Heather hangs with a group of four other girls who, just like her, all wear the trendiest fashions. According to Dunphy (1963), this group is best classified as a

A researcher who watches college students during an exam and counts how many students bite their nails is conducting a scientific observation

Indicate whether this statement is true or false.

Keegan was given a test score that indicates the extent to which his raw score deviates from the typical performance of same-age individuals. Keegan's test score is known as a(n)

A) normal distribution. B) intelligence quotient (IQ). C) screening quotient. D) standardization sample.