Question 1

Training the staff or research assistants who will deliver the interventions assures which one of the following goals of an experimental study?

Accepted Answer

A)  A high level of patient participation 
B)  Accurate and unbiased measurement of the study outcomes 
C)  Data collectors who know which intervention the patient received 
D)  Consistent delivery of the interventions 
A)  A high level of patient participation 
B)  Accurate and unbiased measurement of the study outcomes 
C)  Data collectors who know which intervention the patient received 
D)  Consistent delivery of the interventions

Question 2

Ideally, in experimental research, how is sample size determined?

Accepted Answer

A)  Theoretically 
B)  Randomly 
C)  Using profiling based on prior research 
D)  Through a power analysis 
A)  Theoretically 
B)  Randomly 
C)  Using profiling based on prior research 
D)  Through a power analysis

Question 3

What concern exists to a greater extent in quasi-experimental studies than in experimental studies?

Accepted Answer

A)  The Hawthorne effect 
B)  Too small a sample size 
C)  Low statistical power 
D)  The influence of extraneous variables 
A)  The Hawthorne effect 
B)  Too small a sample size 
C)  Low statistical power 
D)  The influence of extraneous variables

Question 4

In a study of the effectiveness of two pain management methods, what is the meaning of the conclusion that one method produced a clinically significant lower pain level than the other method?

Accepted Answer

A)  The difference in outcome achieved by the more effective method is large enough to make an important difference in patient comfort. 
B)  Pain management is an important intervention. 
C)  The study was well-conducted. 
D)  The difference in outcomes achieved by the two groups proves the underlying physiology being tested. 
A)  The difference in outcome achieved by the more effective method is large enough to make an important difference in patient comfort. 
B)  Pain management is an important intervention. 
C)  The study was well-conducted. 
D)  The difference in outcomes achieved by the two groups proves the underlying physiology being tested.

Question 5

Researchers can run t-tests on which type of variables?

Accepted Answer

A)  A group variable and a continuous variable 
B)  Two criterion variables 
C)  Two dichotomous variables 
D)  An active variable and a correlational variable 
A)  A group variable and a continuous variable 
B)  Two criterion variables 
C)  Two dichotomous variables 
D)  An active variable and a correlational variable

Question 6

What is the relationship between clinical significance and statistical significance?

Accepted Answer

A)  If one is significant, the other is significant. 
B)  Both can be significant, both can be nonsignificant, or one can be significant and the other nonsignificant. 
C)  Statistical significance determines clinical significance. 
D)  Clinical significance determines the reliability of statistical significance. 
A)  If one is significant, the other is significant. 
B)  Both can be significant, both can be nonsignificant, or one can be significant and the other nonsignificant. 
C)  Statistical significance determines clinical significance. 
D)  Clinical significance determines the reliability of statistical significance.

Training the staff or research assistants who will deliver the interventions assures which one of the following goals of an experimental study?

Ideally, in experimental research, how is sample size determined?

What concern exists to a greater extent in quasi-experimental studies than in experimental studies?

In a study of the effectiveness of two pain management methods, what is the meaning of the conclusion that one method produced a clinically significant lower pain level than the other method?

Researchers can run t-tests on which type of variables?

What is the relationship between clinical significance and statistical significance?

The Research-Practice Connection

Research Evidence

Reading Research Articles

Qualitative Research

Quantitative Descriptive Research

Correlational Research

Cohort Research

Systematic Reviews

Evidence-Based Clinical Practice Guidelines

Asking Clinical Questions

Searching for Research Evidence

Appraising Research Evidence

Appraising Recommendations of Clinical Practice Guidelines

Appraising Conclusions of Systematic Reviews With Narrative Synthesis

Appraising Findings of Original Studies

Evidence Based Practice Strategies

Evidence-Based Practice Participation Scenarios

Point-Of-Care Design Adaptations

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Exam 7: Experimental Research

Training the staff or research assistants who will deliver the interventions assures which one of the following goals of an experimental study?

Ideally, in experimental research, how is sample size determined?

What concern exists to a greater extent in quasi-experimental studies than in experimental studies?

In a study of the effectiveness of two pain management methods, what is the meaning of the conclusion that one method produced a clinically significant lower pain level than the other method?

Researchers can run t-tests on which type of variables?

What is the relationship between clinical significance and statistical significance?

The Research-Practice Connection

Research Evidence

Reading Research Articles

Qualitative Research

Quantitative Descriptive Research

Correlational Research

Cohort Research

Systematic Reviews

Evidence-Based Clinical Practice Guidelines

Asking Clinical Questions

Searching for Research Evidence

Appraising Research Evidence

Appraising Recommendations of Clinical Practice Guidelines

Appraising Conclusions of Systematic Reviews With Narrative Synthesis

Appraising Findings of Original Studies

Evidence Based Practice Strategies

Evidence-Based Practice Participation Scenarios

Point-Of-Care Design Adaptations

Filters