ANALYSIS OF STUDENT MISCONCEPTIONS USING THREE-TIER MULTIPLE-CHOICE DIAGNOSTIC TESTS ON REACTION RATE MATERIAL IN SMA NEGERI 2 PERCUT SEI TUAN

This descriptive research aims to analyze the level of students'
misconceptions on the reaction rate material and analyzing misconceptions on
each concept in the reaction rate material. The reseach method used is descriptive
research with a quantitavie approach. The sample in this research are 30 students
of Grade XI students of SMAN 2 Percut Sei Tuan. The instrument used in this
research is three-tier multiple-choice diagnostic test, with total 20 questions. The
results showed that the average of students’ misconception of SMAN 2 Percut Sei
Tuan who experience misconception is 61,6%. Students’ misconception occurs in
each concepts of reaction rate material. Percentages of students' misconceptions
on reaction rate and reaction rate expressions have percentage 54.25%, in concept
reaction order have percentage 62.86%, in concept factors affecting reaction rate
have percentage 60.57%, in concept collision theory have percentage 73.70%, and
in concept reaction rate equation have percentage 52.57%.