Data collected on the same subjects over time that adds additional subjects on a regular basis and continues to examine them over the remainder of the investigation is referred to as a:
A) Cross-sectional study
B) Mixed-sectional study
C) Longitudinal study
D) Mixed-longitudinal study
E) Cross-cultural study

Question

Quizplus · Accepted Answer

A mixed-longitudinal study involves collecting data over time on the same subjects while also adding new subjects regularly, allowing for both longitudinal and cross-sectional analysis.

Data Collected on the Same Subjects Over Time That Adds