When Analyzing the Difference Between Two Means, Professor Angus Obtains

question 62

Multiple Choice

When analyzing the difference between two means, Professor Angus obtains the effect size as .85 using Cohen's d. In this case, Professor Angus can conclude that:

• A)85 percent of the effect on the dependent variable is due to the manipulation.
• B)there is a correlation of .85 between the independent variable and the dependent variable.
• C)the means are separated by a .85 standard deviation.
• D)the results would only occur 85 percent of the time.

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Definitions:

Lithosphere

The outermost layer of the Earth, comprising the crust and the uppermost part of the mantle, which is rigid and brittle.

Abyssal Plain

Large, flat areas of the deep ocean floor, situated between continental margins and mid-ocean ridges, covered with fine sediment.

Mid-Ocean Ridge

An underwater mountain range formed by plate tectonics, characterized by volcanic activity and new seafloor formation.

Isostasy

A principle stating that the Earth's crust is in gravitational equilibrium, where areas of thicker or denser crust sink deeper into the mantle, and areas of thinner crust rise.