1
NCA 622 exam 1 Questions with Answers (100% Correct
Answers)
What is the goal of evidence-based medicine?
Patient satisfaction with their care.
Positive impact on the patient's outcomes.
Reduced length of stay and costs for the patient.
Improve the patient-to-provider experience. Answer: Positive impact on
the patients' outcomes.
What is the first step of conducting a research study?
Identify the population.
Perform a literature review.
Formulate the research problem.
Formulate a hypothesis. Answer: Formulate the research problem.
What is the last step in the research process?
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,2
Interpret results
Perform data analysis
Disseminate the findings
Identify the methods of data collection Answer: Disseminate the
findings
Which research design is more susceptible to biases?
Qualitative
Quasi-experimental
Cohort
Cross-sectional Answer: Qualitative
Which research design helps provide answers to the questions of who,
what, when, where, and how associated with a particular research
problem?
Qualitative
Cross-sectional
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,3
Correlational
Descriptive Answer: Descriptive
An observational study draws a conclusion by comparing subjects
against a control group, in cases where the researcher has no control
over the experiment. This study is a type of which research design?
Correlational
Quasi-experimental
Longitudinal
Qualitative Answer: Correlational
This type of study follows the same sample over time and makes
repeated observations by interviewing at regular intervals or
increments of time?
Cross-sectional
Longitudinal
Correlational
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, 4
Cohort Answer: Longitudinal
All of these studies are considered clinical research EXCEPT for?
(check all that apply)
Case reports
Case control studies
Systematic reviews
Animal research Answer: Case reports
Case control studies
Systematic reviews
Which study is the highest level of evidence?
Meta-analysis
Randomized-controlled double blind
In vitro
Case series Answer: Meta-analysis
© 2025 All rights reserved
NCA 622 exam 1 Questions with Answers (100% Correct
Answers)
What is the goal of evidence-based medicine?
Patient satisfaction with their care.
Positive impact on the patient's outcomes.
Reduced length of stay and costs for the patient.
Improve the patient-to-provider experience. Answer: Positive impact on
the patients' outcomes.
What is the first step of conducting a research study?
Identify the population.
Perform a literature review.
Formulate the research problem.
Formulate a hypothesis. Answer: Formulate the research problem.
What is the last step in the research process?
© 2025 All rights reserved
,2
Interpret results
Perform data analysis
Disseminate the findings
Identify the methods of data collection Answer: Disseminate the
findings
Which research design is more susceptible to biases?
Qualitative
Quasi-experimental
Cohort
Cross-sectional Answer: Qualitative
Which research design helps provide answers to the questions of who,
what, when, where, and how associated with a particular research
problem?
Qualitative
Cross-sectional
© 2025 All rights reserved
,3
Correlational
Descriptive Answer: Descriptive
An observational study draws a conclusion by comparing subjects
against a control group, in cases where the researcher has no control
over the experiment. This study is a type of which research design?
Correlational
Quasi-experimental
Longitudinal
Qualitative Answer: Correlational
This type of study follows the same sample over time and makes
repeated observations by interviewing at regular intervals or
increments of time?
Cross-sectional
Longitudinal
Correlational
© 2025 All rights reserved
, 4
Cohort Answer: Longitudinal
All of these studies are considered clinical research EXCEPT for?
(check all that apply)
Case reports
Case control studies
Systematic reviews
Animal research Answer: Case reports
Case control studies
Systematic reviews
Which study is the highest level of evidence?
Meta-analysis
Randomized-controlled double blind
In vitro
Case series Answer: Meta-analysis
© 2025 All rights reserved
