Question 1

If Fobs falls into the rejection region for a one-factor between-subjects analysis of variance, then the.

Accepted Answer

A) alternative hypothesis is accepted 
B) null hypothesis is not rejected 
C) null hypothesis is accepted 
D) differences among the sample means are nonsignificant 
A) alternative hypothesis is accepted 
B) null hypothesis is not rejected 
C) null hypothesis is accepted 
D) differences among the sample means are nonsignificant

Question 2

In a one-factor between-subjects design in which 30 participants are randomly assigned to one of three groups, there is (are) dfTotal.

Accepted Answer

A) 2 
B) 29 
C) 1 
D) 28 
A) 2 
B) 29 
C) 1 
D) 28

Question 3

If H0 is true, then what is the most probable value for F?

Accepted Answer

A) Zero. 
B) Either slightly above or slightly below zero. 
C) About 1.00. 
D) Somewhere between 0 and ±1.00. 
A) Zero. 
B) Either slightly above or slightly below zero. 
C) About 1.00. 
D) Somewhere between 0 and ±1.00.

Question 4

If the independent variable has an effect in a one-factor between-subjects analysis of variance, then MSA.

Accepted Answer

A) should be smaller than MSError 
B) will be larger or smaller than MSError depending on the strength of the effect 
C) and MSError should be about the same 
D) should be larger than MSError 
A) should be smaller than MSError 
B) will be larger or smaller than MSError depending on the strength of the effect 
C) and MSError should be about the same 
D) should be larger than MSError

Question 5

The term represents the total variation in the partitioned score of a subject in a one-factor between-subjects analysis of variance.

Accepted Answer

A)  $X - \bar { X } _ { A }$ 
B)  $\bar { X } _ { s } - \bar { X } _ { g }$ 
C)  $X = \bar { X } _ { G }$ 
D)  $X + \bar { X } _ { A }$ 
A)  $X - \bar { X } _ { A }$ 
B)  $\bar { X } _ { s } - \bar { X } _ { g }$ 
C)  $X = \bar { X } _ { G }$ 
D)  $X + \bar { X } _ { A }$

Question 6

The term $X - \bar { X } _ { G }$ is involved in the computation of SS in a one-factor between-subjects analysis of variance.

Accepted Answer

A) Total 
B) A 
C) Error 
D) Between-groups 
A) Total 
B) A 
C) Error 
D) Between-groups

Question 7

In a one-factor between-subjects design in which 10 participants are randomly assigned to one of two groups, there is (are) df for MSError .

Accepted Answer

A) 2 
B) 9 
C) 1 
D) 8 
A) 2 
B) 9 
C) 1 
D) 8

Question 8

If SSTotal = 100.00, SSA = 40.00, SSError = 60.00, dfTotal = 34, dfA = 4, and dfError = 30 in a one-factor between-subjects analysis of variance, then MSA =.

Accepted Answer

A) 1.18 
B) 0.10 
C) 2.00 
D) 10.00 
A) 1.18 
B) 0.10 
C) 2.00 
D) 10.00

Question 9

Suppose an experiment had a total of 45 participants who were randomly assigned to one of three groups with 15 participants in each group. The df for the SSError would equal .

Accepted Answer

A) 45 
B) 42 
C) 15 
D) 3 
A) 45 
B) 42 
C) 15 
D) 3

Question 10

Multiple comparison procedures are designed to find which differ significantly from each other in a one-factor multilevel design.

Accepted Answer

A) group variances 
B) population variances 
C) group means 
D) group means and grand means 
A) group variances 
B) population variances 
C) group means 
D) group means and grand means

Question 11

The dfTotal for a one-factor between-subjects analysis of variance is equal to dfA dfError.

Accepted Answer

A) plus 
B) minus 
C) multiplied by 
D) divided by 
A) plus 
B) minus 
C) multiplied by 
D) divided by

Question 12

In which of the following instances is a post hoc test needed?

Accepted Answer

A) A statistically significant Fobs is obtained in an experiment with two levels of an independent variable. 
B) A nonsignificant Fobs is obtained in an experiment with two levels of an independent variable. 
C) A nonsignificant Fobs is obtained in an experiment with five levels of an independent variable. 
D) A statistically significant Fobs is obtained in an experiment with four levels of an independent 
A) A statistically significant Fobs is obtained in an experiment with two levels of an independent variable. 
B) A nonsignificant Fobs is obtained in an experiment with two levels of an independent variable. 
C) A nonsignificant Fobs is obtained in an experiment with five levels of an independent variable. 
D) A statistically significant Fobs is obtained in an experiment with four levels of an independent

Question 13

Which of the following is one of the assumptions on which the theoretical sampling distribution of F is based?

Accepted Answer

A) The population variances are equal. 
B) The scores in the populations are normally distributed. 
C) The subjects are randomly and independently sampled from the populations. 
D) All the above. 
A) The population variances are equal. 
B) The scores in the populations are normally distributed. 
C) The subjects are randomly and independently sampled from the populations. 
D) All the above.

Question 14

Post hoc comparisons are.

Accepted Answer

A) conducted if Fobs is nonsignificant in a multilevel analysis of variance 
B) conducted if Fobs is significant in a multilevel analysis of variance 
C) not needed if Fobs is statistically significant in a multilevel analysis of variance 
D) conducted before the analysis of variance is run 
A) conducted if Fobs is nonsignificant in a multilevel analysis of variance 
B) conducted if Fobs is significant in a multilevel analysis of variance 
C) not needed if Fobs is statistically significant in a multilevel analysis of variance 
D) conducted before the analysis of variance is run

Question 15

If the results of an experiment using a one-factor between-subjects analysis of variance were summarized as F(3, 32) = 4.06, p < .05, then you would know that the number of levels of factor A was .

Accepted Answer

A) 2 
B) 3 
C) 4 
D) not enough 
A) 2 
B) 3 
C) 4 
D) not enough

Question 16

The total variation of a subject's score in a one-factor between-subjects analysis of variance can be separated into the.

Accepted Answer

A) mean and the standard deviation 
B) between-groups and within-groups components 
C) effects of the independent variable and the dependent variable 
D) sum of squares and degrees of freedom 
A) mean and the standard deviation 
B) between-groups and within-groups components 
C) effects of the independent variable and the dependent variable 
D) sum of squares and degrees of freedom

Question 17

If an experimenter formed three equivalent groups in an experiment, then he or she could make possible pairwise comparisons of means.

Accepted Answer

A) two 
B) three 
C) four 
D) six 
A) two 
B) three 
C) four 
D) six

Question 18

The probability of making at least one Type I error when performing multiple comparisons is called the rate in an experiment.

Accepted Answer

A) error 
B) relative error 
C) summative error 
D) cumulative error 
A) error 
B) relative error 
C) summative error 
D) cumulative error

Question 19

Assume that an experiment used a one-factor between-subjects design with four groups and that each group consisted of eight subjects. What would be the value of N?

Accepted Answer

A) 8 
B) 4 
C) 32 
D) 10 
A) 8 
B) 4 
C) 32 
D) 10

Question 20

If the independent variable has no effect, then MSA should be MSError, and the resulting F statistic should be in a one-factor between-subjects analysis of variance.

Accepted Answer

A) smaller than; under 1.00 
B) nearly equal to; about 1.00 
C) larger than; over 1.00 
D) smaller than; over 1.00 
A) smaller than; under 1.00 
B) nearly equal to; about 1.00 
C) larger than; over 1.00 
D) smaller than; over 1.00

If Fobs falls into the rejection region for a one-factor between-subjects analysis of variance, then the.

In a one-factor between-subjects design in which 30 participants are randomly assigned to one of three groups, there is (are) dfTotal.

If H0 is true, then what is the most probable value for F?

If the independent variable has an effect in a one-factor between-subjects analysis of variance, then MSA.

The term represents the total variation in the partitioned score of a subject in a one-factor between-subjects analysis of variance.

The term $X - \bar { X } _ { G }$ is involved in the computation of SS in a one-factor between-subjects analysis of variance.

In a one-factor between-subjects design in which 10 participants are randomly assigned to one of two groups, there is (are) df for MSError .

If SSTotal = 100.00, SSA = 40.00, SSError = 60.00, dfTotal = 34, dfA = 4, and dfError = 30 in a one-factor between-subjects analysis of variance, then MSA =.

Suppose an experiment had a total of 45 participants who were randomly assigned to one of three groups with 15 participants in each group. The df for the SSError would equal .

Multiple comparison procedures are designed to find which differ significantly from each other in a one-factor multilevel design.

The dfTotal for a one-factor between-subjects analysis of variance is equal to dfA dfError.

In which of the following instances is a post hoc test needed?

Which of the following is one of the assumptions on which the theoretical sampling distribution of F is based?

Post hoc comparisons are.

If the results of an experiment using a one-factor between-subjects analysis of variance were summarized as F(3, 32) = 4.06, p < .05, then you would know that the number of levels of factor A was .

The total variation of a subject's score in a one-factor between-subjects analysis of variance can be separated into the.

If an experimenter formed three equivalent groups in an experiment, then he or she could make possible pairwise comparisons of means.

The probability of making at least one Type I error when performing multiple comparisons is called the rate in an experiment.

Assume that an experiment used a one-factor between-subjects design with four groups and that each group consisted of eight subjects. What would be the value of N?

If the independent variable has no effect, then MSA should be MSError, and the resulting F statistic should be in a one-factor between-subjects analysis of variance.

Making Sense of Variability: an Introduction to Statistics

Statistics in the Context of Scientific Research

Looking at Data: Frequency Distributions and Graphs

Looking at Data: Measures of Central Tendency

Looking at Data: Measures of Variability

The Normal Distribution, Probability, and Standard Scores

Understanding Data: Using Statistics for Inference and Estimation

Is There Really a Difference Introduction to Statistical Hypothesis Testing

The Basics of Experimentation and Testing for a Difference Between Means

Two-Factor Between-Subjects Analysis of Variance

One-Factor Within-Subjects Analysis of Variance

Correlation: Understanding Covariation

Regression Analysis: Predicting Linear Relationships

Nonparametric Tests

Filters

Exam 10: One-Factor Between-Subjects Analysis of Variance

If Fobs falls into the rejection region for a one-factor between-subjects analysis of variance, then the.

In a one-factor between-subjects design in which 30 participants are randomly assigned to one of three groups, there is (are) dfTotal.

If H0 is true, then what is the most probable value for F?

If the independent variable has an effect in a one-factor between-subjects analysis of variance, then MSA.

The term represents the total variation in the partitioned score of a subject in a one-factor between-subjects analysis of variance.

The term X−XˉGX - \bar { X } _ { G }X−XˉG​ is involved in the computation of SS in a one-factor between-subjects analysis of variance.

In a one-factor between-subjects design in which 10 participants are randomly assigned to one of two groups, there is (are) df for MSError .

If SSTotal = 100.00, SSA = 40.00, SSError = 60.00, dfTotal = 34, dfA = 4, and dfError = 30 in a one-factor between-subjects analysis of variance, then MSA =.

Suppose an experiment had a total of 45 participants who were randomly assigned to one of three groups with 15 participants in each group. The df for the SSError would equal .

Multiple comparison procedures are designed to find which differ significantly from each other in a one-factor multilevel design.

The dfTotal for a one-factor between-subjects analysis of variance is equal to dfA dfError.

In which of the following instances is a post hoc test needed?

Which of the following is one of the assumptions on which the theoretical sampling distribution of F is based?

Post hoc comparisons are.

If the results of an experiment using a one-factor between-subjects analysis of variance were summarized as F(3, 32) = 4.06, p < .05, then you would know that the number of levels of factor A was .

The total variation of a subject's score in a one-factor between-subjects analysis of variance can be separated into the.

If an experimenter formed three equivalent groups in an experiment, then he or she could make possible pairwise comparisons of means.

The probability of making at least one Type I error when performing multiple comparisons is called the rate in an experiment.

Assume that an experiment used a one-factor between-subjects design with four groups and that each group consisted of eight subjects. What would be the value of N?

If the independent variable has no effect, then MSA should be MSError, and the resulting F statistic should be in a one-factor between-subjects analysis of variance.

Making Sense of Variability: an Introduction to Statistics

Statistics in the Context of Scientific Research

Looking at Data: Frequency Distributions and Graphs

Looking at Data: Measures of Central Tendency

Looking at Data: Measures of Variability

The Normal Distribution, Probability, and Standard Scores

Understanding Data: Using Statistics for Inference and Estimation

Is There Really a Difference Introduction to Statistical Hypothesis Testing

The Basics of Experimentation and Testing for a Difference Between Means

Two-Factor Between-Subjects Analysis of Variance

One-Factor Within-Subjects Analysis of Variance

Correlation: Understanding Covariation

Regression Analysis: Predicting Linear Relationships

Nonparametric Tests

Filters

The term $X - \bar { X } _ { G }$ is involved in the computation of SS in a one-factor between-subjects analysis of variance.