Interviews with 137 primary caregivers with developmentally disabled family members (ages 2-62) on waiting lists for out-of-home placement found that caregiver stress was a significant predictor of the urgency of placement need. Behavior problems of the disabled person were almost as important. Lack of support services was correlated with…

Describes class exercises where undergraduates construct and test mathematical models using data and issues related to social security. The students collect data and forecast economic and demographic variables that determine future tax rates. They then discuss government policies that are derived from their models. (MJP)