WGU C431 HEALTHCARE STATISTICS EXTRA QUESTIONS
AND ANSWERS
When the subject in a study are not representative of the population, this is a limitation
referred to as ________
A) Measurement Error
B) Probability Bias
C) Sampling Bias
D) Recall Bias
E) Publication Bias
CORRECT ANSWER C Sampling Bias
_______________ is when the determination of whether to publish a study is based on
factors other than the quality of the research and the relevance of its findings
A) Measurement Bias
B) Publication Bias
C) Sampling Bias
D) Representative Bias
E) Lack of clinical significance bias
CORRECT ANSWER B Publication Bias
Researchers strive to remain unbiased, honest, and precise when making decisions
regarding the planning, conducting, and reporting of a quantitative and qualitative study.
The previous statement defines
A. Validity
B. Reliability
C. Objectivity
D. Credibility
E. Dependability
CORRECT ANSWER C Objectivity
, Identify the characteristic of research design that relates to the degree to which the
outcomes of the study can be attributed to the interventions.
A. Inter-rater reliability
B. Intra-rater reliability
C. External validity
D. Internal validity
E. Randomization
CORRECT ANSWER C External Validity
What variables interfere with the intended purpose of the investigation by introducing
error to the study?
A. Extraneous variable
B. Intervening variable
C. Dependent variable
D. Independent variable
E. A and B
F. C and D
CORRECT ANSWER E) A & B - Extraneous and Intervening Variable
What is the procedure called for assigning subjects to intervention groups (placebo
group, control group, experimental group.)?
A. Inter-rater reliability
B. Intra-rater reliability
C. External validity
D. Internal validity
E. Randomization
CORRECT ANSWER C External Validity
Identify the type of evidence that combines the statistically analyses of multiple
independently conducted studies.
A. Meta-analysis
B. RCT
AND ANSWERS
When the subject in a study are not representative of the population, this is a limitation
referred to as ________
A) Measurement Error
B) Probability Bias
C) Sampling Bias
D) Recall Bias
E) Publication Bias
CORRECT ANSWER C Sampling Bias
_______________ is when the determination of whether to publish a study is based on
factors other than the quality of the research and the relevance of its findings
A) Measurement Bias
B) Publication Bias
C) Sampling Bias
D) Representative Bias
E) Lack of clinical significance bias
CORRECT ANSWER B Publication Bias
Researchers strive to remain unbiased, honest, and precise when making decisions
regarding the planning, conducting, and reporting of a quantitative and qualitative study.
The previous statement defines
A. Validity
B. Reliability
C. Objectivity
D. Credibility
E. Dependability
CORRECT ANSWER C Objectivity
, Identify the characteristic of research design that relates to the degree to which the
outcomes of the study can be attributed to the interventions.
A. Inter-rater reliability
B. Intra-rater reliability
C. External validity
D. Internal validity
E. Randomization
CORRECT ANSWER C External Validity
What variables interfere with the intended purpose of the investigation by introducing
error to the study?
A. Extraneous variable
B. Intervening variable
C. Dependent variable
D. Independent variable
E. A and B
F. C and D
CORRECT ANSWER E) A & B - Extraneous and Intervening Variable
What is the procedure called for assigning subjects to intervention groups (placebo
group, control group, experimental group.)?
A. Inter-rater reliability
B. Intra-rater reliability
C. External validity
D. Internal validity
E. Randomization
CORRECT ANSWER C External Validity
Identify the type of evidence that combines the statistically analyses of multiple
independently conducted studies.
A. Meta-analysis
B. RCT
