Question 1

An extraneous variable is:

Accepted Answer

A)  Any variable other than the independent variable that might influence the dependent variable. 
B)  A variable that was left out of the study because it was irrelevant. 
C)  A dependent variable that is redundant with the other dependent variables. 
D)  Any variable other than the dependent variable that might influence the independent variable. 
A)  Any variable other than the independent variable that might influence the dependent variable. 
B)  A variable that was left out of the study because it was irrelevant. 
C)  A dependent variable that is redundant with the other dependent variables. 
D)  Any variable other than the dependent variable that might influence the independent variable.

Question 2

Attrition refers to the loss of people who do not complete the study.

Accepted Answer

A) True 
 B)False

Question 3

A researcher conducts an experiment on memory strategies where the research assistant unknowingly runs control participants only in the afternoon and the experimental group only in the morning. Time of day in this case very well might be a(n):

Accepted Answer

A)  Independent variable 
B)  Dependent variable 
C)  Mediating variable 
D)  Confounding variable 
A)  Independent variable 
B)  Dependent variable 
C)  Mediating variable 
D)  Confounding variable

Question 4

In Sally's research study, a member of a control group was exposed to part of the treatment condition. This is known as:

Accepted Answer

A)  Effect size 
B)  External validity 
C)  Replication 
D)  Treatment diffusion 
A)  Effect size 
B)  External validity 
C)  Replication 
D)  Treatment diffusion

An extraneous variable is:

Attrition refers to the loss of people who do not complete the study.

A researcher conducts an experiment on memory strategies where the research assistant unknowingly runs control participants only in the afternoon and the experimental group only in the morning. Time of day in this case very well might be a(n):

In Sally's research study, a member of a control group was exposed to part of the treatment condition. This is known as:

Introduction to Educational Research

Quantitative, Qualitative, and Mixed Research

Action Research for Lifelong Learning

How to Review the Literature and Develop Research Questions

How to Write a Research Proposal

Research Ethics

Standardized Measurement and Assessment

How to Construct a Questionnaire

Methods of Data Collection

Sampling in Quantitative, Qualitative, and Mixed Research

Experimental Research: Weak and Strong Designs

Experimental Research: Quasi and Single-Case Designs

Nonexperimental Quantitative Research

Narrative Inquiry and Case Study Research

Phenomenology, Ethnography, and Grounded Theory

Mixed Research

Descriptive Statistics

Inferential Statistics

Data Analysis in Qualitative and Mixed Research

How to Prepare a Research Report and Use Apa Style Guidelines

Filters

Exam 11: Validity of Research Results in Quantitative, Qualitative, and Mixed Research

An extraneous variable is:

Attrition refers to the loss of people who do not complete the study.

A researcher conducts an experiment on memory strategies where the research assistant unknowingly runs control participants only in the afternoon and the experimental group only in the morning. Time of day in this case very well might be a(n):

In Sally's research study, a member of a control group was exposed to part of the treatment condition. This is known as:

Introduction to Educational Research

Quantitative, Qualitative, and Mixed Research

Action Research for Lifelong Learning

How to Review the Literature and Develop Research Questions

How to Write a Research Proposal

Research Ethics

Standardized Measurement and Assessment

How to Construct a Questionnaire

Methods of Data Collection

Sampling in Quantitative, Qualitative, and Mixed Research

Experimental Research: Weak and Strong Designs

Experimental Research: Quasi and Single-Case Designs

Nonexperimental Quantitative Research

Narrative Inquiry and Case Study Research

Phenomenology, Ethnography, and Grounded Theory

Mixed Research

Descriptive Statistics

Inferential Statistics

Data Analysis in Qualitative and Mixed Research

How to Prepare a Research Report and Use Apa Style Guidelines

Filters