Exam 9: The Basics of Experimentation and Testing for a Difference Between Means

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If group A1 has 14 participants and group A2 has 12 participants, then tind on the two groups would have degrees of freedom.

(Multiple Choice)

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Question 21

If a control group has 20 participants and an experimental group also has 20 participants, then the degrees of freedom for tind on the two groups are.

(Multiple Choice)

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Question 22

An experimenter manipulates the independent variable of the difficulty of a list of words a person is asked to memorize. One group of participants is given an easy list to memorize, the second group of participants is given a difficult list of words to memorize. The levels of this independent variable are.

(Multiple Choice)

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Question 23

In actual experimentation, random sampling rarely is used. Rather, sampling typically is used.

(Multiple Choice)

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Question 24

To decide that the independent variable is responsible for the difference between the means of two groups in an experiment, it is necessary to determine the.

(Multiple Choice)

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Question 25

Increasing the size of the sample in an experiment will the value of.

(Multiple Choice)

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Question 26

Which of the following occurs first when performing an experiment?

(Multiple Choice)

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Question 27

The sampling distribution of the difference between means.

(Multiple Choice)

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Question 28

When two or more groups are used in an experiment, the total number of subjects in the experiment is indicated by.

(Multiple Choice)

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Question 29

A placebo control group in an experiment would.

(Multiple Choice)

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Question 30

Eta squared represents the proportion of total variation in scores that is accounted for by .

(Multiple Choice)

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Question 31

The power of tind can be increased by.

(Multiple Choice)

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Question 32

Sampling error implies that.

(Multiple Choice)

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Question 33

If knowing the level of an independent variable received by a participant does not at all improve prediction of that participant 's score in an experiment, then will be. $\eta ^ { 2 }$

(Multiple Choice)

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Question 34

If the results of an experiment using tind were summarized as t(24) = 1.974, p > .05, then you would know that the probability of the difference between the means occurring by chance is and that the difference is.

(Multiple Choice)

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Question 35

Equivalent groups are expected to.

(Multiple Choice)

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Question 36

If tobs falls into a rejection region, then which of the following is true?

(Multiple Choice)

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Question 37

The denominator of tind is.

(Multiple Choice)

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Question 38

Equivalent groups typically are formed by.

(Multiple Choice)

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Question 39

An experiment in which one independent variable is manipulated and two equivalent groups of subjects are formed is using a design.

(Multiple Choice)

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Question 40

Showing 21 - 40 of 82

If group A1 has 14 participants and group A2 has 12 participants, then tind on the two groups would have degrees of freedom.

If a control group has 20 participants and an experimental group also has 20 participants, then the degrees of freedom for tind on the two groups are.

In actual experimentation, random sampling rarely is used. Rather, sampling typically is used.

To decide that the independent variable is responsible for the difference between the means of two groups in an experiment, it is necessary to determine the.

Increasing the size of the sample in an experiment will the value of.

Which of the following occurs first when performing an experiment?

The sampling distribution of the difference between means.

When two or more groups are used in an experiment, the total number of subjects in the experiment is indicated by.

A placebo control group in an experiment would.

Eta squared represents the proportion of total variation in scores that is accounted for by .

The power of tind can be increased by.

Sampling error implies that.

If knowing the level of an independent variable received by a participant does not at all improve prediction of that participant 's score in an experiment, then will be. $\eta ^ { 2 }$

If the results of an experiment using tind were summarized as t(24) = 1.974, p > .05, then you would know that the probability of the difference between the means occurring by chance is and that the difference is.

Equivalent groups are expected to.

If tobs falls into a rejection region, then which of the following is true?

The denominator of tind is.

Equivalent groups typically are formed by.

An experiment in which one independent variable is manipulated and two equivalent groups of subjects are formed is using a design.

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

One-Factor Between-Subjects Analysis of Variance

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 9: The Basics of Experimentation and Testing for a Difference Between Means

If group A1 has 14 participants and group A2 has 12 participants, then tind on the two groups would have degrees of freedom.

If a control group has 20 participants and an experimental group also has 20 participants, then the degrees of freedom for tind on the two groups are.

In actual experimentation, random sampling rarely is used. Rather, sampling typically is used.

To decide that the independent variable is responsible for the difference between the means of two groups in an experiment, it is necessary to determine the.

Increasing the size of the sample in an experiment will the value of.

Which of the following occurs first when performing an experiment?

The sampling distribution of the difference between means.

When two or more groups are used in an experiment, the total number of subjects in the experiment is indicated by.

A placebo control group in an experiment would.

Eta squared represents the proportion of total variation in scores that is accounted for by .

The power of tind can be increased by.

Sampling error implies that.

If knowing the level of an independent variable received by a participant does not at all improve prediction of that participant 's score in an experiment, then will be. η2\eta ^ { 2 }η2

If the results of an experiment using tind were summarized as t(24) = 1.974, p > .05, then you would know that the probability of the difference between the means occurring by chance is and that the difference is.

Equivalent groups are expected to.

If tobs falls into a rejection region, then which of the following is true?

The denominator of tind is.

Equivalent groups typically are formed by.

An experiment in which one independent variable is manipulated and two equivalent groups of subjects are formed is using a design.

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

One-Factor Between-Subjects Analysis of Variance

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

If knowing the level of an independent variable received by a participant does not at all improve prediction of that participant 's score in an experiment, then will be. $\eta ^ { 2 }$