The coefficient of determination is used as an estimate of effect size for which null hypothesis significance test?

Ricky's mother tends to scold him when he fights with other children, while Ricky's father encourages him to fight. This type of inconsistent discipline has been linked to

a. internalizing disorders. b. externalizing disorders. c. higher levels of anxiety. d. higher levels of depression.

According to the research by Greendorfer and Lewko (1978),

A. siblings have a particularly significant influence on a child's involvement in sports B. boys receive less exposure to sport-socializing agents than do girls C. peers and mothers are significant socializing agents for girls D. peers and fathers are significant socializing agents for girls