Evaluation of the Gang Resistance Education and Training (GREAT) Program in the United States, 1995-1999
This study sought to evaluate the effectiveness of the Gang
 Resistance Education And Training (GREAT) program by surveying five
 different groups: students in a cross-sectional design (Part 1), law
 enforcement officers (Part 2), educators (Part 3), parents (Part 4),
 and students in a longitudinal design (Part …