Job Corps' completion effect came entirely from GED receipt, with a small statistically significant negative effect on earning a high school diploma¶

Claim · All claims
Evidence · 1 study (2 entries) · causal r2 · q3 · i2 medium
Currency · newest study 2008 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q3 i2 Job Corps significantly increased the likelihood of earning a GED certificate (effect size 0.41, improvement index +16). → Job Corps 2008 q3 i? Job Corps had a small, statistically significant negative effect on the likelihood of earning a high school diploma (5.3% vs 7.5%; effect size –0.22, improvement index –9). → Job Corps 2008 (2)

Evidence¶

Job Corps 2008¶

Job Corps. (2008). WWC Intervention Report: Job Corps. What Works Clearinghouse, U.S. Department of Education. http://jobcorps.dol.gov/about.htm

q3 · i2 · causal · r2

Randomized controlled trial, Appendix A4.2: GED receipt among those without a credential at entry was 41.6% for Job Corps versus 26.6% for control, mean difference 15.0, Cox effect size 0.41, statistically significant, improvement index +16 (n = 8,597).

"Job Corps' effect on completion came entirely from its positive and statistically significant effect on the likelihood of receiving a GED certificate."

Job Corps 2008 (2)¶

Job Corps. (2008). WWC Intervention Report: Job Corps. What Works Clearinghouse, U.S. Department of Education. http://jobcorps.dol.gov/about.htm

q3 · i? · causal · r2

Randomized controlled trial, Appendix A4.2: diploma receipt was 5.3% for Job Corps versus 7.5% for control, mean difference –2.2, effect size –0.22, statistically significant, improvement index –9. The report notes 5.3% and 7.5% are both small percentages.

"Job Corps was found to have a small, but statistically significant, negative effect on the likelihood of earning a high school diploma."

Discussion¶

Related Claims¶

• Career Academies have potentially positive effects on completing school: about 96% of academy students earned a diploma or GED within 8 years of expected graduation versus about 94% of comparison students (effect size 0.27, not statistically significant but substantively important). — related
• Job Corps' effect on completing school is larger for older youth (18–24) than for younger youth (16–17) — related
• Job Corps has potentially positive effects on completing school: more youth without credentials earned a diploma or GED — related
• JOBSTART's completion gain came entirely from GED receipt, with a small significant negative effect on earning a high school diploma — related
• JOBSTART increased the likelihood that disadvantaged high school dropouts earned a high school diploma or GED certificate within 48 months of random assignment — related
• New Chance's completion effect came entirely from GED receipt, with a small negative effect on earning a high school diploma — related