Michelle Conducts an Experiment on the Effect of Low and High

question 18

Multiple Choice

Michelle conducts an experiment on the effect of low and high anxiety on test performance. The results achieved are nonsignificant. She does not know if anxiety truly has no effect on performance or whether she had conducted faulty procedures. How could this ambiguity be avoided?

• A)By conducting an ethics evaluation
• B)By checking the external validity of the variables
• C)By factorial study using better controls
• D)By conducting a manipulation check

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Definitions:

Light Energy

The form of energy that is visible to the human eye and is responsible for the sense of sight.

Brightness

A visual perception describing how luminous or vivid a light source or color appears to be.

Trichromatic Theory

A theory of color vision based on the existence of three types of cones in the retina that are most sensitive to blue, green, or red light.

Nobel Prize

A set of international awards given annually in several categories such as Physics, Chemistry, Medicine, Literature, and Peace, to individuals or organizations who have made significant contributions to humanity.