Study Details

Citation

Girls Incorporated. (1991). Truth, trust and technology: New research on preventing adolescent pregnancy: Summary report on the Girls Incorporated program development and research project. New York: Girls Inc.

Postrado, L. T., Nicholson, H. J. (1992). Effectiveness in delaying the initiation of sexual intercourse of girls aged 12-14: Two components of the Girls Incorporated Preventing Adolescent Pregnancy program. Youth and Society, 23(3), 356-379.

Program or Component Study?
Program
Program or Component Name

Will Power/Won't Power

Show Evidence of Effectiveness
No
Study Rating and Explanation
Moderate —

Quasi-experimental study that met all criteria for a moderate rating; findings show no positive, statistically significant impact on a relevant behavioral outcome measure for either the full sample or key subgroup

Program Information

Program Type
Sexual health education
Program Length
Fewer than 10 sessions

Evaluation Setting

Evaluation Setting
After school

Study Sample

Average Age Group
13 or younger
Majority Racial/Ethnic Group
African American or Black
Sex
Young female

Research Design

Assignment Method
Quasi-Experimental Design
Sample Size

412

Number of Follow-Ups

1

Length of Last Follow-Up

12

Year of Last Data Collection
1990
Reviewed Studies
Moderate-Quality Quasi-Experiment
Protocol Version
Version 1.0

Language directly from the program model developer or authors.