من ضمن الـ 70 سوال هنا سوالين مقتربين من بعض وحبيت اضعها هنا

24- if you want to compare groups over time , then your design is :
A- within groups
B- one-way ANOVA
C- between groups
D- longitudinal

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63- If you want to compare the same groups at one point in time, then your design الصوره ناقصه
A. Cross-sectional
B. Between groups
C. Within groups
D. Longitudinal