When the development of the same subjects is studied over a period of time, the study is called a:
A. cross-sectional study B. life history study
C. longitudinal study
D. sequential study
When the development of the same subjects is studied over a period of time, the study is called a: | longitudinal study | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database