Browsing Research Articles (Chemistry) by Subject "Rasch models"

Now showing items 1-3 of 3

Assessment of preparedness of first-year chemistry students : development and application of an instrument of diagnostic and placement purposes

Potgieter, Marietjie; Davidowitz, Bette; Venter, Elsie (Southern African Association for Research in Mathematics, Science and Technology Education, 2008)

Many universities in South Afirca use alternative admissions tests together with results of the Grade 12 examinations for access of placement. These tests focus on academic literacy and mathematical skills and doe not ...
Confidence versus performance as an indicator of the presence of alternative conceptions and inadequate problem-solving skills in mechanics

Potgieter, Marietjie; Malatje, Esther; Gaigher, Estelle; Venter, Elsie (Routledge, 2010-07)

This study investigated the use of performance-confidence relationships to signal the presence of alternative conceptions and inadequate problem-solving skills in mechanics. A group of 33 students entering physics at a ...
The usefulness of the Rasch model for the refinement of Likert scale questionnaires

Retief, Liezel; Potgieter, Marietjie; Lutz, Marietjie (Southern African Association for Research in Mathematics, Science and Technology Education, 2013)

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 ...

Now showing items 1-3 of 3

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