The Effectiveness of Predict-Observe-Explain Strategy to Reduce Misconception in Thermochemistry

摘要

Thermochemistry is one of materials that had low student's understanding ability on National Examination in 2013-2015 which only gets 55.45%. This low percentage because of student still has misconception. Misconception can cause students having low ability to understand a concept. This misconception should be reduced, one of the ways to reduced is using remedial teaching with appropriate learning strategy which suitable with the problem that faced by student and one of them is predict-observe-explain (POE) strategy. The aim of this research is to know the effectivity of learning process using POE strategy to reduce misconceptions. This research was using One Group Pretest-Posttest Design. The sample is 33 students of XI MIA 4 at senior high school Kemala Bhayangkari 3. To know student conception this research using three tiers diagnostic test for pretest and posttest. A pretest was conducted after students have a conventional learning process with their teacher. Posttest was conducted after the student had given a treatment using POE strategy. Generally, the result shows students' changing conception. Initially, student's conception which knew the concept is 21.03% and student with misconception is 57.12%, after implementation of the learning process using POE strategy the conception changing gradually becomes 93.5% and 4.61%. So we can conclude that POE strategy effective to reduce misconception that had been experienced by student.