The procedure of standardized repeated measurement, as used in panel studies, may hamper the quality of the data, due to the potential “reactivity†of survey interviewing on respondents' attitudes and behavior. In case respondents are interviewed in subsequent waves by different...

Methods for delineating personal networks in surveys contain complex instructions for the interviewers. It is assumed that the interviewers' experience and education influence their ability to follow these instructions. The magnitude of the interviewer effects on the personal network size has...

The direct and buffer effects of various aspects of social support and personal coping resources on depressive symptoms were examined. The study concerned a community-based sample of 1690 older persons aged 55-85 yrs, of whom 719 had no chronic disease, 612 had mild arthritis and 359 had severe...