Question 1

The concept of nonequivalent groups means ____.

Accepted Answer

A)  the researcher cannot control which people go into each group and cannot ensure that the groups are equivalent 
B)  the two groups have completely different characteristics 
C)  the researcher has randomly assigned people to groups so there is no guarantee that the groups are equal 
D)  the number of participants is different from one group to another 
A)  the researcher cannot control which people go into each group and cannot ensure that the groups are equivalent 
B)  the two groups have completely different characteristics 
C)  the researcher has randomly assigned people to groups so there is no guarantee that the groups are equal 
D)  the number of participants is different from one group to another

Question 2

Describe the similarities and differences between experiments and nonexperiments or quasi-experiments.

Accepted Answer

Nonexperimental and quasi-experimental s

Question 3

A researcher measures nicotine cravings in participants each day for one week before and for one week after the researcher begins a program designed to help patients quit smoking. This is an example of a(n) ____ design.

Accepted Answer

A)  time-series 
B)  interrupted time-series 
C)  equivalent time-samples 
D)  Pretest-posttest design 
A)  time-series 
B)  interrupted time-series 
C)  equivalent time-samples 
D)  Pretest-posttest design

Question 4

History effects occur in nonequivalent group designs because the groups probably have different participant characteristics.

Accepted Answer

A) True 
 B)False

Question 5

Which study illustrates a nonexperimental study?

Accepted Answer

A)  A study comparing self-esteem scores for children with a learning disability versus scores for children without a learning disability 
B)  A study comparing depression scores for one group that is assigned to receive a therapy versus another group that is assigned not to receive a therapy 
C)  A study comparing performance in a room where the walls have been painted yellow versus performance in a room painted blue 
D)  A study comparing cognitive functioning scores for one group of Alzheimer's patients who are assigned to receive memory therapy versus another group that is assigned not to receive therapy 
A)  A study comparing self-esteem scores for children with a learning disability versus scores for children without a learning disability 
B)  A study comparing depression scores for one group that is assigned to receive a therapy versus another group that is assigned not to receive a therapy 
C)  A study comparing performance in a room where the walls have been painted yellow versus performance in a room painted blue 
D)  A study comparing cognitive functioning scores for one group of Alzheimer's patients who are assigned to receive memory therapy versus another group that is assigned not to receive therapy

Question 6

The internal validity of the Pre-post designs is threatened by threats related to time.

Accepted Answer

A) True 
 B)False

Question 7

A researcher in Mississippi measured visits to the school counselor for a group of students for three weeks in the spring. In the fall, immediately after a major hurricane, the researcher again measured the students' counselor visits to see if there had been any change. This researcher is using an interrupted time-series design.

Accepted Answer

A) True 
 B)False

The concept of nonequivalent groups means ____.

Describe the similarities and differences between experiments and nonexperiments or quasi-experiments.

A researcher measures nicotine cravings in participants each day for one week before and for one week after the researcher begins a program designed to help patients quit smoking. This is an example of a(n) ____ design.

History effects occur in nonequivalent group designs because the groups probably have different participant characteristics.

Which study illustrates a nonexperimental study?

The internal validity of the Pre-post designs is threatened by threats related to time.

Introduction, Acquiring Knowledge, and the Scientific Method

Research Ideas and Hypotheses

Defining and Measuring Variables

Ethics in Research

Selecting Research Participants

Research Strategies and Validity

The Experimental Research Strategy

Experimental Designs: Between-Subjects Design

Experimental Designs: Within-Subjects Design

Factorial Designs

The Correlational Research Strategy

The Descriptive Research Strategy

Single-Case Experimental Research Designs

Statistical Evaluation of Data

Writing an Apa-Style Research Report

Filters

Exam 10: The Nonexperimental and Quasi-Experimental Strategies: Nonequivalent Group, Prepost, and Developmental Designs

The concept of nonequivalent groups means ____.

Describe the similarities and differences between experiments and nonexperiments or quasi-experiments.

A researcher measures nicotine cravings in participants each day for one week before and for one week after the researcher begins a program designed to help patients quit smoking. This is an example of a(n) ____ design.

History effects occur in nonequivalent group designs because the groups probably have different participant characteristics.

Which study illustrates a nonexperimental study?

The internal validity of the Pre-post designs is threatened by threats related to time.

Introduction, Acquiring Knowledge, and the Scientific Method

Research Ideas and Hypotheses

Defining and Measuring Variables

Ethics in Research

Selecting Research Participants

Research Strategies and Validity

The Experimental Research Strategy

Experimental Designs: Between-Subjects Design

Experimental Designs: Within-Subjects Design

Factorial Designs

The Correlational Research Strategy

The Descriptive Research Strategy

Single-Case Experimental Research Designs

Statistical Evaluation of Data

Writing an Apa-Style Research Report

Filters