Shedding light on participant selection bias in Ecological Momentary Assessment (EMA) studies: Findings from an internet panel study.

ABSTRACT: Although the potential for participant selection bias is readily acknowledged in the momentary data collection literature, very little is known about uptake rates in these studies or about differences in the people that participate versus those who do not. This study analyzed data from an existing Internet panel of older people (age 50 and greater) who were offered participation into a momentary study (n = 3,169), which made it possible to compute uptake and to compare many characteristics of participation status. Momentary studies present participants with brief surveys multiple times a day over several days; these surveys ask about immediate or recent experiences. A 29.1% uptake rate was observed when all respondents were considered, whereas a 39.2% uptake rate was found when individuals

SUBMITTER: Stone AA 

PROVIDER: S-EPMC9997985 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature