Exhibit 13-3 To Test Whether or Not There Is a Difference Between

question 85

Multiple Choice

Exhibit 13-3
To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned to the 3 treatments. You are given the results below.
-Refer to Exhibit 13-3. The null hypothesis

• A)should be rejected
• B)should not be rejected
• C)should be revised
• D)None of these alternatives is correct.

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Definitions:

Poggendorf Illusion

The Poggendorf Illusion is a visual illusion where a diagonal line intersecting two parallel lines appears misaligned due to the interruption by an obscuring pattern, illustrating how perception can be distorted by context.

Ponzo Illusion

A visual illusion where two horizontal lines of equal length appear to be of different lengths because of converging parallel lines in the background.

Müller-Lyer Illusion

A visual illusion where lines of the same length appear to be of different lengths due to the addition of arrow-like fins.

Just Noticeable Threshold

The minimum difference in stimulation that an individual can detect 50% of the time, also known as the difference threshold.