A range of disorders involving varying degrees of impairment in communication skills, social interaction, and restricted, repetitive, and stereotyped patterns of behavior is known as ______

Whether you are standing right next to it or a mile away from it, you know a tree is the same size because of ______

a. the figure-ground distinction c. perceptual constancy b. the phi phenomenon d. retinal disparity

Among adolescents, the remarriage of the custodial parent is most difficult for

A) younger boys. B) older boys. C) younger girls. D) older girls.