What Is Indicated by a Large Variance for a Sample

question 31

Multiple Choice

What is indicated by a large variance for a sample of difference scores?

• A)A consistent treatment effect and a high likelihood of a significant difference
• B)A consistent treatment effect and a low likelihood of a significant difference
• C)An inconsistent treatment effect and a high likelihood of a significant difference
• D)An inconsistent treatment effect and a low likelihood of a significant difference

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Definitions:

Polar Molecules

Molecules with a distribution of charge leading to one part being slightly positive and another part being slightly negative.

Aqueous Solution

A solution in which water is the solvent.

Ionic Compounds

Chemical compounds composed of ions held together by electrostatic forces termed ionic bonding.

Solutes Dissolve

The process by which a solute interacts with a solvent, dispersing evenly at the molecular or ionic level to form a solution.