Answer the following questions pleaseSolutionThe given quest

Answer the following questions please

Solution

The given question deals with the study of the design properties under study,

7.

The potential disadvantage of within-group design is,

within-group design tend to have less power than the analogous between-groups design.

8.

The experimental design which would counteract the levels is,

between-group designs.

9.

The validity which would be appropriate is,

Statistical Validity.