118
normality
validity
139
129
activity
OF
113
107
observation
test
116
120
109
137
index
110
difficulty
126
answer
reliability
group
student
syllabu
page
discrimination
114
appendix8
115
instrument
work
122
APPENDICES
activitie
132
appendix
homogeneity
key
achievement
plan
normalized
PBL
LIST
106
sheet
117
testing
validation
individual
133
141
gain
calculation
lesson
hypothesi
111