Like many drugs used to reduce hyperactivity, Ritalin is a stimulant

___________ disorders are medical problems caused by the interaction of psychological, emotional, and physical difficulties

a. Psychosocial c. Psychosexual b. Psychosomatic d. Psychosybiotic

Mary Rothbart identified 3 broad dimensions of temperament: hyperactivity, security, and assertiveness

Indicate whether the statement is true or false