Weed, S. E., Birch, P. J., Ericksen, I. H., & Olsen, J. A. (2011). Testing a predictive model of youth sexual intercourse initiation. Unpublished manuscript.

Program Evaluated Heritage Keepers Abstinence Education
Evidence of Effectiveness Yes
Study Rating and Explanation ModerateQuasi-experimental study that met all criteria for a moderate rating; findings show a positive, statistically significant impact for at least one behavioral outcome
Review Date April 2012

Program Information

Program Type

Program Type is Abstinence-based Abstinence-based
Sexuality education
Programs for special populations
Youth development

Program Length

Program Length is Fewer than 10 sessions Fewer than 10 sessions
10 to 20 sessions
More than 20 sessions

Evaluation Setting

After school/community-based
Health clinic
Elementary school
Evaluation Setting is In-school: Middle school Middle school
High school
Multiple settings
Specialized setting

Study Sample

Average Age Group

13 or younger
Average Age Group is 14 to 17 14 to 17
18 or 19

Majority Racial/Ethnic Group

Majority Racial/Ethnic Group is African American African American


Gender is Both genders Both genders
Female only
Male only

Research Design

Assignment Method Quasi-Experimental Design
Sample Size 2215
Number of Follow-Ups 2
Length of Last Follow-Up 0

Study Findings

Sexual Initiation/Abstinence +
Recent Sexual Activity Did not meet standards
Number of Sexual Partners Did not meet standards
Frequency of Sexual Activity Not measured
Contraceptive Use and/or Consistency Not measured
Sexually Transmitted Infections (STIs) or HIV Not measured
Pregnancy or Birth Not measured