Ortiz, Vilma; Ballon, Estela Godinez - In: Sociological Methods & Research 36 (2007) 1, pp. 112-137
Longitudinal studies provide useful and unique data for social science research but are labor intensive and expensive. Key to conducting a successful longitudinal study is the ability to locate respondents in the follow-up effort. We conducted a 35-year longitudinal study among Mexican Americans...