An Illusion __________

question 11

Multiple Choice

An illusion __________

• A) is the same thing as a vision.
• B) is due to the action of the rods versus the cones in the retina.
• C) is a perception that does not correspond to reality.
• D) corresponds directly to something that you dreamed.

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Definitions:

Mann-Whitney U

A nonparametric test that compares differences between two independent groups on a single, continuous variable.

Wilcoxon Rank

The Wilcoxon Rank Sum Test or Wilcoxon Signed Rank Test is a non-parametric statistical hypothesis test used to compare two paired samples to assess whether their population mean ranks differ.

Critical Value

The value resulting from application of a statistical test that is necessary for rejection (or nonacceptance) of the null hypothesis.