Question 1

Which question is best addressed with the correlational strategy?

Accepted Answer

A)  What is the average number of hours of sleep that a typical college student gets each night? 
B)  Is there a relationship between the amount of sleep that college students get each night and the GPA of those college students? 
C)  Does increasing the hours of sleep college students get each night cause an increase in GPA? 
D)  What career choices are most popular among students with high GPAs? 
A)  What is the average number of hours of sleep that a typical college student gets each night? 
B)  Is there a relationship between the amount of sleep that college students get each night and the GPA of those college students? 
C)  Does increasing the hours of sleep college students get each night cause an increase in GPA? 
D)  What career choices are most popular among students with high GPAs?

Question 2

Variables related to ________ are potential threats to the internal validity of every study.

Accepted Answer

A)  time between treatments 
B)  pretest sensitization 
C)  fatigue and practice 
D)  the environment of the study 
A)  time between treatments 
B)  pretest sensitization 
C)  fatigue and practice 
D)  the environment of the study

Question 3

The results of a study may be influenced by the experimenter's expectations regarding the outcome of the study. This artifact is known as ____.

Accepted Answer

A)  reactivity 
B)  novelty 
C)  experimenter bias 
D)  volunteerism 
A)  reactivity 
B)  novelty 
C)  experimenter bias 
D)  volunteerism

Question 4

A research ____ is a general approach that is intended to address a specific question.

Accepted Answer

A)  procedure 
B)  design 
C)  strategy 
D)  protocol 
A)  procedure 
B)  design 
C)  strategy 
D)  protocol

Question 5

Define external validity in research design. Describe in detail one threat to the external validity of a research study. Be sure to specify how that characteristic is a threat to external validity.

Accepted Answer

External validity is the degree to which

Question 6

If the participants in one treatment condition are noticeably older than the participants in another treatment condition, then participant age is a confounding variable.

Accepted Answer

A) True 
 B)False

Which question is best addressed with the correlational strategy?

Variables related to ________ are potential threats to the internal validity of every study.

The results of a study may be influenced by the experimenter's expectations regarding the outcome of the study. This artifact is known as ____.

A research ____ is a general approach that is intended to address a specific question.

Define external validity in research design. Describe in detail one threat to the external validity of a research study. Be sure to specify how that characteristic is a threat to external validity.

If the participants in one treatment condition are noticeably older than the participants in another treatment condition, then participant age is a confounding variable.

Introduction, Acquiring Knowledge, and the Scientific Method

Research Ideas and Hypotheses

Defining and Measuring Variables

Ethics in Research

Selecting Research Participants

The Experimental Research Strategy

Experimental Designs: Between-Subjects Design

Experimental Designs: Within-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 6: Research Strategies and Validity

Which question is best addressed with the correlational strategy?

Variables related to ________ are potential threats to the internal validity of every study.

The results of a study may be influenced by the experimenter's expectations regarding the outcome of the study. This artifact is known as ____.

A research ____ is a general approach that is intended to address a specific question.

Define external validity in research design. Describe in detail one threat to the external validity of a research study. Be sure to specify how that characteristic is a threat to external validity.

If the participants in one treatment condition are noticeably older than the participants in another treatment condition, then participant age is a confounding variable.

Introduction, Acquiring Knowledge, and the Scientific Method

Research Ideas and Hypotheses

Defining and Measuring Variables

Ethics in Research

Selecting Research Participants

The Experimental Research Strategy

Experimental Designs: Between-Subjects Design

Experimental Designs: Within-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