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

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