Exam 12: Understanding Research Results: Description and Correlation

Workers at an automobile repair shop report that half of the automobiles they repair have a resale value below $8000.In this example,which measure of central tendency does the $8000 represent?

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Question 1

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The Pearson product-moment correlation coefficient:

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Question 2

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In assessing the relationship between variable X and variable Y,the squared value of the correlation coefficient (r²)is sometimes reported.This value represents:

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Question 3

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The scores obtained by five college students in a test are 25,25,30,35,and 40.What is the mean for this set of scores?

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Question 4

A researcher finds that the correlation between two variables is +.63,but this correlation drops to +.20 when a third variable is partialed out.In this case,the researcher should conclude that the third variable:

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Question 5

A multiple correlation is the correlation between a combined set of _ variables and a single _ variable.

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Question 6

In the general form of a regression equation given by Y = a + bX,the letter X represents _____.

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Question 7

Which of the following statistical measures indicates the average deviation of scores from the mean?

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Question 8

The advantage of reporting effect size is that it:

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Question 9

Which of the following statements is true about path coefficients?

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Question 10

Which of the following statements is true about standard deviation?

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Question 11

The _____ is a measure of variability that is simply the difference between the highest score and the lowest score.

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Question 12

Three celebrity judges rank the finalists of a reality show based on their musical talents.The judges rank the contestants in the order of the most talented to the least talented.Which type of measurement scale does this scenario exemplify?

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Question 13

Which of the following statements is true about bar graphs?

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Question 14

What happens when a correlation is nearer to 1.00 (plus or minus)?

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Question 15

Which of the following statements is true about effect size?

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Question 16

Multiple correlation is a technique for:

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Question 17

When researchers are interested in predicting some future behavior based on a person's score on some other variable,they should:

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Question 18

The _____ is an appropriate indicator of central tendency only when scores are measured on an interval or ratio scale.

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Question 19

Which of the following would be an appropriate measure of central tendency to summarize data on a nominal scale?

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Question 20

Showing 1 - 20 of 74

Workers at an automobile repair shop report that half of the automobiles they repair have a resale value below $8000.In this example,which measure of central tendency does the $8000 represent?

The Pearson product-moment correlation coefficient:

In assessing the relationship between variable X and variable Y,the squared value of the correlation coefficient (r²)is sometimes reported.This value represents:

The scores obtained by five college students in a test are 25,25,30,35,and 40.What is the mean for this set of scores?

A researcher finds that the correlation between two variables is +.63,but this correlation drops to +.20 when a third variable is partialed out.In this case,the researcher should conclude that the third variable:

A multiple correlation is the correlation between a combined set of _ variables and a single _ variable.

In the general form of a regression equation given by Y = a + bX,the letter X represents _____.

Which of the following statistical measures indicates the average deviation of scores from the mean?

The advantage of reporting effect size is that it:

Which of the following statements is true about path coefficients?

Which of the following statements is true about standard deviation?

The _____ is a measure of variability that is simply the difference between the highest score and the lowest score.

Three celebrity judges rank the finalists of a reality show based on their musical talents.The judges rank the contestants in the order of the most talented to the least talented.Which type of measurement scale does this scenario exemplify?

Which of the following statements is true about bar graphs?

What happens when a correlation is nearer to 1.00 (plus or minus)?

Which of the following statements is true about effect size?

Multiple correlation is a technique for:

When researchers are interested in predicting some future behavior based on a person's score on some other variable,they should:

The _____ is an appropriate indicator of central tendency only when scores are measured on an interval or ratio scale.

Which of the following would be an appropriate measure of central tendency to summarize data on a nominal scale?

Scientific Understanding of Behavior

Where to Start

Ethics in Behavioral Research

Fundamental Research Issues

Measurement Concepts

Observational Methods

Asking People About Themselves: Survey Research

Experimental Design

Conducting Experiments

Complex Experimental Designs

Single-Case, Quasi-Experimental, and Developmental Research

Understanding Research Results: Statistical Inference

Generalization

Filters

Exam 12: Understanding Research Results: Description and Correlation

Workers at an automobile repair shop report that half of the automobiles they repair have a resale value below $8000.In this example,which measure of central tendency does the $8000 represent?

The Pearson product-moment correlation coefficient:

In assessing the relationship between variable X and variable Y,the squared value of the correlation coefficient (r2)is sometimes reported.This value represents:

The scores obtained by five college students in a test are 25,25,30,35,and 40.What is the mean for this set of scores?

A researcher finds that the correlation between two variables is +.63,but this correlation drops to +.20 when a third variable is partialed out.In this case,the researcher should conclude that the third variable:

A multiple correlation is the correlation between a combined set of _____ variables and a single _____ variable.

In the general form of a regression equation given by Y = a + bX,the letter X represents _____.

Which of the following statistical measures indicates the average deviation of scores from the mean?

The advantage of reporting effect size is that it:

Which of the following statements is true about path coefficients?

Which of the following statements is true about standard deviation?

The _____ is a measure of variability that is simply the difference between the highest score and the lowest score.

Three celebrity judges rank the finalists of a reality show based on their musical talents.The judges rank the contestants in the order of the most talented to the least talented.Which type of measurement scale does this scenario exemplify?

Which of the following statements is true about bar graphs?

What happens when a correlation is nearer to 1.00 (plus or minus)?

Which of the following statements is true about effect size?

Multiple correlation is a technique for:

When researchers are interested in predicting some future behavior based on a person's score on some other variable,they should:

The _____ is an appropriate indicator of central tendency only when scores are measured on an interval or ratio scale.

Which of the following would be an appropriate measure of central tendency to summarize data on a nominal scale?

Scientific Understanding of Behavior

Where to Start

Ethics in Behavioral Research

Fundamental Research Issues

Measurement Concepts

Observational Methods

Asking People About Themselves: Survey Research

Experimental Design

Conducting Experiments

Complex Experimental Designs

Single-Case, Quasi-Experimental, and Developmental Research

Understanding Research Results: Statistical Inference

Generalization

Filters

In assessing the relationship between variable X and variable Y,the squared value of the correlation coefficient (r²)is sometimes reported.This value represents:

A multiple correlation is the correlation between a combined set of _ variables and a single _ variable.