Table 4.

Weighted Sum of Key Components Offered to Students (8th, 10th, and 12th Grades)

Key Components Taught	Coverage of Components (Possible range = 0 to 6)
	Mean	SD
Cognitive components  Knowledge of effects of drug   use	1.73	0.82
Decision-making skills	1.63	0.85
Refusal skills	1.58	0.85
Normative education	1.54	0.85
Affective components  Coping skills	1.41	0.86
Communication skills	1.48	0.86
Improve self-esteem	1.44	0.85
Behavioral components  Emphasize healthy behaviors	1.19	0.72
Analyze media messages	1.37	0.85
Involves role play	0.71	0.73
Involves parents	0.37	0.60

Note. N schools = 1206