Question 1

There are 4 possible outcomes to any study.

Accepted Answer

A) True 
 B)False

Question 2

with a summary of research conducted by Dunn, Huntsinger, Lun, and Sinclair 2008).For this study, what would be the research hypothesis?

Accepted Answer

A) Men and women will not be different in how they respond to good and bad gifts. 
B) Men and women will be different in how they respond to good and bad gifts. 
C) Men and women will be different in how they respond to good gifts. 
D) Men and women will be different in how they respond to bad gifts. 
A) Men and women will not be different in how they respond to good and bad gifts. 
B) Men and women will be different in how they respond to good and bad gifts. 
C) Men and women will be different in how they respond to good gifts. 
D) Men and women will be different in how they respond to bad gifts.

Question 3

Skewed distributions are symmetrical.

Accepted Answer

A) True 
 B)False

Question 4

The __________ is the average of the scores in a data set.

Accepted Answer

A) mean 
B) median 
C) mode 
D) variance 
A) mean 
B) median 
C) mode 
D) variance

Question 5

Rejecting the null hypothesis when it is false is a correct decision.

Accepted Answer

A) True 
 B)False

Question 6

A Type I error occurs when a research rejects the null hypothesis when the null hypothesis is false.

Accepted Answer

A) True 
 B)False

Question 7

with a summary of research conducted by Dunn, Huntsinger, Lun, and Sinclair 2008).For this study, what would be the null hypothesis?

Accepted Answer

A) Men and women will not be different in how they respond to good and bad gifts. 
B) Men and women will be different in how they respond to good and bad gifts. 
C) Men and women will be different in how they respond to good gifts. 
D) Men and women will be different in how they respond to bad gifts. 
A) Men and women will not be different in how they respond to good and bad gifts. 
B) Men and women will be different in how they respond to good and bad gifts. 
C) Men and women will be different in how they respond to good gifts. 
D) Men and women will be different in how they respond to bad gifts.

Question 8

A Bonferroni correction is used to limit the possibility of making a Type II error.

Accepted Answer

A) True 
 B)False

Question 9

The __________ is the most frequently occurring number in the data set.

Accepted Answer

A) mean 
B) median 
C) mode 
D) variance 
A) mean 
B) median 
C) mode 
D) variance

Question 10

Alpha is __________.

Accepted Answer

A) the level of significance. 
B) the probability of obtaining data assuming the null is true. 
C) the probability of obtaining data assuming the null is false. 
D) Both A and B. 
A) the level of significance. 
B) the probability of obtaining data assuming the null is true. 
C) the probability of obtaining data assuming the null is false. 
D) Both A and B.

Question 11

The __________ t-test is used to determine whether or not two means are significantly different from one another.

Accepted Answer

A) independent 
B) one-sample 
C) paired-samples 
D) dependent 
A) independent 
B) one-sample 
C) paired-samples 
D) dependent

Question 12

The lower the obtained p-value, the less likely the obtained differences in the results are due to the manipulation of the study.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following statements is false?

Accepted Answer

A) In a normal distribution, the mean, median, and mode are the same. 
B) In a normal distribution, most scores cluster around the center. 
C) In a normal distribution, there are an equal number of low and high scores. 
D) In a normal distribution, the scores are asymmetrical. 
A) In a normal distribution, the mean, median, and mode are the same. 
B) In a normal distribution, most scores cluster around the center. 
C) In a normal distribution, there are an equal number of low and high scores. 
D) In a normal distribution, the scores are asymmetrical.

Question 14

Descriptive statistics describe data sets.

Accepted Answer

A) True 
 B)False

Question 15

Failing to reject the null hypothesis when it is

Accepted Answer

A) True 
 B)False

Question 16

A Type I error occurs when a researcher rejects the null hypothesis when the null hypothesis is true.

Accepted Answer

A) True 
 B)False

Question 17

You asked students in your class to indicate how much of a morning person they are on a scale from 1 to 10, with 1 indicating "not at all" and 10 indicating "very much." Your responses were: 8, 8, 6, 4, 5, 2, 2, 8, and 7.Calculate the mode for these scores.

Accepted Answer

A) 2 
B) 4 
C) 5 
D) 8 
A) 2 
B) 4 
C) 5 
D) 8

Question 18

A researcher fails to reject the null hypothesis when there is a statistically significant difference between the means of the groups in a study.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is a correct decision?

Accepted Answer

A) Fail to reject the null hypothesis when it is true 
B) reject the null hypothesis when it is true 
C) fail to reject the null hypothesis when it is false 
D) none of the above 
A) Fail to reject the null hypothesis when it is true 
B) reject the null hypothesis when it is true 
C) fail to reject the null hypothesis when it is false 
D) none of the above

Question 20

Which of the following statements is false?

Accepted Answer

A) Replication plays a limited role in the field. 
B) The original researcher can conduct a replication. 
C) A different researcher can conduct a replication. 
D) Replications utilize the same methodology as the original study. 
A) Replication plays a limited role in the field. 
B) The original researcher can conduct a replication. 
C) A different researcher can conduct a replication. 
D) Replications utilize the same methodology as the original study.

There are 4 possible outcomes to any study.

with a summary of research conducted by Dunn, Huntsinger, Lun, and Sinclair 2008).For this study, what would be the research hypothesis?

Skewed distributions are symmetrical.

The __________ is the average of the scores in a data set.

Rejecting the null hypothesis when it is false is a correct decision.

A Type I error occurs when a research rejects the null hypothesis when the null hypothesis is false.

with a summary of research conducted by Dunn, Huntsinger, Lun, and Sinclair 2008).For this study, what would be the null hypothesis?

A Bonferroni correction is used to limit the possibility of making a Type II error.

The __________ is the most frequently occurring number in the data set.

Alpha is __________.

The __________ t-test is used to determine whether or not two means are significantly different from one another.

The lower the obtained p-value, the less likely the obtained differences in the results are due to the manipulation of the study.

Which of the following statements is false?

Descriptive statistics describe data sets.

Failing to reject the null hypothesis when it is

A Type I error occurs when a researcher rejects the null hypothesis when the null hypothesis is true.

You asked students in your class to indicate how much of a morning person they are on a scale from 1 to 10, with 1 indicating "not at all" and 10 indicating "very much." Your responses were: 8, 8, 6, 4, 5, 2, 2, 8, and 7.Calculate the mode for these scores.

A researcher fails to reject the null hypothesis when there is a statistically significant difference between the means of the groups in a study.

Which of the following is a correct decision?

Which of the following statements is false?

Psychology As a Science

Goals and Methods of Psychology

Ethics

Nonexperimental Research Methods

Variables, Reliability, and Validity

Hypothesis Testing

Selection of Variables, Operational Definitions, and Measurements Issues

Selection and Assignment of Participants

Controls and Threats to Interval Validity

Between Subjects Designs

Within Subjects Designs

Factorial Designs

Singe Case Designs

Apa Style: Sixth Edition

Filters

Exam 14: Hypothesis Testing Revisited and Interpreting Results

There are 4 possible outcomes to any study.

with a summary of research conducted by Dunn, Huntsinger, Lun, and Sinclair 2008).For this study, what would be the research hypothesis?

Skewed distributions are symmetrical.

The __________ is the average of the scores in a data set.

Rejecting the null hypothesis when it is false is a correct decision.

A Type I error occurs when a research rejects the null hypothesis when the null hypothesis is false.

with a summary of research conducted by Dunn, Huntsinger, Lun, and Sinclair 2008).For this study, what would be the null hypothesis?

A Bonferroni correction is used to limit the possibility of making a Type II error.

The __________ is the most frequently occurring number in the data set.

Alpha is __________.

The __________ t-test is used to determine whether or not two means are significantly different from one another.

The lower the obtained p-value, the less likely the obtained differences in the results are due to the manipulation of the study.

Which of the following statements is false?

Descriptive statistics describe data sets.

Failing to reject the null hypothesis when it is

A Type I error occurs when a researcher rejects the null hypothesis when the null hypothesis is true.

You asked students in your class to indicate how much of a morning person they are on a scale from 1 to 10, with 1 indicating "not at all" and 10 indicating "very much." Your responses were: 8, 8, 6, 4, 5, 2, 2, 8, and 7.Calculate the mode for these scores.

A researcher fails to reject the null hypothesis when there is a statistically significant difference between the means of the groups in a study.

Which of the following is a correct decision?

Which of the following statements is false?

Psychology As a Science

Goals and Methods of Psychology

Ethics

Nonexperimental Research Methods

Variables, Reliability, and Validity

Hypothesis Testing

Selection of Variables, Operational Definitions, and Measurements Issues

Selection and Assignment of Participants

Controls and Threats to Interval Validity

Between Subjects Designs

Within Subjects Designs

Factorial Designs

Singe Case Designs

Apa Style: Sixth Edition

Filters