Question 1

The ___________ is the standard deviation of sample means.

Accepted Answer

A)  absolute mean deviation 
B)  central dendency 
C)  point biserial 
D)  standard error 
A)  absolute mean deviation 
B)  central dendency 
C)  point biserial 
D)  standard error

Question 2

A conservative statistical test is one that

Accepted Answer

A)  minimizes both Type I and Type II errors. 
B)  minimizes Type I errors, but increases the chance of Type II errors. 
C)  minimizes Type II errors, but increases the chance of Type I errors. 
D)  increases the chance of both Type I and II errors. 
A)  minimizes both Type I and Type II errors. 
B)  minimizes Type I errors, but increases the chance of Type II errors. 
C)  minimizes Type II errors, but increases the chance of Type I errors. 
D)  increases the chance of both Type I and II errors.

Question 3

The Mann-Whitney U test can only be used for between-subject designs and the Wilcoxon signed-ranks test can only be used for related measures designs.

Accepted Answer

A) True 
 B)False

Question 4

In a histogram, the values for the dependent variable are displayed on the ordinate (Y-axis) and the frequency with which each value of the dependent value occurred is displayed on the abscissa (X-axis).

Accepted Answer

A) True 
 B)False

Question 5

The standard error of the mean is the square root of the mean.

Accepted Answer

A) True 
 B)False

Question 6

In comparison with one-tailed tests, two-tailed tests are

Accepted Answer

A)  less conservative. 
B)  more conservative. 
C)  less likely to lead to a Type II error. 
D)  more likely to lead to a Type I error. 
A)  less conservative. 
B)  more conservative. 
C)  less likely to lead to a Type II error. 
D)  more likely to lead to a Type I error.

Question 7

Failing to reject the null hypothesis when it is actually false is a

Accepted Answer

A)  Type I error. 
B)  Type II error. 
C)  standard error. 
D)  silly thing to do. 
A)  Type I error. 
B)  Type II error. 
C)  standard error. 
D)  silly thing to do.

Question 8

An advantage of the median over the mean is that the median is

Accepted Answer

A)  easier to calculate. 
B)  more sensitive to each of the sample scores. 
C)  a measure of dispersion. 
D)  less influenced by extreme scores.. 
A)  easier to calculate. 
B)  more sensitive to each of the sample scores. 
C)  a measure of dispersion. 
D)  less influenced by extreme scores..

Question 9

Failing to reject the null hypothesis when it is actually true is a

Accepted Answer

A)  Type I error. 
B)  Type II error. 
C)  reasonable thing to do. 
D)  result of an inappropriate level of confidence. 
A)  Type I error. 
B)  Type II error. 
C)  reasonable thing to do. 
D)  result of an inappropriate level of confidence.

Question 10

What are type I and type II errors? Under what conditions would you be willing to risk a type I error?

Accepted Answer

Type I and type II errors are concepts r

Question 11

The number of participants in a study is denoted by

Accepted Answer

A)  s. 
B)  n. 
C)  z. 
D)  r. 
A)  s. 
B)  n. 
C)  z. 
D)  r.

The ___________ is the standard deviation of sample means.

A conservative statistical test is one that

The Mann-Whitney U test can only be used for between-subject designs and the Wilcoxon signed-ranks test can only be used for related measures designs.

In a histogram, the values for the dependent variable are displayed on the ordinate (Y-axis) and the frequency with which each value of the dependent value occurred is displayed on the abscissa (X-axis).

The standard error of the mean is the square root of the mean.

In comparison with one-tailed tests, two-tailed tests are

Failing to reject the null hypothesis when it is actually false is a

An advantage of the median over the mean is that the median is

Failing to reject the null hypothesis when it is actually true is a

What are type I and type II errors? Under what conditions would you be willing to risk a type I error?

The number of participants in a study is denoted by

Explanation in Scientific Psychology

Research Techniques: Observation and Correlation

Research Techniques: Experiments

Ethics in Psychological Research

How to Read and Write Research Reports

Psychophysics

Perception

Attention and Reaction Time

Learning and Conditioning

Remembering and Forgetting

Thinking and Problem Solving

Individual Differences and Development

Social Psychology

Environmental Psychology

Human Factors

Experimental Psychology: A Historical Sketch

Filters

Exam 17: Statistical Reasoning: An Introduction

The ___________ is the standard deviation of sample means.

A conservative statistical test is one that

The Mann-Whitney U test can only be used for between-subject designs and the Wilcoxon signed-ranks test can only be used for related measures designs.

In a histogram, the values for the dependent variable are displayed on the ordinate (Y-axis) and the frequency with which each value of the dependent value occurred is displayed on the abscissa (X-axis).

The standard error of the mean is the square root of the mean.

In comparison with one-tailed tests, two-tailed tests are

Failing to reject the null hypothesis when it is actually false is a

An advantage of the median over the mean is that the median is

Failing to reject the null hypothesis when it is actually true is a

What are type I and type II errors? Under what conditions would you be willing to risk a type I error?

The number of participants in a study is denoted by

Explanation in Scientific Psychology

Research Techniques: Observation and Correlation

Research Techniques: Experiments

Ethics in Psychological Research

How to Read and Write Research Reports

Psychophysics

Perception

Attention and Reaction Time

Learning and Conditioning

Remembering and Forgetting

Thinking and Problem Solving

Individual Differences and Development

Social Psychology

Environmental Psychology

Human Factors

Experimental Psychology: A Historical Sketch

Filters