NR449 QUIZ 4 EXAM QUESTIONS AND CORRECT ANSWERS WITH RATIONALES
Exam coverage
• evidence hierarchy
• clinical question formulation
• qualitative and quantitative methods
• mixed methods
• measurement reliability and validity
• bias and confounding
• sampling and randomization
• blinding
• descriptive statistics
• inferential statistics
This PDF contains original exam-style study material and is not a reproduction of confidential
or leaked examination questions.
,1. Which statement best applies the concept of primary source when evaluating a new case
requiring careful interpretation before an intervention is selected? The emphasis is on
recognizing the defining mechanism rather than choosing a superficially related option. The
learner should select the answer that best fits the specific concept being tested.
A. a superficially similar finding that does not define primary source
B. a broad action or description that does not establish the defining feature of primary source
C. an original research report presenting investigators' own findings
D. an unrelated process that may occur in a different part of the same general subject
Correct answer: C
Rationale: Correct answer: C. The concept tested is primary source. In this version, the case
centers on a new case requiring careful interpretation before an intervention is selected. The
correct choice states that an original research report presenting investigators' own findings.
That definition directly explains why the tested concept fits the scenario. The remaining
choices are less appropriate because they describe related, broader, or different ideas rather
than the defining feature of primary source. Recognizing this distinction supports accurate
interpretation and prevents the common error of selecting an answer merely because it
sounds generally relevant.
2. Which statement best applies the concept of systematic review when evaluating a new
case requiring careful interpretation before an intervention is selected? The emphasis is on
recognizing the defining mechanism rather than choosing a superficially related option. The
,learner should select the answer that best fits the specific concept being tested.
A. a superficially similar finding that does not define systematic review
B. a broad action or description that does not establish the defining feature of systematic
review
C. structured synthesis using explicit search and appraisal methods
D. an unrelated process that may occur in a different part of the same general subject
Correct answer: C
Rationale: Correct answer: C. The concept tested is systematic review. In this version, the
case centers on a new case requiring careful interpretation before an intervention is
selected. The correct choice states that structured synthesis using explicit search and
appraisal methods. That definition directly explains why the tested concept fits the scenario.
The remaining choices are less appropriate because they describe related, broader, or
different ideas rather than the defining feature of systematic review. Recognizing this
distinction supports accurate interpretation and prevents the common error of selecting an
answer merely because it sounds generally relevant.
3. Which statement best applies the concept of meta-analysis when evaluating a new case
requiring careful interpretation before an intervention is selected? The emphasis is on
recognizing the defining mechanism rather than choosing a superficially related option. The
learner should select the answer that best fits the specific concept being tested.
A. a broad action or description that does not establish the defining feature of meta-analysis
, B. statistical combination of compatible quantitative results from multiple studies
C. an unrelated process that may occur in a different part of the same general subject
D. a superficially similar finding that does not define meta-analysis
Correct answer: D
Rationale: Correct answer: D. The concept tested is meta-analysis. In this version, the case
centers on a new case requiring careful interpretation before an intervention is selected. The
correct choice states that statistical combination of compatible quantitative results from
multiple studies. That definition directly explains why the tested concept fits the scenario.
The remaining choices are less appropriate because they describe related, broader, or
different ideas rather than the defining feature of meta-analysis. Recognizing this distinction
supports accurate interpretation and prevents the common error of selecting an answer
merely because it sounds generally relevant.
4. Which statement best applies the concept of clinical question when evaluating a new case
requiring careful interpretation before an intervention is selected? The emphasis is on
recognizing the defining mechanism rather than choosing a superficially related option. The
learner should select the answer that best fits the specific concept being tested.
A. focused question identifying population, intervention, comparison, and outcome when
appropriate
B. an unrelated process that may occur in a different part of the same general subject
C. a superficially similar finding that does not define clinical question
Exam coverage
• evidence hierarchy
• clinical question formulation
• qualitative and quantitative methods
• mixed methods
• measurement reliability and validity
• bias and confounding
• sampling and randomization
• blinding
• descriptive statistics
• inferential statistics
This PDF contains original exam-style study material and is not a reproduction of confidential
or leaked examination questions.
,1. Which statement best applies the concept of primary source when evaluating a new case
requiring careful interpretation before an intervention is selected? The emphasis is on
recognizing the defining mechanism rather than choosing a superficially related option. The
learner should select the answer that best fits the specific concept being tested.
A. a superficially similar finding that does not define primary source
B. a broad action or description that does not establish the defining feature of primary source
C. an original research report presenting investigators' own findings
D. an unrelated process that may occur in a different part of the same general subject
Correct answer: C
Rationale: Correct answer: C. The concept tested is primary source. In this version, the case
centers on a new case requiring careful interpretation before an intervention is selected. The
correct choice states that an original research report presenting investigators' own findings.
That definition directly explains why the tested concept fits the scenario. The remaining
choices are less appropriate because they describe related, broader, or different ideas rather
than the defining feature of primary source. Recognizing this distinction supports accurate
interpretation and prevents the common error of selecting an answer merely because it
sounds generally relevant.
2. Which statement best applies the concept of systematic review when evaluating a new
case requiring careful interpretation before an intervention is selected? The emphasis is on
recognizing the defining mechanism rather than choosing a superficially related option. The
,learner should select the answer that best fits the specific concept being tested.
A. a superficially similar finding that does not define systematic review
B. a broad action or description that does not establish the defining feature of systematic
review
C. structured synthesis using explicit search and appraisal methods
D. an unrelated process that may occur in a different part of the same general subject
Correct answer: C
Rationale: Correct answer: C. The concept tested is systematic review. In this version, the
case centers on a new case requiring careful interpretation before an intervention is
selected. The correct choice states that structured synthesis using explicit search and
appraisal methods. That definition directly explains why the tested concept fits the scenario.
The remaining choices are less appropriate because they describe related, broader, or
different ideas rather than the defining feature of systematic review. Recognizing this
distinction supports accurate interpretation and prevents the common error of selecting an
answer merely because it sounds generally relevant.
3. Which statement best applies the concept of meta-analysis when evaluating a new case
requiring careful interpretation before an intervention is selected? The emphasis is on
recognizing the defining mechanism rather than choosing a superficially related option. The
learner should select the answer that best fits the specific concept being tested.
A. a broad action or description that does not establish the defining feature of meta-analysis
, B. statistical combination of compatible quantitative results from multiple studies
C. an unrelated process that may occur in a different part of the same general subject
D. a superficially similar finding that does not define meta-analysis
Correct answer: D
Rationale: Correct answer: D. The concept tested is meta-analysis. In this version, the case
centers on a new case requiring careful interpretation before an intervention is selected. The
correct choice states that statistical combination of compatible quantitative results from
multiple studies. That definition directly explains why the tested concept fits the scenario.
The remaining choices are less appropriate because they describe related, broader, or
different ideas rather than the defining feature of meta-analysis. Recognizing this distinction
supports accurate interpretation and prevents the common error of selecting an answer
merely because it sounds generally relevant.
4. Which statement best applies the concept of clinical question when evaluating a new case
requiring careful interpretation before an intervention is selected? The emphasis is on
recognizing the defining mechanism rather than choosing a superficially related option. The
learner should select the answer that best fits the specific concept being tested.
A. focused question identifying population, intervention, comparison, and outcome when
appropriate
B. an unrelated process that may occur in a different part of the same general subject
C. a superficially similar finding that does not define clinical question
