A multimedia program was designed to improve dietary behavior among low-income w

Question

A multimedia program was designed to improve dietary behavior among low-income women. The program was evaluated by comparing women who were randomly assigned to either an intervention and or a control group. The intervention was a 30-minute session in a computer kiosk in the Food Stamp office. One of the outcomes of the experiment was the score on a knowledge test taken about two months after the program. The researchers want to know if the mean score for the intervention group is greater than the mean score for the control group. The p-value for the hypothesis test is less than 0.0001. What is the correct decision for the test?

a. Fail to reject the alternative hypothesis.

b. Reject the null hypothesis.

c. Accept the null hypothesis.

d. Fail to reject the null hypothesis.

Explanation / Answer

The p-value for the hypothesis test is less than 0.0001 , we reject the null hypotheis at any level of siginificance.

Answer is B. Reject the null hypothesis

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