Fostering and improving the social relationships of individual with di
sabilities have become recognized as legitimate roles for service prov
iders. This is, in part, a logical outgrowth of a shift from services
that emphasized health, safety, and skill development to services whos
e mission is seen as also including ''lifestyle support.'' In this pap
er we reviewed ways in which social life has been conceptualized and m
easured and suggested how such concepts might be integrated into a com
prehensive model to spur research and development benefitting individu
als with mental retardation.