Combrinck, Celeste; Scherman, Vanessa; Maree, David J.F.(Sage, 2017-09)
The monitoring of learning over time is critical for determining progression within and across cohorts of learners. This research investigated the use of the Rasch Measurement Model to determine the functioning of anchor ...
Combrinck, Celeste; Scherman, Vanessa; Maree, David J.F.; Howie, Sarah J.(Sage, 2018)
Missing Not at Random (MNAR) data present challenges for the social sciences, especially when combined with Missing
Completely at Random (MCAR) data for dichotomous test items. Missing data on a Grade 8 Science test for ...
