Certainty Based Assessment - CBA
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Certainty-Based assessment

London Approved Protocol for Teaching - LAPT

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Dissemination of formative confidence-based exercises: AIMS

   1. To facilitate the dissemination of a successful innovative teaching system from UCL to other institutions
   2. To develop reflective study habits in students, through use of confidence-based assessment
   3. To improve the reliability and validity of exam data through the use of confidence-based assessment
   4. To facilitate institutional sharing of formative and summative exercises, in all disciplines
   5. To extend the assessment and practice of numeracy skills with these techniques, in new contexts and at new levels
   6. To encourage the evaluation and adoption of confidence-based assessment by software vendors and exam boards

The LAPT teaching system (London Agreed Protocol for Teaching ) was initiated in 1994 following discussions with Physiology Departments of several London Medical Schools (now mainly amalgamated within UCL and Imperial College). The principal aim, which required development of a new system rather than use of any available commercial system at the time, was to introduce confidence assessment, where students rate their certainty for each answer along with the answer itself, into routine study practice. This helps students develop the habit of reflecting and analysing where their knowledge comes from. We now have a base of over 10,000 questions and much directly associated instructional material. This is widely used, with over a million marked answers per year at UCL, mostly in medical and BSc students’ self-directed study, and partly at the students' suggestion, is now incorporated as a more fair and efficient system into the medical students' exams.

A.R. Gardner-Medwin,  Dept. Physiology, UCL, London WC1E 6BT

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