_____ refers to the public appearance or image of a person

The concordance rate for homosexuality in female identical twins is about

(a) .01% (b) .1% (c) 1 - 5% (d) 50%

Oord et al. (2008 ) meta-analysis study on the individual and combined treatments of stimulant medication (i.e., methylphenidate) and psychological programs on children ages 6-12 showed that:

a) Methylphenidate and psychological treatments were effective. b) Psychological treatments were less effective than both other treatment conditions. c) Treatment effectiveness differed according to teachers and parents' ratings. d) All of the above.