Suppose that you conduct an experiment to study the effects of love on improving children's self-concepts. To manipulate love, you allow a research assistant to hug each child after he or she has successfully completed a set of math problems. After the study is over, you ask the children if they felt loved during the study. They all say no. Apparently, your operational definition of your independent variable is
A) unreliable.
B) not operational.
C) too subjective.
D) invalid.
E) not objective.

Question

Quizplus · Accepted Answer

The operational definition of the independent variable (love) is invalid because it did not effectively manipulate or measure the concept it was supposed to (love), as evidenced by the children's responses indicating they did not feel loved.

Suppose That You Conduct an Experiment to Study the Effects