Question: Groups would not be considered equivalent in a between-groups design if: a. Research groups are created by matching of like characteristics. b. Every other research

Groups would not be considered equivalent in a between-groups design if:

a.

Research groups are created by matching of like characteristics.

b.

Every other research participant was placed in each group.

c.

Groups are formed by matching overall means together first.

d.

Research participants are randomly assigned to groups by the researcher.

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