127 136 index APPENDIX result 142 student 128 activenes bee control character 132 appendix homogeneity valid plan sheet 147 calculation lesson normality 129 135 124 observation 120 relation 161 clas data 131 work instrument guidance 157 141 had validity experiment OF 144 151 110 difficulty cooperation syllabu analysi 130 between 115 125 LIST lattice level experimental test question 126 reliability 150 discrimination 104 143 achievement not 133 gain hypothesi