Which of the following are common characteristics of experimental research?

AIt relies primarily on the collection of numerical data

BIt can produce important knowledge about cause and effect

CIt uses the deductive scientific method

DAll of the above ✓ Correct

Correct answer: (D) All of the above

Explanation

Experimental research relies primarily on the collection of numerical data, so this feature holds.

It can produce important knowledge about cause and effect, so this feature also holds.

It uses the deductive scientific method of testing hypotheses, so this feature holds too.

Each single trait is genuine, and the complete description holds all three together.

An experiment manipulates an independent variable and measures its effect on a dependent variable.

Control of extraneous variables is what secures its internal validity.

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