Institute-Affiliated, Partnership-Based Studies Corresponding to Research Models Tested  Study Objectives Sample Size Data Sources Rural- Urbana Funding Sources ADOPTION/PARTICIPATION FACTORS Health Beliefs, Parent Resource Use, Parent Preferences, Market Segmentation (Conjoint Analysis Study) 202 Parents of 6th-7th graders R NIDA Differential Response to Recruitment Strategies 387a Parents of 6th-7th graders R NIDA Retrospective Refusal Reasons/Barriers 167 Parents of 6th-7th graders R NIDA Prospective Study I: Health Beliefs, Inclination to Enroll 1,192 Parents of 5th graders R NIMH Retrospective Refusal Replication 459b Parents of 6th graders R NIMH/NIDA Prospective Study Replication 1,260 Parents of 6th graders R NIDA PROGRAM OUTCOMES/IMPLEMENTATION QUALITYc,d PDFY (Controlled Pilot Study-I)  607 (209) Parents & 6th-7th graders R NIDA PDFY/ISFP Trial II Replication/Extension Study  1,892 (667) Parents & 6th-12th graders R NIMH/NIDA SFP 10-14 Trial Replication with African-American Sample 1,271 (467) Caretakers & 4th-8th graders U NIAAA/NIMH LST/ SFP 10-14 Capable Families and Youth Study 1,962 (691)e Parents & 7th-8th graders R NIDA Strong African-American Families Study @ 1,100 (@400) Caretakers & 6th-8th graders R NIAAA PARTNERSHIP PROCESS AND OUTCOMES STUDY PROSPER Partnership— Process and Effectiveness Trial f @10,000 (@1,200) Caretakers & 6th graders R/U NIDAi OTHER SUPPLEMENTAL STUDIES Parent-reported Risk and Protective Factors g 2,314 Parents of K-8th graders R/U CSAP/CSAT Teacher-reported Risk and Protective Factors g 602 Teachers of K-8th graders R/U CSAP/CSAT Substance Prevalence/Risk and Protective Factors g 4,944 Adults/Parents of K-12th graders R/U CSAP Adaptation of Meas. Methods to Native Am. Populations 262 (74) Caretakers & 4th-7th graders R/U NIDA Adaptation of Youth Skills Training to Native Am. Populations @70 4th-7th graders R/U NIDA a Recruited sample for Controlled Outcome Study I b Subset of families in Prospective Study I Sample c PDFY = Preparing for the Drug Free Years, ISFP = Iowa Strengthening Families Program, SFP: 10-14 = ISFP Refinement, LST = School-based Life Skills Training d Number of families is in parentheses e School-based assessments conducted with a total of 1,679 students f Collaborative study with University of Georgia (Gene Brody, PI) g Collaborative studies with Iowa consortium for Substance Abuse Research and Evaluation and the State Department of Public Health