Question 1

If the calculated value of F is .89 and the critical value of F is 4.36, what is likelihood that the researcher will make a Type I error?

Accepted Answer

A) .00 
B) .05 
C) .89 
D) 1.00 
A) .00 
B) .05 
C) .89 
D) 1.00

Question 2

In a t-test, the degrees of freedom are a function of the

Accepted Answer

A) variance. 
B) difference between the means. 
C) sample size. 
D) alpha-level. 
A) variance. 
B) difference between the means. 
C) sample size. 
D) alpha-level.

Question 3

When ANOVA is used to analyze data from experiments with one independent variable, the total sum of squares is composed of two parts. What are they?

Accepted Answer

When ANOVA (Analysis of Variance) is use

Question 4

If a significant main effect involves an independent variable with two conditions, the main effect is interpreted by

Accepted Answer

A) testing the simple main effects. 
B) inspecting the means. 
C) testing the interaction. 
D) doing follow-up or post hoc tests. 
A) testing the simple main effects. 
B) inspecting the means. 
C) testing the interaction. 
D) doing follow-up or post hoc tests.

Question 5

When would you use a paired t-test?

Accepted Answer

A paired t-test, also known as a depende

Question 6

Why do researchers not use t-tests to analyze the data from experimental designs that have more than two conditions?

Accepted Answer

Researchers typically do not use t-tests

Question 7

MANOVA analyzes a composite variable that is the sum of the weighted dependent variables. This composite variable is the

Accepted Answer

A) discriminant function. 
B) canonical correlation. 
C) factor loading. 
D) canonical variable. 
A) discriminant function. 
B) canonical correlation. 
C) factor loading. 
D) canonical variable.

Question 8

One-tailed is to two-tailed as

Accepted Answer

A) alpha is to beta. 
B) directional is to nondirectional. 
C) posttest only is to pretest-posttest. 
D) Type II is to Type I. 
A) alpha is to beta. 
B) directional is to nondirectional. 
C) posttest only is to pretest-posttest. 
D) Type II is to Type I.

Question 9

When ANOVA is used to analyze data from experiments with two independent variables, the total sum of squares is composed of four parts. What are they?

Accepted Answer

When ANOVA (Analysis of Variance) is use

Question 10

Explain the rationale behind the t-test.

Accepted Answer

The t-test is a statistical method used

Question 11

What happens to the overall likelihood of making a Type I error as the number of dependent variables increases?

Accepted Answer

A) Type I error increases 
B) Type I error decreases 
C) Type I error exceeds Type II error 
D) Type II error exceeds Type I error 
A) Type I error increases 
B) Type I error decreases 
C) Type I error exceeds Type II error 
D) Type II error exceeds Type I error

Question 12

The analysis of a factorial design with two independent variables will test

Accepted Answer

A) one main effect and an interaction. 
B) two main effects and an interaction. 
C) two main effects and two interactions. 
D) None of these answers are correct. 
A) one main effect and an interaction. 
B) two main effects and an interaction. 
C) two main effects and two interactions. 
D) None of these answers are correct.

Question 13

What is an interaction?

Accepted Answer

An interaction is a kind of action that

Question 14

What do you do to interpret a significant main effect the involves an independent variable that has more than two conditions?

Accepted Answer

A) Test the simple main effects. 
B) Simply visually inspect the means. 
C) Test the interaction. 
D) Conduct post hoc tests. 
A) Test the simple main effects. 
B) Simply visually inspect the means. 
C) Test the interaction. 
D) Conduct post hoc tests.

Question 15

The calculated value of F is based on the ratio of between-groups variance to ________ variance.

Accepted Answer

A) error 
B) systematic 
C) total 
D) reliable 
A) error 
B) systematic 
C) total 
D) reliable

Question 16

Why do researchers not conduct several t-tests to analyze experiments that have more than two conditions?

Accepted Answer

A) The means will be invalid. 
B) The sample size is too small. 
C) Type I error is inflated. 
D) The power of the analysis is low. 
A) The means will be invalid. 
B) The sample size is too small. 
C) Type I error is inflated. 
D) The power of the analysis is low.

Question 17

When the calculated value of F is less than the critical value of F, what decision does the researcher make regarding the null hypothesis?

Accepted Answer

When the calculated value of F (from an

Question 18

Distinguish between a one-tailed and a two-tailed statistical test.

Accepted Answer

A one-tailed and a two-tailed statistica

Question 19

What statistic would you use to test whether the means of a two-group experiment were significantly different?

Accepted Answer

A) ANOVA 
B) T-test 
C) F-test 
D) Regression analysis 
A) ANOVA 
B) T-test 
C) F-test 
D) Regression analysis

If the calculated value of F is .89 and the critical value of F is 4.36, what is likelihood that the researcher will make a Type I error?

In a t-test, the degrees of freedom are a function of the

When ANOVA is used to analyze data from experiments with one independent variable, the total sum of squares is composed of two parts. What are they?

If a significant main effect involves an independent variable with two conditions, the main effect is interpreted by

When would you use a paired t-test?

Why do researchers not use t-tests to analyze the data from experimental designs that have more than two conditions?

MANOVA analyzes a composite variable that is the sum of the weighted dependent variables. This composite variable is the

One-tailed is to two-tailed as

When ANOVA is used to analyze data from experiments with two independent variables, the total sum of squares is composed of four parts. What are they?

Explain the rationale behind the t-test.

What happens to the overall likelihood of making a Type I error as the number of dependent variables increases?

The analysis of a factorial design with two independent variables will test

What is an interaction?

What do you do to interpret a significant main effect the involves an independent variable that has more than two conditions?

The calculated value of F is based on the ratio of between-groups variance to ________ variance.

Why do researchers not conduct several t-tests to analyze experiments that have more than two conditions?

When the calculated value of F is less than the critical value of F, what decision does the researcher make regarding the null hypothesis?

Distinguish between a one-tailed and a two-tailed statistical test.

What statistic would you use to test whether the means of a two-group experiment were significantly different?

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Exam 12: Statistical Analysis

If the calculated value of F is .89 and the critical value of F is 4.36, what is likelihood that the researcher will make a Type I error?

In a t-test, the degrees of freedom are a function of the

When ANOVA is used to analyze data from experiments with one independent variable, the total sum of squares is composed of two parts. What are they?

If a significant main effect involves an independent variable with two conditions, the main effect is interpreted by

When would you use a paired t-test?

Why do researchers not use t-tests to analyze the data from experimental designs that have more than two conditions?

MANOVA analyzes a composite variable that is the sum of the weighted dependent variables. This composite variable is the

One-tailed is to two-tailed as

When ANOVA is used to analyze data from experiments with two independent variables, the total sum of squares is composed of four parts. What are they?

Explain the rationale behind the t-test.

What happens to the overall likelihood of making a Type I error as the number of dependent variables increases?

The analysis of a factorial design with two independent variables will test

What is an interaction?

What do you do to interpret a significant main effect the involves an independent variable that has more than two conditions?

The calculated value of F is based on the ratio of between-groups variance to ________ variance.

Why do researchers not conduct several t-tests to analyze experiments that have more than two conditions?

When the calculated value of F is less than the critical value of F, what decision does the researcher make regarding the null hypothesis?

Distinguish between a one-tailed and a two-tailed statistical test.

What statistic would you use to test whether the means of a two-group experiment were significantly different?

Research in the Behavioral Sciences

Behavioral Variability and Research

The Measurement of Behavior

Approaches to Psychological Measurement

Selecting Research Participants

Descriptive Research

Correlational Research

Advanced Correlational Strategies

Basic Issues in Experimental Research

Experimental Design

Analyzing Experimental Data: Basic Concepts

Quasi-Experimental Designs

Single-Case Research

Ethical Issues in Behavioral Research

Scientific Writing

Filters