A nine-year-old tested professional touch therapist. Using a cardboard partition

Question

A nine-year-old tested professional touch therapist. Using a cardboard partition, she held a hand above one of the therapist's hands, and the therapist was asked to identify the hand that was chosen. What type of study is this? What are the variables of interest?

A. Experiment. The variable of interest is the result of either correct or incorrect for each trial.

B. Observational study. The variable of interest is which hand is chosen by the therapist for each trial.

C. Observational study. The variable of interest is the result of either correct or incorrect for each trial.

D. Experimental. The variable of interest id which hand is chosen by the therapist for each trial.

Explanation / Answer

Ans : C. Observational study. The variable of interest is the result of either correct or incorrect for each trial.

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