Individuals with this disorder show impairment in social interaction and communication, and are typically diagnosed in early childhood.

Studies by Keller and Marian Breland found that many animals exhibit instinctive drift. What does this mean?

a. The animals studied could not learn any skills even with the use of reinforcement. b. The animals studied would learn skills through reinforcement but eventually revert back to their genetically controlled patterns of behavior. c. The animals studied would learn skills through reinforcement and they remained that way no matter how much reinforcement they were given. d. The animals studied could only learn skills similar to those found in the wild.

Jonathan has an intellectual disability

He is unable to read books or to read music and has had no music lessons. However, he is able to play any song on the piano if he hears it once on the radio. Jonathan would best be described as having a. a schizotypal personality. b. Turner's syndrome. c. savant syndrome. d. pseudo-giftedness.