ANALISIS MODEL RASCH PADA KEMAMPUAN SISWA SEKOLAH DASAR DALAM STATISTIK DESKRIPTIF; (A RASCH MODEL ANALYSIS ON ELEMENTARY STUDENTS ABILITY IN DESCRIPTIVE STATISTICS)

SAVITRI STRATAVIA, Subanar

2015 | Disertasi | FMIPA

This thesis contains measurement theory development to IRT Rasch model. This thesis discusses parameter estimations of the IRT Rasch model using maximum likelihood estimation method. This thesis aims to determine the ability of elementary school students in descriptive statistics and difficulty level of items used. There are 331 participants and 10 dichotomy items. Data result analysis IRT Rasch model by using software BilogMG stated that the participant ability are in satisfactory level and all items have good level difficulty, but items 1, 4, 6, 7, 8, and 10 which can be used as collection in school item bank. Therefore, teachers still need to take appropriate action to improve the ability of participant to be very satisfactory.

Kata Kunci : Measurement; IRT; Rasch Model; Maximum Likelihood; BilogMG.