To Say That an Experiment Contains a Confound Means That

question 39

Multiple Choice

To say that an experiment contains a confound means that

• A)different subjects are assigned to each group.
• B)the dependent variable is measured.
• C)the independent variable is manipulated.
• D)there is an uncontrolled extraneous variable in the experiment.

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Definitions:

Opponent Cells

Specialized cells in the visual system that help perceive color by opposing each other.

Pitch

The perception of the frequency of a sound, determining how high or low a tone sounds.

Frequency

The rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves) or in an electromagnetic field (as in radio waves and light), usually measured in hertz.

Hue

A specific shade of a color perceived by the eye, determined by its wavelength of light.