هذا السؤال
If you want to compare groups over time, then your design is
A. within groups
B. one-way ANOVA
C. between groups
D. longitudinal
اختلفوا الناس بين A + ْ D
اعتقد انه ( A) .. لان اوفر تايم تعني كم مره ( مو زمنية )
Can compare one group to itself over time (i.e., before treatment and after treatment)