Enrolment-latency in randomized behavior change trials: individual participant data meta-analysis showed association with attrition but not effect-size
- Creator: Kypri, Kypros , Bowe, Steven J. , Karlsson, Nadine , McCambridge, Jim
- Resource Type: journal article
- Date: 2020
Loss to follow-up was used to estimate bias in a longitudinal study: a new approach
- Creator: Powers, Jennifer , Tavener, Meredith , Graves, Anna , Loxton, Deborah
- Resource Type: journal article
- Date: 2015
Recruiting by registered versus standard mail
- Creator: Gilligan, Conor , Kypri, Kypros
- Resource Type: journal article
- Date: 2014
Assessment of nonresponse bias in an internet survey of alcohol use
- Creator: Kypri, Kypros , Stephenson, Shaun , Langley, John
- Resource Type: journal article
- Date: 2004