Question 1

Which of the following is a directional alternative hypothesis for a repeated measures t test?

Accepted Answer

A) H₁: μ₁ ≥ μ₂ B) H₁: μ₁ > D ≤ 0 D) H₁: μD < 0 A) H₁: μ₁ ≥ μ₂ B) H₁: μ₁ > D ≤ 0 D) H₁: μD < 0 D

Question 2

Which is the correct df for a related samples t test?

Accepted Answer

A)  n - 1 
B)  n₁ + n₂ - 2 
C)  n₁ - n₂ + 2 
D)  n + 1 
A)  n - 1 
B)  n₁ + n₂ - 2 
C)  n₁ - n₂ + 2 
D)  n + 1 A

Question 3

Given difference values of 21, -6, 17, -10, and 13, what is MD?

Accepted Answer

A)  35 
B)  7 
C)  8.75 
D)  15.63 
A)  35 
B)  7 
C)  8.75 
D)  15.63 B

Question 4

If a researcher exposes half of the subjects in an experiment to condition A and then B, and the other half of the subjects to condition B first and then A, what procedure has been used?

Accepted Answer

A)  counterbalancing 
B)  order effects 
C)  switchback 
D)  reversal 
A)  counterbalancing 
B)  order effects 
C)  switchback 
D)  reversal

Question 5

Which of the following is a directional null hypothesis for a repeated measures t test?

Accepted Answer

A)  H₀: μD D ≥ 0 
C)  H₀: μ₁ > μ₂ 
D)  H₀: μ₁ ≤ μ₂ 
A)  H₀: μD D ≥ 0 
C)  H₀: μ₁ > μ₂ 
D)  H₀: μ₁ ≤ μ₂

Question 6

For the scores that follow, conduct a two-tailed, repeated measures test using α = .05.

Accepted Answer

@#IMG-DLM& Step 1: H₀: μ_D = 0 H₁: μ_D ≠ 0 S

Question 7

What is the sampling distribution called for a t test with a repeated measures design?

Accepted Answer

Sampling d

Question 8

What are the disadvantages of using a repeated measures t test?

Accepted Answer

Order effects can be a problem with the

Question 9

Problems that could arise related to the order in which the independent variable was presented include all of the following, except

Accepted Answer

A)  boredom. 
B)  lingering effects of a medication. 
C)  improved performance due to practice. 
D)  counterbalancing. 
A)  boredom. 
B)  lingering effects of a medication. 
C)  improved performance due to practice. 
D)  counterbalancing.

Question 10

Which of the following is the correct notation for the nondirectional alternative hypothesis of a repeated measures t test?

Accepted Answer

A) H₁: μD ≠ 0 B) H₁: μD > 0 C) H₁: μD < 0 D) either "b" or "c" above A) H₁: μD ≠ 0 B) H₁: μD > 0 C) H₁: μD < 0 D) either "b" or "c" above

Question 11

The standard deviation for a two-sample, repeated measures t test is called the

Accepted Answer

A)  standard error of the mean. 
B)  standard error of the mean difference. 
C)  standard error of the difference between means. 
D)  standard error of the deviation of means. 
A)  standard error of the mean. 
B)  standard error of the mean difference. 
C)  standard error of the difference between means. 
D)  standard error of the deviation of means.

Question 12

For a repeated measures t test, the alternative hypothesis attributes

Accepted Answer

A)  mean differences between pre- and post-test scores to random sampling error. 
B)  any differences between the means for group 1 and group 2 to random sampling error. 
C)  mean differences between pre- and post-test scores to the effects of an independent variable. 
D)  any differences between the means for group 1 and group 2 to the effects of an independent variable. 
A)  mean differences between pre- and post-test scores to random sampling error. 
B)  any differences between the means for group 1 and group 2 to random sampling error. 
C)  mean differences between pre- and post-test scores to the effects of an independent variable. 
D)  any differences between the means for group 1 and group 2 to the effects of an independent variable.

Question 13

If df = 34 for a repeated measures t test, how many subjects participated in the study?

Accepted Answer

A)  17 
B)  16 
C)  35 
D)  36 
A)  17 
B)  16 
C)  35 
D)  36

Question 14

What are the advantages of using a repeated measures t test rather than an independent samples t test?

Accepted Answer

Advantages of using a repeated measures

Question 15

One of the disadvantages of the repeated measures design is

Accepted Answer

A)  order effects. 
B)  the greater number of subjects required. 
C)  more sampling error. 
D)  greater variability due to individual differences. 
A)  order effects. 
B)  the greater number of subjects required. 
C)  more sampling error. 
D)  greater variability due to individual differences.

Question 16

What is meant by counterbalancing?

Accepted Answer

Counterbalancing is a procedur

Question 17

To control for some of the problems associated with order effects in a repeated measures t test, you could

Accepted Answer

A)  shorten the length of time between conditions. 
B)  use counterbalancing. 
C)  allow subjects to take a nap between treatment conditions. 
D)  use different subjects for the second condition. 
A)  shorten the length of time between conditions. 
B)  use counterbalancing. 
C)  allow subjects to take a nap between treatment conditions. 
D)  use different subjects for the second condition.

Question 18

One study involved one group with n = 16 and M = 48 and another group with n = 18 and M = 62. Which of the following statistical tests would be appropriate for the analysis?

Accepted Answer

A)  one-sample t test 
B)  two-sample t test, independent samples design 
C)  two-sample t test, repeated measures design 
D)  either "b" or "c" above 
A)  one-sample t test 
B)  two-sample t test, independent samples design 
C)  two-sample t test, repeated measures design 
D)  either "b" or "c" above

Question 19

If you wanted to measure developmental changes over time, which t test(s) would be most suitable?

Accepted Answer

A)  one-sample t test 
B)  two-sample t test, independent samples design 
C)  two-sample t test, repeated measures design 
D)  either "b" or "c" above 
A)  one-sample t test 
B)  two-sample t test, independent samples design 
C)  two-sample t test, repeated measures design 
D)  either "b" or "c" above

Question 20

The symbol for the standard error value for a repeated measures t test is

Accepted Answer

A)  s 
B)  sM 
C)    
D)  sM₁-M₂ 
A)  s 
B)  sM 
C)    
D)  sM₁-M₂

Which of the following is a directional alternative hypothesis for a repeated measures t test?

Which is the correct df for a related samples t test?

Given difference values of 21, -6, 17, -10, and 13, what is M_D?

If a researcher exposes half of the subjects in an experiment to condition A and then B, and the other half of the subjects to condition B first and then A, what procedure has been used?

Which of the following is a directional null hypothesis for a repeated measures t test?

For the scores that follow, conduct a two-tailed, repeated measures test using α = .05.

What is the sampling distribution called for a t test with a repeated measures design?

What are the disadvantages of using a repeated measures t test?

Problems that could arise related to the order in which the independent variable was presented include all of the following, except

Which of the following is the correct notation for the nondirectional alternative hypothesis of a repeated measures t test?

The standard deviation for a two-sample, repeated measures t test is called the

For a repeated measures t test, the alternative hypothesis attributes

If df = 34 for a repeated measures t test, how many subjects participated in the study?

What are the advantages of using a repeated measures t test rather than an independent samples t test?

One of the disadvantages of the repeated measures design is

What is meant by counterbalancing?

To control for some of the problems associated with order effects in a repeated measures t test, you could

One study involved one group with n = 16 and M = 48 and another group with n = 18 and M = 62. Which of the following statistical tests would be appropriate for the analysis?

If you wanted to measure developmental changes over time, which t test(s) would be most suitable?

The symbol for the standard error value for a repeated measures t test is

Organizing Data Using Tables and Graphs

Measures of Central Tendency

Measures of Variability

Z-Scores and Other Standard Scores

Probability and the Normal Distribution

Sampling Distribution of Means

Hypothesis Testing

One-Sample T-Test

Two-Sample T-Test: Independent Samples Design

Confidence Interval Versus Point Estimation

One-Way Analysis of Variance

Factorial Analysis of Variance

Correlation and Regression

Chi-Square

Introduction to Statistics

Nonparametric Statistics for Ordinal Data

Filters

Exam 11: Two-Sample T-Test: Related Samples Design

Which of the following is a directional alternative hypothesis for a repeated measures t test?

Which is the correct df for a related samples t test?

Given difference values of 21, -6, 17, -10, and 13, what is MD?

If a researcher exposes half of the subjects in an experiment to condition A and then B, and the other half of the subjects to condition B first and then A, what procedure has been used?

Which of the following is a directional null hypothesis for a repeated measures t test?

For the scores that follow, conduct a two-tailed, repeated measures test using α = .05.

What is the sampling distribution called for a t test with a repeated measures design?

What are the disadvantages of using a repeated measures t test?

Problems that could arise related to the order in which the independent variable was presented include all of the following, except

Which of the following is the correct notation for the nondirectional alternative hypothesis of a repeated measures t test?

The standard deviation for a two-sample, repeated measures t test is called the

For a repeated measures t test, the alternative hypothesis attributes

If df = 34 for a repeated measures t test, how many subjects participated in the study?

What are the advantages of using a repeated measures t test rather than an independent samples t test?

One of the disadvantages of the repeated measures design is

What is meant by counterbalancing?

To control for some of the problems associated with order effects in a repeated measures t test, you could

One study involved one group with n = 16 and M = 48 and another group with n = 18 and M = 62. Which of the following statistical tests would be appropriate for the analysis?

If you wanted to measure developmental changes over time, which t test(s) would be most suitable?

The symbol for the standard error value for a repeated measures t test is

Organizing Data Using Tables and Graphs

Measures of Central Tendency

Measures of Variability

Z-Scores and Other Standard Scores

Probability and the Normal Distribution

Sampling Distribution of Means

Hypothesis Testing

One-Sample T-Test

Two-Sample T-Test: Independent Samples Design

Confidence Interval Versus Point Estimation

One-Way Analysis of Variance

Factorial Analysis of Variance

Correlation and Regression

Chi-Square

Introduction to Statistics

Nonparametric Statistics for Ordinal Data

Filters

Given difference values of 21, -6, 17, -10, and 13, what is M_D?