NCA 622 exam 1 Questions with Correct Answers 100% Verified By Experts|
2025/2026 Latest Update
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. 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. Formulate the research problem.
What is the last step in the research process?
Interpret results
Perform data analysis
Disseminate the findings
Identify the methods of data collection Disseminate the findings
Which research design is more susceptible to biases?
Qualitative
Quasi-experimental
Cohort
Cross-sectional 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
Correlational
Descriptive 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 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
Cohort Longitudinal
All of these studies are considered clinical research EXCEPT for?
(check all that apply)
Case reports
Case control studies
Systematic reviews
Animal research 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 Meta-analysis
Rate of people developing a disease in the population during a defined time period is known as:
Positive predictive value
Likelihood ratio
Prevalence
Incidence Incidence
The accuracy of measure or if the results represent what they are supposed to measure is know
as:
Validity
Reliability
Sensitivity
Nagative predictive value Validity
sidebar interaction. Press tab to begin.
The probability of obtaining the observed values if the null hypothesis is true is known as?
Alpha
P-Value
Likelihood ratio
2025/2026 Latest Update
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. 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. Formulate the research problem.
What is the last step in the research process?
Interpret results
Perform data analysis
Disseminate the findings
Identify the methods of data collection Disseminate the findings
Which research design is more susceptible to biases?
Qualitative
Quasi-experimental
Cohort
Cross-sectional 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
Correlational
Descriptive 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 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
Cohort Longitudinal
All of these studies are considered clinical research EXCEPT for?
(check all that apply)
Case reports
Case control studies
Systematic reviews
Animal research 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 Meta-analysis
Rate of people developing a disease in the population during a defined time period is known as:
Positive predictive value
Likelihood ratio
Prevalence
Incidence Incidence
The accuracy of measure or if the results represent what they are supposed to measure is know
as:
Validity
Reliability
Sensitivity
Nagative predictive value Validity
sidebar interaction. Press tab to begin.
The probability of obtaining the observed values if the null hypothesis is true is known as?
Alpha
P-Value
Likelihood ratio
