The research presented in this article deals with the difficulties and mental processes involved in the definition, implementation, and use of abstract data types encountered by 12th grade advanced-level computer science students. Research findings are interpreted within the theoretical framework of "reducing abstraction" [Hazzan 1999]. The…

This paper focuses on challenges in mentoring software development projects in the high school and analyzes difficulties encountered by Computer Science teachers in the mentoring process according to Shulman's Teacher Knowledge Base Model. The main difficulties that emerged from the data analysis belong to the following knowledge sources of…

This article presents a tutor-centered tutoring model that aims to develop and establish the pedagogical-disciplinary knowledge and skills of prospective teachers. The tutoring model and the research that accompanied its implementation are presented. The tutor-tutee pairs worked for two five-session cycles for two semesters, enabling prospective…

This work examines the Israeli National Informatics-Computer Science (CS) Olympiad from the perspective of diversity. A conspicuous phenomena in this olympiad (as well as in other science olympiads) is that very few females participate in the national competition, and none has ever represented the country in any international competition. When…

This paper discusses the role of reduction in computer science and describes a study on undergraduate students' perception of the concept of reduction. Specifically, based on an analysis of students answers to questions addressing different computer science topics, we present several findings regarding the ways in which undergraduate students…