ANALISIS TINGKAT PEMAHAMAN KONSEP SISWA KELAS XI IPA SMAN 3 MATARAM MENGGUNAKAN ONE TIER DAN TWO TIER TEST MATERI KELARUTAN DAN HASIL KALI KELARUTAN

: The objective of this research was to analyzed conceptual understanding level of XI science grade students of SMAN 3 Mataram by used one-tier and two-tier test in solubility and solubility product subject. One-tier test are examined to XI IPA 4 grade students and two-tier test to XI IPA 5 grade students. The results of conceptual understanding using one-tier test (57,4%) are higher than using two-tier test (21,03%). One-tier test only showed the students's conceptual understanding, whereas two-tier test could divided student's conceptual understanding into some understanding level trough analysis the pattern of student's answer in first tier and second tier. The analysis using two-tier test indicated some understanding level such as understand (20.77%), misconception-1 (22.05%), misconception-2 (18.08%), partial understanding witout misconception (0.13%), not understanding-1 (36.67%), not understanding-2 (0.38%), and not understanding-3 (1.67%). The results of this research showed that two-tier test was more effective on determining the student's conceptual understanding level than one-tier test.