Longitudinal survey and experimental research is essential for understanding psychological and economic processes, but attrition is a concern. We examine attrition in a 2016 longitudinal randomized controlled trial of more than 13,000 prospective U.S. homeowners, in which participants were invited to up to seven online surveys delivered every two…

Specific interviewer characteristics, interviewer continuity, or matching interviewer and household characteristics may increase cooperation, especially for difficult-to-convince households. In face-to-face surveys, unobserved heterogeneity often makes a proper analysis of interviewer effects impossible. Although surveys conducted in telephone…

Body mapping methods are used in sexual and reproductive health studies to encourage candid discussion of sex and sexuality, pleasure and pain, sickness and health, and to understand individuals' perceptions of their bodies. VOICE-D, a qualitative follow-up study to the VOICE trial, developed and used a body map tool in the context of individual…

This article examines and appraises a novel approach for generating shared group constructs through aggregative analysis: the application of Honey's aggregation procedure to repertory grid technique (RGT) data. Revisiting personal construct theory's underlying premises and adopting a social constructivist epistemology, we argue that, while…

Despite much literature on interviewer effects, limited attention has been paid to party preference surveys, although the effect is expectedly strong in this field. This article analyzes interviewer effects in a face-to-face political survey. Specifically, we are interested in whether the interviewer's own party preference has an effect on the…

Several studies have shown that people photographed wearing eyeglasses were perceived more positively as to intelligence and honesty. However, the effect of wearing glasses on behavior and in real face-to-face relationships has never been examined. In two studies, interviewers wearing or not wearing eyeglasses were instructed to ask people in the…