Exam 10: Testing Means: Related Samples T Test

A researcher records the strength of a conditioned response among 12 rats in the presence and absence of conditioned cues.If he computes a related samples t test at a .05 level of significance (two-tailed test),then what are the critical values for this test?

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(Multiple Choice)

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Question 1

Correct Answer:

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If a related samples t test is significant,then it will also be associated with a large effect size.

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(True/False)

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Question 2

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False

A researcher conducts a study in which the population variance of difference scores between two groups is unknown.What type of t test is most appropriate for this study?

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(Multiple Choice)

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Question 3

Correct Answer:

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What are the degrees of freedom for the related samples t test?

(Multiple Choice)

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Question 4

Which of the following is the numerator of the test statistic for the related samples t test?

(Multiple Choice)

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Question 5

Which of the following identifies a large effect size for a t test?

(Multiple Choice)

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Question 6

All other things being equal,reducing the level of significance from .05 to .01 will ________ the value of the test statistic for a related samples t test.

(Multiple Choice)

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Question 7

Which of the following is a type of related samples design in which different participants are actually observed in each group,but treated statistically as if they are the same persons in each group.

(Multiple Choice)

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Question 8

A type of related samples design in which participants are observed more than once is called a

(Multiple Choice)

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Question 9

The estimated standard error for difference scores is in the denominator of the test statistic for the related samples t test.

(True/False)

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Question 10

The estimated standard error for difference scores is the denominator of the test statistic for a related samples t test.

(True/False)

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Question 11

Using APA format,which value is typically given in parentheses when reporting the results for a t test?

(Multiple Choice)

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Question 12

The degrees of freedom for the related samples t test is the number of difference scores minus one.

(True/False)

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Question 13

The test statistic for the related samples t test is equivalent to the test statistic for the two-independent sample t test.

(True/False)

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Question 14

"Elementary school children spent significantly more time reading the presence of a teacher than when the teacher was absent,t(7)= 2.804,p < .05 $\omega$ ²=0.46)." In this related samples t test,how many participants were observed?

(Multiple Choice)

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Question 15

A researcher conducts a study in which the same participants are observed across each level of the independent variable.If there are only two levels of the independent variable,then what type of t test is appropriate for this study?

(Multiple Choice)

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Question 16

The decision is to reject the null hypothesis for the following related samples t test: t(23)= 3.02,p < .05 (d = .18).

(True/False)

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Question 17

A researcher selected a sample of 24 participants and observed their behavior at two times.The result of a related samples t test at a .05 level of significance was t = 2.68.Which of the following correctly describes the result of this test?

(Multiple Choice)

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Question 18

The assumptions for a related samples t test are the same as those for the two-independent sample t test.

(True/False)

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Question 19

Each of the following is an estimate of error for a t test,except

(Multiple Choice)

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Question 20

Showing 1 - 20 of 79

A researcher records the strength of a conditioned response among 12 rats in the presence and absence of conditioned cues.If he computes a related samples t test at a .05 level of significance (two-tailed test),then what are the critical values for this test?

If a related samples t test is significant,then it will also be associated with a large effect size.

A researcher conducts a study in which the population variance of difference scores between two groups is unknown.What type of t test is most appropriate for this study?

What are the degrees of freedom for the related samples t test?

Which of the following is the numerator of the test statistic for the related samples t test?

Which of the following identifies a large effect size for a t test?

All other things being equal,reducing the level of significance from .05 to .01 will ________ the value of the test statistic for a related samples t test.

Which of the following is a type of related samples design in which different participants are actually observed in each group,but treated statistically as if they are the same persons in each group.

A type of related samples design in which participants are observed more than once is called a

The estimated standard error for difference scores is in the denominator of the test statistic for the related samples t test.

The estimated standard error for difference scores is the denominator of the test statistic for a related samples t test.

Using APA format,which value is typically given in parentheses when reporting the results for a t test?

The degrees of freedom for the related samples t test is the number of difference scores minus one.

The test statistic for the related samples t test is equivalent to the test statistic for the two-independent sample t test.

"Elementary school children spent significantly more time reading the presence of a teacher than when the teacher was absent,t(7)= 2.804,p < .05 $\omega$ ²=0.46)." In this related samples t test,how many participants were observed?

A researcher conducts a study in which the same participants are observed across each level of the independent variable.If there are only two levels of the independent variable,then what type of t test is appropriate for this study?

The decision is to reject the null hypothesis for the following related samples t test: t(23)= 3.02,p < .05 (d = .18).

A researcher selected a sample of 24 participants and observed their behavior at two times.The result of a related samples t test at a .05 level of significance was t = 2.68.Which of the following correctly describes the result of this test?

The assumptions for a related samples t test are the same as those for the two-independent sample t test.

Each of the following is an estimate of error for a t test,except

Introduction to Statistics

Summarizing Data: Frequency Distributions in Tables and Graphs

Summarizing Data: Central Tendency

Summarizing Data: Variability

Probability

Probability, Normal Distributions, and Z Scores

Probability and Sampling Distributions

Hypothesis Testing: Significance, Effect Size, and Power

Testing Means: One-Sample and Two-Independent Sample T Tests

Estimation and Confidence Intervals

Analysis of Variance: One-Way Between-Subjects Design

Analysis of Variance: One-Way Within-Subjects Repeated Measures Design

Analysis of Variance: Two-Way Between-Subjects Factorial Design

Correlation

Linear Regression and Multiple Regression

Nonparametric Tests: Chi-Square Tests

Nonparametric Tests: Tests for Ordinal Data

Filters

Exam 10: Testing Means: Related Samples T Test

A researcher records the strength of a conditioned response among 12 rats in the presence and absence of conditioned cues.If he computes a related samples t test at a .05 level of significance (two-tailed test),then what are the critical values for this test?

If a related samples t test is significant,then it will also be associated with a large effect size.

A researcher conducts a study in which the population variance of difference scores between two groups is unknown.What type of t test is most appropriate for this study?

What are the degrees of freedom for the related samples t test?

Which of the following is the numerator of the test statistic for the related samples t test?

Which of the following identifies a large effect size for a t test?

All other things being equal,reducing the level of significance from .05 to .01 will ________ the value of the test statistic for a related samples t test.

Which of the following is a type of related samples design in which different participants are actually observed in each group,but treated statistically as if they are the same persons in each group.

A type of related samples design in which participants are observed more than once is called a

The estimated standard error for difference scores is in the denominator of the test statistic for the related samples t test.

The estimated standard error for difference scores is the denominator of the test statistic for a related samples t test.

Using APA format,which value is typically given in parentheses when reporting the results for a t test?

The degrees of freedom for the related samples t test is the number of difference scores minus one.

The test statistic for the related samples t test is equivalent to the test statistic for the two-independent sample t test.

"Elementary school children spent significantly more time reading the presence of a teacher than when the teacher was absent,t(7)= 2.804,p < .05 ω\omegaω 2=0.46)." In this related samples t test,how many participants were observed?

A researcher conducts a study in which the same participants are observed across each level of the independent variable.If there are only two levels of the independent variable,then what type of t test is appropriate for this study?

The decision is to reject the null hypothesis for the following related samples t test: t(23)= 3.02,p < .05 (d = .18).

A researcher selected a sample of 24 participants and observed their behavior at two times.The result of a related samples t test at a .05 level of significance was t = 2.68.Which of the following correctly describes the result of this test?

The assumptions for a related samples t test are the same as those for the two-independent sample t test.

Each of the following is an estimate of error for a t test,except

Introduction to Statistics

Summarizing Data: Frequency Distributions in Tables and Graphs

Summarizing Data: Central Tendency

Summarizing Data: Variability

Probability

Probability, Normal Distributions, and Z Scores

Probability and Sampling Distributions

Hypothesis Testing: Significance, Effect Size, and Power

Testing Means: One-Sample and Two-Independent Sample T Tests

Estimation and Confidence Intervals

Analysis of Variance: One-Way Between-Subjects Design

Analysis of Variance: One-Way Within-Subjects Repeated Measures Design

Analysis of Variance: Two-Way Between-Subjects Factorial Design

Correlation

Linear Regression and Multiple Regression

Nonparametric Tests: Chi-Square Tests

Nonparametric Tests: Tests for Ordinal Data

Filters

"Elementary school children spent significantly more time reading the presence of a teacher than when the teacher was absent,t(7)= 2.804,p < .05 $\omega$ ²=0.46)." In this related samples t test,how many participants were observed?