Pengembangan Instrumen Asesmen Kesulitan Belajar Pada Materi Stereokimia Meng…

The purpose this research are : 1) to developed assessment instrument of difficult study on material stereochemistry using model testlet 2) to knew characteristics (validation of problem, reliability of problem, level difficult study of problem, different potency of problem) assessment instrument of difficult study on material stereochemistry using model testlet of developed. 3) to knew tested …