Academic competence beliefs have been widely studied. However, conceptual and measurement efforts have not yet been directed toward understanding perceived underachievement (feeling that one's accomplishments fall below perceived capability). We conducted two studies in order to develop and examine validity evidence for the Perceived Academic…

Onwuegbuzie and colleagues proposed the Instrument Development and Construct Validation (IDCV) process as a mixed methods framework for creating and validating measures. Examples applying IDCV are lacking. We provide an illustrative case integrating the Rasch model and cognitive interviews applied to the development of the Transformative…