The Office of Migrant Services' (OMS) summary presents demographic data on the 2,500 migrant families in 25 housing centers in 14 California counties in 1980. The typical migrant family in an OMS center is shown to be a Mexican family of 4, with 2 parents between the ages of 18 and 44, who have completed 2 to 6 years of school, and have 2 to 3…

The effects of two cover letter manipulations and their interactions with demographic variables on response to the initial mailing of a survey were investigated. The two manipulations, type of appeal and type of respondent group identification, were intended to affect respondents' perceptions of their social responsibility and position. In all,…