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The 3 International Conference
rd
on Vocational Education and Technology (IConVET)
th
Universitas Pendidikan Ganesha - Bali | 7 November, 2020
APPLICATION OF PARTIAL CREDIT MODELS IN
TESTING PERFORMANCE ASSESSMENTS FOR
PROGRAMMING COURSE

N M S Mertasari , and I M Candiasa 1)
1)

Mathematics and Science Faculty, Universitas Pendidikan Ganesha,
Singaraja - Bali – Indonesia.

Abstract. The assessment of programming skills must be able to measure
holistically the theoretical abilities and programming skills. Performance
assessment is seen as an appropriate assessment to measure programming
ability because it is able to evaluate authentic ability through the process
carried out or the product produced. The problem that often arises is
performance assessment testing to measure programming capabilities. On
this occasion, the Partial Credit Model (PCM) was tried to test performance
assessments to measure programming capabilities. PCM is a development of
the Rasch model which both applies one parameter, namely the item
difficulty index. If the Rasch model is applied to dichotomous items, then
PCM is applied to politomic items. PCM assumes that all items have the
same difference power. The category score on the PCM shows the per-step
score for correctly completing the item according to the scoring rubric
developed. The probability of each test taker is estimated by calculating the
probability of answering each step in completing an item. There are five
items that were tested in two parallel classes in relatively different times.
The test results showed a difference in probability in the two classes, but the
difference was not too far away. So, the performance assessment is precise
enough to measure programming capability, and the test results are quite
precise when tested with PCM.

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