In addition to its role in producing temporary lesions, Transcranial Magnetic Stimulation (TMS) may also have therapeutic potential for a number of psychiatric disorders

The effective use of extinction is complicated by

a. the fact that it involves alternating periods of presenting and withholding the reinforcer. b. extinction bursts. c. the fact that it takes some time to complete relaxation training. d. the fact that the client always has direct control of the reinforcer maintaining his or her undesirable behavior. e. an extensive history of reinforcement of the undesirable behavior.

In recent decades in Western countries, there has been little change in average height, indicating that the populations of these countries have reached the upper boundary of ______________ for height

a. their concordance rate b. their heritability c. their reaction range d. their polygenic inheritance