Objective: Contingency management (CM) is efficacious in reducing drug use. Typically, reinforcers are provided on an individual basis to patients for submitting drug-negative samples. However, most treatment is provided in a group context, and poor attendance is a substantial concern. This study evaluated whether adding CM to group-based…

This study assessed whether attendance rates in a workplace predicted subsequent outcome of employment-based reinforcement of cocaine abstinence. Unemployed adults in Baltimore methadone programs who used cocaine (N = 111) could work in a workplace for 4 hr every weekday and earn $10.00 per hour in vouchers for 26 weeks. During an induction…

This third edition expands coverage on such topics as the law and students with disabilities, confidentiality, sexual harassment, student searches and tuition vouchers. It also includes some new topics such as bullying, copyright law, and the law and the internet. Both public and nonpublic school educators are aware that courts, over the last…