Jeff Plans to Conduct a Small Experiment with Some of His

question 153

Multiple Choice

Jeff plans to conduct a small experiment with some of his friends.He writes the ten names on slips of paper and mixes them up in a bowl.He then draws the names one at a time.The first five names are assigned to the experimental group, and the last five names are assigned to the control group.In this example, Jeff's procedure illustrates:

• A)a single-blind research design
• B)the use of random assignment
• C)correlational research
• D)informed consent

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Definitions:

Fovea

A small depression in the retina of the eye where visual acuity is highest, due to the concentration of cone cells.

Fine Print

The small text in contracts, agreements, or advertisements that often contains important details which can impact rights and obligations.

Lens

A piece of transparent material, typically glass or plastic, that focuses or disperses light rays, used in glasses, cameras, and microscopes.

Cornea

The transparent front part of the eye that covers the iris, pupil, and anterior chamber, and is involved in focusing vision.