Randal is a 17-year-old whose parents have left him mostly on his own for several years. They leave for days on end to drink and gamble, leaving no food or assistance for him in the home. When they do come around, they often beat Randal and criticize him because the house is unkempt. Randal is usually on the streets, vandalizing cars and getting involved in arson. Randal would be categorized as __________.

Who is the psychologist that used a trial-and-error approach to psychological measurement that continues to serve as the predominant approach to test construction today?

When physical characteristics such as height and weight or onset of menstruation change over the course of several generations, this is an example of a __________.

What is the percentage of teenagers who experience major depression-that is, depression that is severe and lingers for a long time?

According to James Marcia, which category of identity development leads to carefree behavior in which the adolescent shifts from one thing to another?

What percentage of college students report having had an alcoholic drink in the past 30 days?

Which of the following is a side effect of medication treatment for ADHD (e.g., Ritalin)?

Approximately how many cigarettes does an adolescent have to smoke to increase his or her chance of becoming an addicted and habitual smoker for life?

What percentage of college students report having had an alcoholic drink in the past 30 days?

Adolescents’ self-concept comprises __________.