is the strength of the relationship between computer training and computer knowledge test scores (h2)?

Accepted Answer

Question 5

An industrial psychologist is interested in the effectiveness of an employee computer training course.A total of 7 employees are enrolled in the course.The psychologist measures computer knowledge (1)just before the training begins, (2)again at the end of training,and (3)again at a 3-month follow-up.An increase in computer knowledge from pre-training to end-of-training would suggest the training is effective.Scores on the computer knowledge test can range from 1 to 10.The tables below summarize the data and part of the data analysis:

Calculate MSIV:

Accepted Answer

MS_IV = SS_IV/df

Question 6

In a repeated measures design,the sum of squares error represents the influence of
disturbance variables other than individual differences--that is,variability in the dependent variable remaining after the effects of the independent variable and individual differences have been partitioned out.

Accepted Answer

A) True 
 B)False

Question 7

A biopsychologist is interested in studying the effects of marijuana on cognitive skills by studying a group of 7 rats.He puts each rat in a maze and measures the time it takes the rat (in minutes)to find the cheese at the end of the maze.He then puts a mask on the rat and has it inhale marijuana smoke for 5 seconds.He then puts the rat back in the maze,and records its time to reach the cheese.Twenty minutes later he puts the rat back in the maze to test for lasting effects of the drug.The tables below summarize the data and part of the data analysis:   
  
What is the SS Total?

Accepted Answer

A) 106.57 
B) 76.67 
C) 139.81 
D) 96.38 
A) 106.57 
B) 76.67 
C) 139.81 
D) 96.38

Question 8

As with the correlated groups t test,eta-squared in the context of the one-way repeated measures analysis of variance represents the proportion of variability in the dependent variable that is associated with the independent variable,before variability due to individual differences has been removed.

Accepted Answer

A) True 
 B)False

Question 9

You carried out a study where you tested the effectiveness of a new therapy technique at reducing anxiety.You identified a group of high-anxiety individuals,and you measured their anxiety before therapy,immediately after therapy,and at two follow-up sessions 1 month and 2 months after the therapy is concluded.High scores on the anxiety measure are scaled to reflect relatively higher levels of anxiety.Here is the hypothetical data from SPSS output.   
  
According to the main ANOVA analysis,how should the results be described (assume an alpha level of .05)?

Accepted Answer

A) The effect of the new therapy technique was statistically significant but its effect size was weak. 
B) The effect of the new therapy technique was statistically significant and the effect size was strong. 
C) The effect of the new therapy technique was not statistically significant,but the size of the effect suggests this may be due to low power. 
A) The effect of the new therapy technique was statistically significant but its effect size was weak. 
B) The effect of the new therapy technique was statistically significant and the effect size was strong. 
C) The effect of the new therapy technique was not statistically significant,but the size of the effect suggests this may be due to low power.

Question 10

One-way repeated measures analysis of variance is an extension of the:

Accepted Answer

A) correlated groups t test 
B) independent groups t test 
C) matched groups t test 
D) none of these 
A) correlated groups t test 
B) independent groups t test 
C) matched groups t test 
D) none of these

Question 11

The _____ assumption states that the variance of the population difference scores for any two conditions is the same as the variance of the population difference scores for any other two conditions.

Accepted Answer

A) heteroscedasticity 
B) normal differences 
C) homogeneity of differences 
D) sphericity 
A) heteroscedasticity 
B) normal differences 
C) homogeneity of differences 
D) sphericity

Question 12

In the one-way repeated measures analysis of variance,if the sphericity assumption is not met,the appropriate procedure for evaluating the nature of the relationship is the ____________________ procedure.

Accepted Answer

The answer of In the one-way repeated measures analysis of...

Question 13

In SPSS summary table provided for a one-way repeated measures analysis of variance,which of the following information is NOT provided?

Accepted Answer

A) Sum of Squares for the IV 
B) Sum of Squares for the error term 
C) Sum of Squares across subjects 
D) Sum of Squares total 
A) Sum of Squares for the IV 
B) Sum of Squares for the error term 
C) Sum of Squares across subjects 
D) Sum of Squares total

Question 14

To the extent that the dependent variable is influenced by individual background,the population eta-squared will be _____ in the within-subjects case than in the between-subjects case.

Accepted Answer

A) greater 
B) smaller 
C) more interpretable 
D) less interpretable 
A) greater 
B) smaller 
C) more interpretable 
D) less interpretable

Question 15

How is the nature of the relationship addressed in a one-way repeated measures analysis of variance?

Accepted Answer

The nature of the relationship following

Question 16

A researcher conducts a study on the effectiveness of a physical activity program in motivating people to engage in physical activity on a long term basis.This researcher tests her participants physical activity levels at four time points: pretest,posttest,six month follow-up,and one year follow-up.In this study the independent variable is _____ and the dependent variable is_____.

Accepted Answer

A) amount of physical activity;time of test/assessment 
B) the pretest;the posttest and two follow-ups 
C) time of test/assessment;amount of physical activity 
D) motivation;time of test/assessment 
A) amount of physical activity;time of test/assessment 
B) the pretest;the posttest and two follow-ups 
C) time of test/assessment;amount of physical activity 
D) motivation;time of test/assessment

Question 17

If the null hypothesis is true,the _____ reflects only sampling error.

Accepted Answer

A) mean square error 
B) mean square IV 
C) a and b 
D) neither a nor b 
A) mean square error 
B) mean square IV 
C) a and b 
D) neither a nor b

Question 18

The mean square error,which forms the denominator in the F test of the relationship between the independent and dependent variables in the repeated measures case,will tend to be smaller than the mean square within forming the denominator of the F test in the between-subjects case.

Accepted Answer

A) True 
 B)False

Question 19

ÓX2 = 704 (ÓX)2 = 8464 ÓTj2 =3178
ÓX = 92 k=3 N = 5 Ósi2 = 1898
Based on summary values given above,the value of degrees of freedom associated with sum of squares total and the sum of squares error is _____ and _____ ,respectively.

Accepted Answer

A) 2;4 
B) 14;8 
C) 4;14 
D) 8;2 
A) 2;4 
B) 14;8 
C) 4;14 
D) 8;2

Question 20

A biopsychologist is interested in studying the effects of marijuana on cognitive skills by studying a group of 7 rats.He puts each rat in a maze and measures the time it takes the rat (in minutes)to find the cheese at the end of the maze.He then puts a mask on the rat and has it inhale marijuana smoke for 5 seconds.He then puts the rat back in the maze,and records its time to reach the cheese.Twenty minutes later he puts the rat back in the maze to test for lasting effects of the drug.The tables below summarize the data and part of the data analysis:   
  
This study represents a _____-subjects design.

Accepted Answer

A) within 
B) between 
C) across 
D) random 
A) within 
B) between 
C) across 
D) random

Modification of the _____ is necessary if the assumption of sphericity is violated.

The assumption that the variance of the population difference scores for any two conditions is the same as the variance of the population difference scores for any other two conditions is the ____________________ assumption.

If the assumption of sphericity is not met,then the _____ procedure is used to evaluate the nature of the relationship.

In a repeated measures design,the sum of squares error represents the influence of disturbance variables other than individual differences--that is,variability in the dependent variable remaining after the effects of the independent variable and individual differences have been partitioned out.

As with the correlated groups t test,eta-squared in the context of the one-way repeated measures analysis of variance represents the proportion of variability in the dependent variable that is associated with the independent variable,before variability due to individual differences has been removed.

One-way repeated measures analysis of variance is an extension of the:

The _____ assumption states that the variance of the population difference scores for any two conditions is the same as the variance of the population difference scores for any other two conditions.

In the one-way repeated measures analysis of variance,if the sphericity assumption is not met,the appropriate procedure for evaluating the nature of the relationship is the ____________________ procedure.

In SPSS summary table provided for a one-way repeated measures analysis of variance,which of the following information is NOT provided?

To the extent that the dependent variable is influenced by individual background,the population eta-squared will be _____ in the within-subjects case than in the between-subjects case.

How is the nature of the relationship addressed in a one-way repeated measures analysis of variance?

If the null hypothesis is true,the _____ reflects only sampling error.

The mean square error,which forms the denominator in the F test of the relationship between the independent and dependent variables in the repeated measures case,will tend to be smaller than the mean square within forming the denominator of the F test in the between-subjects case.

ÓX² = 704 (ÓX)²= 8464 ÓT_j²=3178 ÓX = 92 k=3 N = 5 Ós_i² = 1898 Based on summary values given above,the value of degrees of freedom associated with sum of squares total and the sum of squares error is _ and _ ,respectively.

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

Percentiles percentile Ranks standard Scores and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Measures of Central Tendency and Variability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Probability

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T -Test

Correlated Groups T-Test

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters

Exam 13: One-Way Repeated Measures Analysis of Variance

Modification of the _____ is necessary if the assumption of sphericity is violated.

The assumption that the variance of the population difference scores for any two conditions is the same as the variance of the population difference scores for any other two conditions is the ____________________ assumption.

If the assumption of sphericity is not met,then the _____ procedure is used to evaluate the nature of the relationship.

In a repeated measures design,the sum of squares error represents the influence of disturbance variables other than individual differences--that is,variability in the dependent variable remaining after the effects of the independent variable and individual differences have been partitioned out.

One-way repeated measures analysis of variance is an extension of the:

The _____ assumption states that the variance of the population difference scores for any two conditions is the same as the variance of the population difference scores for any other two conditions.

In the one-way repeated measures analysis of variance,if the sphericity assumption is not met,the appropriate procedure for evaluating the nature of the relationship is the ____________________ procedure.

In SPSS summary table provided for a one-way repeated measures analysis of variance,which of the following information is NOT provided?

To the extent that the dependent variable is influenced by individual background,the population eta-squared will be _____ in the within-subjects case than in the between-subjects case.

How is the nature of the relationship addressed in a one-way repeated measures analysis of variance?

If the null hypothesis is true,the _____ reflects only sampling error.

The mean square error,which forms the denominator in the F test of the relationship between the independent and dependent variables in the repeated measures case,will tend to be smaller than the mean square within forming the denominator of the F test in the between-subjects case.

ÓX2 = 704 (ÓX)2 = 8464 ÓTj2 =3178 ÓX = 92 k=3 N = 5 Ósi2 = 1898 Based on summary values given above,the value of degrees of freedom associated with sum of squares total and the sum of squares error is _____ and _____ ,respectively.

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

Percentiles percentile Ranks standard Scores and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Measures of Central Tendency and Variability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Probability

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T -Test

Correlated Groups T-Test

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters

ÓX² = 704 (ÓX)²= 8464 ÓT_j²=3178 ÓX = 92 k=3 N = 5 Ós_i² = 1898 Based on summary values given above,the value of degrees of freedom associated with sum of squares total and the sum of squares error is _ and _ ,respectively.