A study funded by UK DERA at the University of Nottingham in the mid-1990s examined performance on a concept formation task, where subjects had to classify schematic aeroplanes as being either ‘USA’ or ‘Australian’. Subjects displayed poor performance, but more intriguingly exhibited a wide range of variability. A simple model of the same task, constructed in ACT-R, also displayed great variabi...

The Students' Health and Welfare Centres Organisation (SHAWCO) is a student-run non-profit community development organisation based at the University of Cape Town (UCT). In 2012, SHAWCO celebrates its 69th anniversary, making it the oldest active student-run free clinic in South Africa. Over the past 7 decades, SHAWCO has become an integral part of the UCT Faculty of Health Sciences. This artic...