A school psychologist was concerned with the number of children being diagnosed with attention-deficit hyperactivity disorder (ADHD). If she were interested in learning how many new cases of ADHD had been diagnosed within the last year, she will look at ____

As a part of their longitudinal study, Thomas and Chess (1956) revisited subjects years after the original classifications of temperament. Years later, Subject "A" is described as being "sometimes fearful, having problems academically, and at times, he lingers in his response to social cues." Which of the following temperament categories does Subject "A" fit?

a. easy b. difficult c. slow-to-warm-up d. undifferentiated

Elijah asks his doctor how long he can plan to live without any major medical problems or impairments. Elijah is asking about _____ life expectancy

a. maximum b. useful c. average d. modal