Health beliefs have not done a very good job of predicting most health behaviors

Which gestalt principle refers to the perceptual rule that lines and other objects tend to be continuous, rather than abruptly changing directions?

a. Figure-ground b. Continuity c. Proximity and similarity d. Psychophysics

The amount of time adolescents spend with their families drops by ____ between 5th and 9th grades and declines even more sharply between ____

a. 30%; 9th and 10th grades b. 40%; 9th and 11th grades c. 50%; 9th and 12th grades d. 60%; 12th grade and college