Thursday, October 29, 2020

LONGITUDINAL STUDY DESIGNS

In longitudinal studies the study population is visited a number of times at regular intervals, usually over a long period, to collect the required information. These intervals are not fixed so their length may vary from study to study. Intervals might be as short as a week or longer than a year.  Irrespective of the size of the interval, the information gathered each time is identical.
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