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

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

a. What are the effects of attention span on out-of-seat classroom behavior?

b. What is the relationship between the quality of a marriage and the quality of the spouses' relationships with their siblings?

c. What's the best way to treat an eating disorder?

d. How do early intervention programs before age 3 affect reading skills when the children are in sixth grade?

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