normality 211 worksheet experiment 139 activity teacher 145 tabulation 160 percentile sensitivity 152 affective outcome documentation test 116 177 normal distribution 109 138 index liliefor clas value specification table 182 142 student page deviation learning 150 130 research 208 198 140 154 control list below assessment instrument critical 158 169 appendix homogeneity vii plan 190 148 area post curve 172 mean mastery 209 psychomotor mark 210 standard calculation lesson pre hypothesi 185 164