If you want to compare groups over time, then your design is
A. within groups
B. one-way ANOVA
C. between groups
D. longitudinal
؟
Between Groups Designs
Compare it to another group (that is similar to research group except with respect to the treatment/construct you are measuring)
اذا قال لك groups نختار Between .. اكثر من مجموعة
Within Group Designs
Can compare one group to itself over time (i.e., before treatment and after treatment)
واذا قال لك group .. نختار within .. مجموعة وحدة ونقارنها بنفسها