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A coach wants to see how long the members of the swim team can hold their breath. he times each member and finds that the average is 53 seconds. what type of study is this? experiment double-blind study

Respuesta :

Observational study
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Answer:

Observational Study

Explanation:

In an Observational Study, the researcher observes the effect of either a diagnostic tests, a risk factor, a treatment or other intervention without trying to change who is or isn't exposed to it; as it applies in the case of the coach and the members.

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