Dr. Halk is studying a group of 25 youngsters from the time they are born until they reach school age. This is known as ________ research.
A) cross-sectional
B) mixed design
C) longitudinal
D) historical

Question

Quizplus · Accepted Answer

Longitudinal research involves studying a group or individual over a period of time to see how they change or develop. In this case, Dr. Halk is studying the same group of 25 youngsters from birth to school age, making it a longitudinal study. Cross-sectional research involves studying different groups of people at the same time, mixed design involves combining longitudinal and cross-sectional methods, and historical research involves studying past events.

Dr Halk Is Studying a Group of 25 Youngsters from the Time