What do self‐efficacy items measure? Examining the discriminant content validity of self‐efficacy items

Self‐efficacy – an individual’s judgement of their ability to successfully perform a behaviour – is commonly used to explain
and predict behaviour. It is measured through self‐report questionnaires. These scales require good content validity, that
is must measure the full scope and content of the construct without contamination from similar constructs. This study uses
a systematic, transparent…