Economic cost of illness studies pay particular attention to the psychological costs of substance abuse

Determining that someone suffers from hypertension depends on which of the following two measures?

a. systolic and diastolic blood pressure b. sympathetic and parasympathetic blood pressure c. self-reports of tension and psychophysiological measures of heart rate d. self-reports of tension and objective behavior ratings by skilled observers

Kayla is 4 years old and has recently begun coordinating the two sides of her body more efficiently. This development may be attributed to

growth of the corpus collosum. longer arms and legs. brain lateralization. adequate calcium in her diet.