WGU C431 Healthcare Statistics extra quiz questions
When the subject in a study are C Sampling Bias
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
________is when the determination of B Publication Bias
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
Researchers strive to remain C Objectivity
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
Identify the characteristic of C External Validity
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
What variables interfere with the E) A & B - Extraneous and Intervening Variable
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
What is the procedure called for C External Validity
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
Identify the type of evidence that A) Meta-analysis
combines the statistically analyses
of multiple independently
conducted studies.
A. Meta-analysis
B. RCT
C. Systematic review
D. Cohort study
E. Cross-over study
A power analysis is calculated to C) Ensure the sample size was large enough to detect differences
A. Determine the sample in the treatment and comparison group after data collection
size at the beginning of
the study
B. Take into consideration a
20% drop out rate
C. Ensure the sample size was
large enough to detect
differences in the treatment and
comparison group after data
collection
D. A and B
E. All of the above
When the subject in a study are C Sampling Bias
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
________is when the determination of B Publication Bias
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
Researchers strive to remain C Objectivity
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
Identify the characteristic of C External Validity
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
What variables interfere with the E) A & B - Extraneous and Intervening Variable
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
What is the procedure called for C External Validity
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
Identify the type of evidence that A) Meta-analysis
combines the statistically analyses
of multiple independently
conducted studies.
A. Meta-analysis
B. RCT
C. Systematic review
D. Cohort study
E. Cross-over study
A power analysis is calculated to C) Ensure the sample size was large enough to detect differences
A. Determine the sample in the treatment and comparison group after data collection
size at the beginning of
the study
B. Take into consideration a
20% drop out rate
C. Ensure the sample size was
large enough to detect
differences in the treatment and
comparison group after data
collection
D. A and B
E. All of the above
