A(n) ____ design is one in which the same persons are followed over time and data are collected on two or more occasions.
A. ethnographic research
B. quasi-experimental research
C. longitudinal research
D. cross-sectional research
Answer:C
A(n) ____ design is one in which the same persons are followed over time and data are collected on two or more occasions.
A. ethnographic research B. quasi-experimental research C. longitudinal research D. cross-sectional research