Analisis Item Response Theory Raven's Coloured Progressive Matrices pada Sampel Anak Usia Dini

Abstract

Raven's Coloured Progressive Matrices is a cognitive test that’s used widely In Indonesia. Its short and non-verbal items makes it suitable for individuals of various cultural backgrounds. In practice, the popularity of this test is not accompanied with its up-dated psychometric propert , especially in relation to the fitness of the item questions. In this study, a question analysis using the IRT technique examine the item questions, using the three parameter logistic model (3PL). The participants of this study are 467 kindergarten students aged 5-7 in the city of Bandung. All items of the test yield favorable statistics under the 3-Parameter Logistic IRT Model with regards to discrimination, difficulty, and guessing. There are 31 items, in either series A, series B, and series AB or the equivalent of 86% of the total number of CPM items that have a difficulty level in the average category. In estimating the probability parameter for guessing, only one item is categorized as an item with a rejected guessing probability.97% Therefore, 97% of the CPM items generate an acceptable guessing probability based on the selected criteria.