Which of the Following Regarding the Assumption of Sphericity Is

question 14

Multiple Choice

Which of the following regarding the assumption of sphericity is false?

• A)When sphericity is violated, we need to adjust the degrees of freedom for any F-ratios affected by the violation.
• B)The effect of violating sphericity is a loss of power (i.e., an increased probability of a Type II error).
• C)Sphericity does not affect post hoc tests.
• D)When sphericity is violated, the Bonferroni post hoc test can be used.

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Definitions:

Hurricanes

Powerful tropical storms with violent winds and heavy rain, formed over warm ocean waters.

Rainforest

A dense, tropical forest receiving high annual rainfall, home to a vast diversity of flora and fauna.

Drumlin

A commonly teardrop-shaped hill formed when a glacier reshapes glacial deposits.

Roché Moutonnée

A rock formation created by glacial erosion that leaves one side of the rock smooth and polished and the other rugged and plucked.