What link between education and recidivism was demonstrated in a study of the windham educational programs?

Findings are consistent: participation in correctional education reduces recidivism.

Explanation:

After reading the Evaluation of the Windham School District Correctional Education Programs, it becomes clear that offenders who obtained a GED while incarcerated actually had lower rates of recidivism, (compared to offenders who did not have a GED). Programs are designed with the aim to provide offenders with the skills needed to obtain employment when they are released, so it's easier for them to fit into society.

the answer might be either a or c. can't be too sure , because i searched the web, but no valid answers came through.