A researcher administers a written test to evaluate knowledge of insulin administration and glucose monitoring to a group of subjects at annual intervals over the next decade.This is an example of which type of study design?
A) Correlational
B) Cross-sectional
C) Descriptive
D) Longitudinal

Question

Quizplus · Accepted Answer

Longitudinal design refers to data collection from the same subjects at different points in time.Correlational studies seek to examine relationships among variables without manipulation of a treatment by the researcher.Cross-sectional designs examine a group of subjects simultaneously in various stages of development,illness severity,or recovery to identify changes in a phenomenon across stages.A descriptive study is used to examine variables as they occur naturally without manipulation of variables.

A Researcher Administers a Written Test to Evaluate Knowledge of Insulin