Validity of beachgoers' self-report of their sun habits
O'Riordan DL;Lunde KB;Steffen AD;Maddock JE;;
archives of dermatology2006Vol. 142pp. -
198
dl2006archivesvalidity
Abstract
Overall, self-report measures of time outside, sunscreen use, and clothing worn demonstrated good criterion validity when compared with observation and sunscreen swabbing. Sunscreen swabbing proved an effective procedure for detecting sunscreen at a beach setting.