Small<br>The group study is similar to the trend and cohort study, except for the longitudinal study<br>It is also forward-looking in nature, and information is always collected from the same respondents.<br>Suppose you want to study the pattern of spending on family items in a community.<br>To do this, you can choose a few families to find out how much money they spend on household items every two weeks.<br>You will continue to collect the same information from the same family over time to determine the pattern of expenditure.<br>Similarly, the team's research design can be used to study the community.
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