Dr Masood Is Conducting an Experiment in Which She Is

question 141

Multiple Choice

Dr. Masood is conducting an experiment in which she is testing the effect of video game playing on the ability to think creatively. One group of children plays video games for two hours a day in a week, another group of similar children plays video games for a total of two hours in a week, and a third group of children do not play video games at all. All three groups of children then take a test measuring their creativity. The hypothesis that Dr. Masood is testing is best described as a ____ hypothesis.

• A) predictive
• B) control
• C) causal
• D) behavioral

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Definitions:

Rhodopsin

A light-sensitive receptor protein found in the rods of the retina, critical for vision in low-light conditions.

Photoreceptor

Sensory receptor that is sensitive to light—for example, rods and cones of the retina.

Lens Flattens

A process where the lens of the eye changes shape, becoming less curved, to focus distant objects clearly onto the retina.

Ciliary Muscles

Ring-shaped muscles located in the eye that control the shape of the lens to focus on objects at varying distances.