Evaluating teachers' professional development initiatives (PDI) is one of the main challenges for the teacher professionalisation field. Although different studies have focused on the effectiveness of PDI, the obtained effects and evaluative methods have been found to be widely divergent. By means of a narrative review, this study provides an…

The viewpoints of contributors to the forum are reviewed. Many of the disagreements represent fundamental differences in what constitutes evaluation. All four authors agree that the formative/summative distinction is useful and will continue to be an important concept in program evaluation, although the distinction needs greater clarification.…