Identify causal hypothesis at issue and investigation

Reference no: EM13306790

Here is a short essay about an investigation.

Here are also four questions/tasks write a paragraph to answer each one of them:

1. Identify the causal hypothesis at issue.

2. Identify what kind of investigation it is.

3. There are control and experimental groups. State the difference in effect (or cause) between the control and experimental groups.

4. State the conclusion that you think is warranted by the report.

Does jogging keep you healthy? Two independent researchers interested in whether exercise prevents colds interviewed 20 volunteers about the frequency with which they caught colds. The volunteers, none of who exercised regularly, were then divided into two groups of 10, and one group participated in a six-month regimen of jogging three miles every other day. At the end of the six months, the frequency of colds among the joggers was compared both with that of the nonjoggers and with that of the joggers prior to the experiment. It was found that, compared with the nonjoggers, the joggers had 25% fewer colds. The record of colds among the joggers also declined in comparison with their own record prior to the exercise program.

Reference no: EM13306790

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