The neurotransmitter of the neuromuscular junction is

A famous psychologist argues that people internally organize their expectancies and values to guide their own behavior, developing unique standards based on each person's life history. This psychologist is most likely a ______ psychologist

a. psychodynamic c. cognitive-social learning b. behavioral d. trait

When employing reversal designs in intrasubject research, two problems often occur: 1) the effect of the researcher's intervention may not be reversible; and 2)

a. these designs require many between-subject manipulations b. implementing these AB designs is often expensive. c. it may be unethical to withdraw a beneficial treatment. d. it is difficult to recruit large numbers of subjects required in these designs.