McqMate
| Q. |
‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ studies involve the collection of data from a sample at different points in time. |
| A. | Cross‐sectional study |
| B. | Longitudinal study |
| C. | experimental study. |
| D. | none |
| Answer» B. Longitudinal study | |
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