This study compares the scientific and alternative conceptions of energy and momentum of university first-year science students in Ethiopia and the US. Written data were collected using the Energy and Momentum Conceptual Survey developed by Singh and Rosengrant. The Concentration Analysis statistical method was used for analysing the Ethiopian…

This article presents a reflection on an aspect of research methodology, particularly on the interpretation strategy of data from a Science and Indigenous Knowledge Systems Project (SIKSP) in a South African university. The data interpretation problem arose while we were analysing the effects of a series of SIKSP-based workshops on the views of a…

In this paper the use of the Rasch model is explored as a transparent, systematic and theoretically underpinned response to quality issues that are widely recognised as problematic in the refinement of Likert scale questionnaires. Key issues are the choice of length of scale, the pursuit of a favourable estimate of Cronbach's alpha at the possible…

This paper reports on the metaphors that 36 third-year university mathematics education students have about mathematics. These metaphors were investigated through a questionnaire with five open-ended items. An inductive analysis of the students' metaphors for mathematics indicated that students had well developed and complex metaphors about…

It has been argued in recent educational literature that assessment drives learning, and that assessment should therefore rigorously align with the intended outcomes of a course of study. This article describes a research project analysing the assessment tool for the research component of a professional degree in a faculty of engineering and the…