Perils and potentials of self-selected entry to epidemiological studies and surveys - Keiding, Niels; Louis, Thomas A. (Journal of the Royal Statistical Society. Series A, Statistics in society, 2016)
Keywords: Clinical trials; Epidemiology; External validity; Internal validity; Internal validity, Non‐probability samples; Non-probability samples; Representativity; Statistics; Transportability; Unmeasured confounders; Validity; Web-based enrolment