Additional Analyses
SE
Additional analyses revealed that participants did also report a stronger incremental theory in the follow-up questionnaire (mean 5.42, SE 0.08) compared with the entry questionnaire (mean 5.24, SE 0.08; Multilevel models including the change in internal health locus of control as an additional level 2 predictor to determine whether our intervention effects are robust when controlling for the internal health locus of control change.