Design and validation of a dynamic assessment model based on the item response theory
The goal of this paper is to describe an assessment model based on an item selection iterative process using a dynamic estimation of the student knowledge. The idea behind such a model is to achieve equilibrium between the progress demonstrated by the student and the items that are used during the assessment process. In this way two common phenomena are avoided: the boredom of 'advanced' students, and the frustration of the 'straggler' ones. For the design of such a model the Computerized Adaptive Testing approach was followed using the Item Response Theory and in particular the logistic model with three parameters. To validate the proposal a study was performed with 59 students in a real educational environment, speci cally within a college course in data structures. Such a study demonstrated, through hypothesis tests, not only a signi cant raise in the measuring accuracy with regard to the knowledge level of the examinees, but also a dropout in the mean assessment time.
| Main Authors: | , |
|---|---|
| Format: | Digital revista |
| Language: | spa |
| Published: |
Universidad Nacional de Colombia - Sede Medellín - Facultad de Ciencias
2015
|
| Online Access: | https://revistas.unal.edu.co/index.php/rfc/article/view/53174 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|