Question: 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

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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