The age at which girls experience their first menstrual period is affected by

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

Three-year-old Tamika is transitioning from pull-up diapers to regular underwear. According to Freud, her current stage of psychosexual development is likely to be

A) oral. B) anal. C) phallic. D) latency.