Question 1

The larger the number of treatment conditions, the easier it is to completely counterbalance them.

Accepted Answer

A) True 
 B)False

Question 2

In studies with a group of individuals being tested in a series of treatment conditions, factors such as history, instrumentation, and maturation threaten ____.

Accepted Answer

A)  internal validity only 
B)  external validity only 
C)  both internal and external validity 
D)  neither internal nor external validity 
A)  internal validity only 
B)  external validity only 
C)  both internal and external validity 
D)  neither internal nor external validity

Question 3

A researcher would like to conduct an experiment, but is concerned about strong order effects. One solution is to use a ____.

Accepted Answer

A)  within-subjects design 
B)  between-subjects design 
C)  correlational design 
D)  descriptive strategy 
A)  within-subjects design 
B)  between-subjects design 
C)  correlational design 
D)  descriptive strategy

Question 4

Dr. Mias is conducting a study on the effect of meditation on the anxiety levels of elderly hospice patients; however, the patients' declining health affects their anxiety levels in between each measurement. Which threat to internal validity has confounded this study?

Accepted Answer

A)  History 
B)  Instrumentation 
C)  Maturation 
D)  Regression toward the mean 
A)  History 
B)  Instrumentation 
C)  Maturation 
D)  Regression toward the mean

Question 5

A researcher should increase the time between treatment conditions in a within-subjects experiment when he or she wants to decrease the threat of _____.

Accepted Answer

A)  history 
B)  fatigue 
C)  maturation 
D)  instrumentation 
A)  history 
B)  fatigue 
C)  maturation 
D)  instrumentation

Question 6

Order effects include ____.

Accepted Answer

A)  history and instrumentation effects 
B)  carryover and progressive error effects 
C)  maturation and regression effects 
D)  assignment bias and selection bias 
A)  history and instrumentation effects 
B)  carryover and progressive error effects 
C)  maturation and regression effects 
D)  assignment bias and selection bias

Question 7

What is the effect of counterbalancing?

Accepted Answer

A)  It eliminates order effects. 
B)  It spreads order effects evenly across the treatment conditions. 
C)  It eliminates individual differences. 
D)  It spreads individual differences evenly across treatment conditions. 
A)  It eliminates order effects. 
B)  It spreads order effects evenly across the treatment conditions. 
C)  It eliminates individual differences. 
D)  It spreads individual differences evenly across treatment conditions.

The larger the number of treatment conditions, the easier it is to completely counterbalance them.

In studies with a group of individuals being tested in a series of treatment conditions, factors such as history, instrumentation, and maturation threaten ____.

A researcher would like to conduct an experiment, but is concerned about strong order effects. One solution is to use a ____.

Dr. Mias is conducting a study on the effect of meditation on the anxiety levels of elderly hospice patients; however, the patients' declining health affects their anxiety levels in between each measurement. Which threat to internal validity has confounded this study?

A researcher should increase the time between treatment conditions in a within-subjects experiment when he or she wants to decrease the threat of _____.

Order effects include ____.

What is the effect of counterbalancing?

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

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

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 9: Experimental Designs: Within-Subjects Design

The larger the number of treatment conditions, the easier it is to completely counterbalance them.

In studies with a group of individuals being tested in a series of treatment conditions, factors such as history, instrumentation, and maturation threaten ____.

A researcher would like to conduct an experiment, but is concerned about strong order effects. One solution is to use a ____.

Dr. Mias is conducting a study on the effect of meditation on the anxiety levels of elderly hospice patients; however, the patients' declining health affects their anxiety levels in between each measurement. Which threat to internal validity has confounded this study?

A researcher should increase the time between treatment conditions in a within-subjects experiment when he or she wants to decrease the threat of _____.

Order effects include ____.

What is the effect of counterbalancing?

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

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

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