In this article, we present a valid and reliable instrument which measures the attitude of in-service and pre-service primary teachers toward teaching science, called the Dimensions of Attitude Toward Science (DAS) Instrument. Attention to the attitudes of primary teachers toward teaching science is of fundamental importance to the…

Current international demands to strengthen the teaching profession have led to an increased development and use of professional content standards. The study aims to provide insight in the construct validity of content standards by researching experts' underlying assumptions and preferences when participating in a delphi method. In three rounds 21…

Developing instruments to assess teacher competence requires a model of competent performance which can guide both the collection and appraisal of evidence in task situations. Following Kane (1992), the validation of statements about teachers' competence is regarded as the evaluation of interpretive argumentation. Based on contemporary insights…