Question 1

The most common measure of central tendency is the

Accepted Answer

A)  frequency distribution. 
B)  mean. 
C)  standard deviation. 
D)  median. 
A)  frequency distribution. 
B)  mean. 
C)  standard deviation. 
D)  median.

Question 2

Describe the experimental method, and the advantages and disadvantages associated with laboratory and field experiments.

Accepted Answer

The experimental method involves conduct

Question 3

In a normal distribution, the median and the mode are the same number.

Accepted Answer

A) True 
 B)False

Question 4

The main benefit of random sampling is

Accepted Answer

A)  it is always more informative than stratified sampling. 
B)  it protects against biases in the selection of participants for study. 
C)  it is very flexible and follows very loose guidelines. 
D)  it is most frequently used by scientists. 
A)  it is always more informative than stratified sampling. 
B)  it protects against biases in the selection of participants for study. 
C)  it is very flexible and follows very loose guidelines. 
D)  it is most frequently used by scientists.

Question 5

A simple statistical test commonly used to test the difference between the means of two groups on some dependent variable is the

Accepted Answer

A)  correlation coefficient. 
B)  t-test. 
C)  multivariate analysis of variance. 
D)  standard deviation. 
A)  correlation coefficient. 
B)  t-test. 
C)  multivariate analysis of variance. 
D)  standard deviation.

Question 6

An extraneous variable in the Hawthorne studies was

Accepted Answer

A)  the increase in the intensity of the lighting. 
B)  the attention paid to the assemblers by the researchers. 
C)  the group of employees who experienced the change in working conditions. 
D)  All of the above 
A)  the increase in the intensity of the lighting. 
B)  the attention paid to the assemblers by the researchers. 
C)  the group of employees who experienced the change in working conditions. 
D)  All of the above

Question 7

Because the correlational method does not require the rigid control over variables associated with the experimental method,

Accepted Answer

A)  it is less scientific than experimentation. 
B)  it is easy to use in actual work settings. 
C)  any type of measurement may be used. 
D)  cause-and-effect relationships are easily established. 
A)  it is less scientific than experimentation. 
B)  it is easy to use in actual work settings. 
C)  any type of measurement may be used. 
D)  cause-and-effect relationships are easily established.

Question 8

Sampling refers to

Accepted Answer

A)  the selection of a population to be studied. 
B)  the selection of one hypothesis from several proposed hypotheses. 
C)  the selection of a representative group from a large population. 
D)  the inclusion of all members of a population in a particular study. 
A)  the selection of a population to be studied. 
B)  the selection of one hypothesis from several proposed hypotheses. 
C)  the selection of a representative group from a large population. 
D)  the inclusion of all members of a population in a particular study.

Question 9

Describe the steps in the research process.

Accepted Answer

The research process typically involves

Question 10

Dr. Ob has been hired to evaluate the effectiveness of the XYZ company's training program in increasing worker productivity. In this example, the dependent variable is

Accepted Answer

A)  the XYZ company. 
B)  the training program. 
C)  worker productivity. 
D)  monetary costs of the training program 
A)  the XYZ company. 
B)  the training program. 
C)  worker productivity. 
D)  monetary costs of the training program

Question 11

One limitation of the correlational method is

Accepted Answer

A)  it is very difficult to use. 
B)  it is usually costly and time-consuming. 
C)  it is difficult to determine cause-and-effect relationships. 
D)  it can only be used in controlled, laboratory-like conditions. 
A)  it is very difficult to use. 
B)  it is usually costly and time-consuming. 
C)  it is difficult to determine cause-and-effect relationships. 
D)  it can only be used in controlled, laboratory-like conditions.

Question 12

A key overriding theme of social science research methodology and of scientific research methods is

Accepted Answer

A)  applicability. 
B)  relevance. 
C)  objectivity. 
D)  prediction. 
A)  applicability. 
B)  relevance. 
C)  objectivity. 
D)  prediction.

Question 13

The basic goals of any science in general and of I/O psychology in particular are to

Accepted Answer

A)  understand and accept phenomena. 
B)  describe, explain, and predict phenomena. 
C)  observe, communicate, and interrelate scientific principles. 
D)  act as a scientist and react to the scientific findings of others. 
A)  understand and accept phenomena. 
B)  describe, explain, and predict phenomena. 
C)  observe, communicate, and interrelate scientific principles. 
D)  act as a scientist and react to the scientific findings of others.

Question 14

The experimental method is designed to

Accepted Answer

A)  give the researcher a very high degree of control over the research setting. 
B)  increase the objectivity of the researcher. 
C)  examine relationships between variables as they naturally occur. 
D)  establish correlational relationships between variables. 
A)  give the researcher a very high degree of control over the research setting. 
B)  increase the objectivity of the researcher. 
C)  examine relationships between variables as they naturally occur. 
D)  establish correlational relationships between variables.

Question 15

A statistical technique that allows the results from several research investigations to be combined and summarized is called

Accepted Answer

A)  a factor analysis. 
B)  a t-test. 
C)  analysis of variance. 
D)  a meta-analysis. 
A)  a factor analysis. 
B)  a t-test. 
C)  analysis of variance. 
D)  a meta-analysis.

Question 16

To test the effectiveness of a new training program for sales skills, a randomly selected group of salespeople receives training and another randomly selected group receives no training. The independent variable consists of

Accepted Answer

A)  the amount of sales for each of the groups. 
B)  the group of salespeople who received the training. 
C)  the group of salespeople who did not receive the training. 
D)  whether or not the salespeople received the training. 
A)  the amount of sales for each of the groups. 
B)  the group of salespeople who received the training. 
C)  the group of salespeople who did not receive the training. 
D)  whether or not the salespeople received the training.

Question 17

The key to the success of the experimental method is

Accepted Answer

A)  to randomly select a very large sample of participants. 
B)  to hold all extraneous variables constant. 
C)  to manipulate as many variables as possible. 
D)  to allow extraneous variables to only influence the treatment group. 
A)  to randomly select a very large sample of participants. 
B)  to hold all extraneous variables constant. 
C)  to manipulate as many variables as possible. 
D)  to allow extraneous variables to only influence the treatment group.

Question 18

The independent variable is the variable that is

Accepted Answer

A)  the outcome variable. 
B)  manipulated by the researcher. 
C)  measured by the researcher. 
D)  ignored in most experiments. 
A)  the outcome variable. 
B)  manipulated by the researcher. 
C)  measured by the researcher. 
D)  ignored in most experiments.

Question 19

A stratified sample is one in which

Accepted Answer

A)  subjects are selected around important variables that divide a population into subgroups. 
B)  subjects are selected by drawing names out of a hat. 
C)  either males or females, but not both, are included. 
D)  only volunteers are used. 
A)  subjects are selected around important variables that divide a population into subgroups. 
B)  subjects are selected by drawing names out of a hat. 
C)  either males or females, but not both, are included. 
D)  only volunteers are used.

Question 20

A researcher takes care to select participants for a study that represent the ethnic and age breakdowns of the population at large. This is an example of stratified sampling.

Accepted Answer

A) True 
 B)False

The most common measure of central tendency is the

Describe the experimental method, and the advantages and disadvantages associated with laboratory and field experiments.

In a normal distribution, the median and the mode are the same number.

The main benefit of random sampling is

A simple statistical test commonly used to test the difference between the means of two groups on some dependent variable is the

An extraneous variable in the Hawthorne studies was

Because the correlational method does not require the rigid control over variables associated with the experimental method,

Sampling refers to

Describe the steps in the research process.

Dr. Ob has been hired to evaluate the effectiveness of the XYZ company's training program in increasing worker productivity. In this example, the dependent variable is

One limitation of the correlational method is

A key overriding theme of social science research methodology and of scientific research methods is

The basic goals of any science in general and of I/O psychology in particular are to

The experimental method is designed to

A statistical technique that allows the results from several research investigations to be combined and summarized is called

To test the effectiveness of a new training program for sales skills, a randomly selected group of salespeople receives training and another randomly selected group receives no training. The independent variable consists of

The key to the success of the experimental method is

The independent variable is the variable that is

A stratified sample is one in which

A researcher takes care to select participants for a study that represent the ethnic and age breakdowns of the population at large. This is an example of stratified sampling.

Introduction: Definitions and History

Job Analysis

Employee Recruitment, Selection, and Placement

Methods for Assessing and Selecting Employees

Evaluating Employee Performance

Employee Training and Development

Motivation

Positive Employee Attitudes and Behaviors

Worker Stress and Negative Employee Attitudes Behaviors

Communication in the Work Place

Group Processes in Work Organizations

Leadership

Influence, Power, and Politics

Organizational Structure, Culture, and Development

Filters

Exam 2: Research Methods in Industrialorganizational Psychology

The most common measure of central tendency is the

Describe the experimental method, and the advantages and disadvantages associated with laboratory and field experiments.

In a normal distribution, the median and the mode are the same number.

The main benefit of random sampling is

A simple statistical test commonly used to test the difference between the means of two groups on some dependent variable is the

An extraneous variable in the Hawthorne studies was

Because the correlational method does not require the rigid control over variables associated with the experimental method,

Sampling refers to

Describe the steps in the research process.

Dr. Ob has been hired to evaluate the effectiveness of the XYZ company's training program in increasing worker productivity. In this example, the dependent variable is

One limitation of the correlational method is

A key overriding theme of social science research methodology and of scientific research methods is

The basic goals of any science in general and of I/O psychology in particular are to

The experimental method is designed to

A statistical technique that allows the results from several research investigations to be combined and summarized is called

To test the effectiveness of a new training program for sales skills, a randomly selected group of salespeople receives training and another randomly selected group receives no training. The independent variable consists of

The key to the success of the experimental method is

The independent variable is the variable that is

A stratified sample is one in which

A researcher takes care to select participants for a study that represent the ethnic and age breakdowns of the population at large. This is an example of stratified sampling.

Introduction: Definitions and History

Job Analysis

Employee Recruitment, Selection, and Placement

Methods for Assessing and Selecting Employees

Evaluating Employee Performance

Employee Training and Development

Motivation

Positive Employee Attitudes and Behaviors

Worker Stress and Negative Employee Attitudes Behaviors

Communication in the Work Place

Group Processes in Work Organizations

Leadership

Influence, Power, and Politics

Organizational Structure, Culture, and Development

Filters