Hypotheses and Test Statistics

Submit answers to the following questions:

For the following research questions, create one null hypothesis, one directional research hypothesis, and one nondirectional research hypothesis.

1. What are the effects of attention span on out-of-seat classroom behavior?
2. What is the relationship between the quality of a marriage and the quality of the spouses relationship with their siblings?
3. What’s the best way to treat an eating disorder?
4. How do early intervention programs before age 3 affect reading skills when the children are in sixth grade?

A criminologist rode along with patrol officers for several weeks and recorded the number of minutes they spent interviewing witnesses at a variety of crime scenes. The criminologist collected data on the number of minutes that male and female officers spent interviewing witnesses in order to examine if there are differences between men and women.

1. What is the null and research hypothesis?
2. If the results of the hypothesis test are t = 2.13, df = 8, and p > 0.05, how would you interpret this hypothesis test?

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