________ Is a Measure of Accuracy of an Experiment

question 87

Multiple Choice

________ is a measure of accuracy of an experiment.It measures whether the manipulation of the independent variables,or treatments,actually caused the effects on the dependent variable(s) .

• A)External validity
• B)Extraneous validity
• C)Internal validity
• D)None of the above

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Definitions:

Pupil

The opening in the center of the iris of the eye that adjusts in size to regulate the amount of light reaching the retina.

Focuses Light

The process of adjusting the path of light rays to converge at a point or to spread out from a point.

Retina

The light-sensitive layer of tissue at the back of the inner eye, which includes rods and cones that process visual images and send them to the brain.

Cornea

The transparent front part of the eye that covers the iris, pupil, and anterior chamber, responsible for focusing most of the light that enters the eye.