D514 EXAM PREP EXAMINATION TEST FULL SOLUTION 2026 GUARANTEED TO PASS.

D514 EXAM PREP EXAMINATION TEST FULL
SOLUTION 2026 GUARANTEED TO PASS.

⫸ Qualitative Research. Answer: Descriptive, non-numeric data like
interviews, observations, and experiences.


⫸ Independent Variable. Answer: The variable the researcher
controls; the cause.


⫸ Dependent Variable. Answer: The variable that changes in
response; the effect.


⫸ Confounding Variable. Answer: A third factor influencing both
independent and dependent variables.


⫸ Continuous Variable. Answer: A variable that can take any value
within a range (e.g., temperature).


⫸ Dichotomous Variable. Answer: A variable with only two
categories (e.g., diabetic/non-diabetic).


⫸ Nominal Data. Answer: Categorical data with no order (e.g., blood
type).

, ⫸ Ordinal Data. Answer: Ordered categories without equal spacing
(e.g., pain scale).


⫸ Interval Data. Answer: Numerical data with equal intervals but no
true zero (e.g., temperature).


⫸ Ratio Data. Answer: Numerical data with a true zero (e.g., weight,
height).


⫸ Randomized Control Trial (RCT). Answer: Participants are
randomly assigned to intervention vs control.


⫸ Cross-Sectional Study. Answer: One-time snapshot of a population
at a single point in time.


⫸ Time-Series Analysis. Answer: Data collected at equal time
intervals (weekly, monthly, yearly).


⫸ Longitudinal Study. Answer: Repeated observations of the same
subjects over time.


⫸ Cohort Study. Answer: Follow exposed vs unexposed groups over
time (prospective or retrospective).


⫸ Prospective Study. Answer: Looks forward in time; outcomes have
not yet occurred.