Question 1

When a psychologist sets up a hypothesis testing problem,the intent is to

Accepted Answer

A) determine whether the predicted behavior will occur. 
B) determine whether the opposite of the predicted behavior will occur. 
C) test for two effects,the predicted behavior and the opposite behavior. 
D) test the difference between two populations,regardless of the predicted behavior. 
A) determine whether the predicted behavior will occur. 
B) determine whether the opposite of the predicted behavior will occur. 
C) test for two effects,the predicted behavior and the opposite behavior. 
D) test the difference between two populations,regardless of the predicted behavior.

Question 2

"People who spend a great deal of time on the beach have more eye problems than people in general" is the __________ hypothesis.

Accepted Answer

The answer of "People who spend a great deal of...

Question 3

If you set alpha to .01 and are conducting a two-tailed test,what value do you need to look up in the normal curve table to determine the cutoff Z score on the comparison distribution?

Accepted Answer

A) .020 
B) .010 
C) .005 
D) .001 
A) .020 
B) .010 
C) .005 
D) .001

Question 4

If a psychologist tests whether there is any difference between how fast people work in the morning versus how fast they work in the evening,the null hypothesis is that

Accepted Answer

A) people who work in the morning work faster. 
B) people who work at night work faster. 
C) there is a difference in worker speed,but no prediction is made. 
D) there is no difference in the speed at which people work. 
A) people who work in the morning work faster. 
B) people who work at night work faster. 
C) there is a difference in worker speed,but no prediction is made. 
D) there is no difference in the speed at which people work.

Question 5

If the cutoff sample score is set for the most extreme 5% of the comparison distribution,then 5% is called the __________ level.

Accepted Answer

The answer of If the cutoff sample score is set...

Question 6

When you have a directional hypothesis,the most conservative way to test it would be to use a(n)

Accepted Answer

A) one-tailed test in the predicted direction. 
B) one-tailed test in the opposite-of-that-predicted direction. 
C) one-tailed test,with the region of rejection in the positive tail. 
D) two-tailed test. 
A) one-tailed test in the predicted direction. 
B) one-tailed test in the opposite-of-that-predicted direction. 
C) one-tailed test,with the region of rejection in the positive tail. 
D) two-tailed test.

Question 7

If the cutoff Z score on the comparison distribution is 1.64 and the sample Z score is 1.32 on the comparison distribution,the correct decision is to

Accepted Answer

A) fail to reject the null hypothesis. 
B) reject the null hypothesis. 
C) accept the research hypothesis. 
D) reject the research hypothesis. 
A) fail to reject the null hypothesis. 
B) reject the null hypothesis. 
C) accept the research hypothesis. 
D) reject the research hypothesis.

Question 8

"People who spend a great deal of time on the beach do not have more eye problems than people in general" is the __________ hypothesis.

Accepted Answer

null The questions below (# 52 - 54)are

Question 9

When a result is not statistically significant,the correct decision is to

Accepted Answer

A) fail to reject the null hypothesis. 
B) reject the null hypothesis. 
C) fail to reject the research hypothesis. 
D) reject the research hypothesis. 
A) fail to reject the null hypothesis. 
B) reject the null hypothesis. 
C) fail to reject the research hypothesis. 
D) reject the research hypothesis.

Question 10

The correct argument for using a one-tailed test when there is a clear basis for predicting a result in a given direction is that

Accepted Answer

A) the underlying mathematics of one-tailed tests are more accurate. 
B) if the result is opposite to the prediction,the researcher can still do a two-tailed test later. 
C) it is more conservative in that one-tailed tests make rejecting the null hypothesis harder. 
D) it is less conservative in that one-tailed tests make rejecting the null hypothesis easier. 
A) the underlying mathematics of one-tailed tests are more accurate. 
B) if the result is opposite to the prediction,the researcher can still do a two-tailed test later. 
C) it is more conservative in that one-tailed tests make rejecting the null hypothesis harder. 
D) it is less conservative in that one-tailed tests make rejecting the null hypothesis easier.

Question 11

A health psychologist is interested in the effectiveness of a new exercise on reducing the rate of heart attacks because the exercise requires no equipment and, therefore, can be done without cost.
-What is the comparison distribution?

Accepted Answer

A) the distribution of people who participate in the exercise program 
B) the distribution of people who do not participate in the exercise program 
C) the distribution of people who have heart attacks 
D) the distribution of people who do not have heart attacks 
A) the distribution of people who participate in the exercise program 
B) the distribution of people who do not participate in the exercise program 
C) the distribution of people who have heart attacks 
D) the distribution of people who do not have heart attacks

When a psychologist sets up a hypothesis testing problem,the intent is to

"People who spend a great deal of time on the beach have more eye problems than people in general" is the __________ hypothesis.

If you set alpha to .01 and are conducting a two-tailed test,what value do you need to look up in the normal curve table to determine the cutoff Z score on the comparison distribution?

If a psychologist tests whether there is any difference between how fast people work in the morning versus how fast they work in the evening,the null hypothesis is that

If the cutoff sample score is set for the most extreme 5% of the comparison distribution,then 5% is called the __________ level.

When you have a directional hypothesis,the most conservative way to test it would be to use a(n)

If the cutoff Z score on the comparison distribution is 1.64 and the sample Z score is 1.32 on the comparison distribution,the correct decision is to

"People who spend a great deal of time on the beach do not have more eye problems than people in general" is the __________ hypothesis.

When a result is not statistically significant,the correct decision is to

The correct argument for using a one-tailed test when there is a clear basis for predicting a result in a given direction is that

A health psychologist is interested in the effectiveness of a new exercise on reducing the rate of heart attacks because the exercise requires no equipment and, therefore, can be done without cost. -What is the comparison distribution?

Displaying the Order in a Group of Numbers

Central Tendency and Variability

Some Key Ingredients for Inferential Statistics: Z Scores,the Normal Curve, Sample Versus Population, and Probability

Hypothesis Tests With Means of Samples

Making Sense of Statistical Significance:decision Errors, Effect Size, and Statistical Power

Introduction to T Tests: Single Sample and Dependent Means

The T Test for Independent Means

Introduction to the Analysis of Variance

Factorial Analysis of Variance

Correlation

Prediction

Chi-Square Tests

Strategies When Population Distributions Are Not Normal: Data Transformations and Rank-Order Tests

The General Linear Model and Making Sense of Advanced Statistical Procedures in Research Articles

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Exam 4: Introduction to Hypothesis Testing

When a psychologist sets up a hypothesis testing problem,the intent is to

"People who spend a great deal of time on the beach have more eye problems than people in general" is the __________ hypothesis.

If you set alpha to .01 and are conducting a two-tailed test,what value do you need to look up in the normal curve table to determine the cutoff Z score on the comparison distribution?

If a psychologist tests whether there is any difference between how fast people work in the morning versus how fast they work in the evening,the null hypothesis is that

If the cutoff sample score is set for the most extreme 5% of the comparison distribution,then 5% is called the __________ level.

When you have a directional hypothesis,the most conservative way to test it would be to use a(n)

If the cutoff Z score on the comparison distribution is 1.64 and the sample Z score is 1.32 on the comparison distribution,the correct decision is to

"People who spend a great deal of time on the beach do not have more eye problems than people in general" is the __________ hypothesis.

When a result is not statistically significant,the correct decision is to

The correct argument for using a one-tailed test when there is a clear basis for predicting a result in a given direction is that

A health psychologist is interested in the effectiveness of a new exercise on reducing the rate of heart attacks because the exercise requires no equipment and, therefore, can be done without cost. -What is the comparison distribution?

Displaying the Order in a Group of Numbers

Central Tendency and Variability

Some Key Ingredients for Inferential Statistics: Z Scores,the Normal Curve, Sample Versus Population, and Probability

Hypothesis Tests With Means of Samples

Making Sense of Statistical Significance:decision Errors, Effect Size, and Statistical Power

Introduction to T Tests: Single Sample and Dependent Means

The T Test for Independent Means

Introduction to the Analysis of Variance

Factorial Analysis of Variance

Correlation

Prediction

Chi-Square Tests

Strategies When Population Distributions Are Not Normal: Data Transformations and Rank-Order Tests

The General Linear Model and Making Sense of Advanced Statistical Procedures in Research Articles

Filters