When the change from pretest to posttest is due not to your program but rather to a change in the way you measured the outcome,there is a(n)_______________ threat to internal validity.

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The Answer of When the change from pretest to posttest is due not to your program but rather to a change in the way you measured the outcome,there is a(n)_______________ threat to internal validity.

When the Change from Pretest to Posttest Is Due Not