MCQOPTIONS
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| 1. |
A research report showed that the population of a country increased from 20 million in 1941 A.D. to 60 million in 2000 A.D. The study can best be described as _______. |
| A. | Factorial |
| B. | Social |
| C. | Longitudinal |
| D. | Cross-sectional |
| Answer» B. Social | |