Full edition for scientific use. Personal beliefs (subjective theories) of knowledge and knowledge acquisition, using standardized questionnare (28 items, 5-point Likert scale). Partial replication study of Mokwinski (2010): Development of epistemological beliefs in selected vocational areas in dual professional education. Munich/Mering: Rainer Hampp.

Non-probability: Availability

Self-administered questionnaire: Web-based