APPENDIXES final index 170 result 142 student validated research 175 hemistry total 154 control mapping multiple 158 appendix homogeneity vii plan sheet 147 questionnaire lesson normality subject 139 categorized 135 178 tabulation score clas difference instrument 148 157 pretest posttest validity experiment OF 107 documentation 144 direct guided invalidated 151 bahasa difficulty solubility syllabu product metacognition concept inquiry normalized LIST choice level experimental test question distribution reliability page 150 selection gain instruction hypothesi