Psychometric characteristics of alternative assessment tasks

Paper presented at the ASEESA conference, "Assessment for competency: transforming policy into practice", held at Port Elizabeth Technikon, 26-29 Septembe

Evaluating the goodness-of-fit between science achievement test data and model assumptions in unidimensional item response theory

Paper prepared for the 4th industrial psychology conference, CSIR conference centre, 7-8 JuneIn psychometric theory we assume that the examinees' unobservable traits or abilities produce their test performances. Test scores provide a measure of these unobservable or latent traits

Factors influencing the level of performance in mathematics and language among learners in South Africa: a multi-level analysis

The major aim of this study was to investigate the effects of learner, school, and teacher factors on learner performance in language of instruction (English and Afrikaans) and mathematics among learners in grades 9 and 11 in South Africa. The study also explored the methodological advantage of using hierarchical linear Modellling (HLM) over conventional statistical techniques in analysing multi-level data

A framework for assessing communicative language ability in two indigenous South African languages at grade 9 level

Presented at the 27th annual IAEA conference, 6 - 11 May, Rio Othon Palace Hotel, Rio de Janeiro, BrazilThe development of indigenous African languages in South Africa had been hampered by the apartheid policies in education during the colonial years. After the democratic elections of 1994, the government has shown commitment to develop these languages to the same status as English and Afrikaans. This study will endeavour to develop a framework for assessing communication language ability and to investigate the factors that impact on teaching and learning of communication language ability in two indigenous Africa languages

Perceived causal attribution factors to academic performance : a multi-level analysis

ThesisDoctor of Philosoph

What drives South Africans to participate in local municipal elections

Paper presented at the Social Science Conference held at Birchwood Conference Centre, South Africa, 27-29 Septembe

Comparison of factors influencing pupils' performance in numeracy and literacy in four African countries

Paper presented at the 24th Annual Conference of the Association for Educational Assessment in Africa (AEAA) in Mbane, Swaziland on 28th August to 1 Septembe