I'm pretty sure the answer is C because you need to let the child learn on his/her own.
The answer to this question is 80 calories
Case-control studies are among the best observational designs to study diseases of Low Prevalence.
The study is a sort of observational analysis generally used to examine aspects associated with ailments or effects. It begins with a set of cases, which are the people who have the outcome of interest. Case-control studies have distinct benefits compared to other study structures. They are comparatively swift, reasonable, and easy. They are specifically suitable for -
- analyzing infrequent diseases or outcomes.
It is specifically efficient for rare illnesses because it initiates by recognizing an adequate number of diseased individuals to enable an analysis that pushes associations.
More about Case-control studies:
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