Contact theory argues that any kind of contact, no matter how brief, between individuals of different groups will most likely result in the reduction of prejudice

The acquisition of skill or knowledge in a particular area is called __________

a) expertise b) sensory memory c) long-term memory d) selective optimization

Which of the following test items is best (a, b, c, or d), where p is the item difficulty index and D

the item discrimination index? A) p = 1.00, D = .50 B) p = .70, D = .20 C) p = .30, D = .50 D) p = .50, D = .50