Activity and affect: repeated within-participant assessment in people after joint replacement surgery.
Rachael PowellJulia L AllanDerek W JohnstonChuan GaoMarie JohnstonJustin A KenardyBeth PollardDavid I RowleyPublished in: Rehabilitation psychology (2009)
These findings demonstrate the importance of within-participant methodology in detecting subtle and immediate effects of individuals' mood on behavior that may differ from findings investigating between-participant effects over longer time periods.