One Way to Increase Power Is to Minimize the Variability

question 44

Multiple Choice

One way to increase power is to minimize the variability of the raw scores.How might this be accomplished?

• A)Change  from 0.05 to 0.01.
• B)Change the size of N from 100 to 25.
• C)Design and conduct the experiment so that all the subjects in a sample are treated in a consistent manner.
• D)Select two very different levels of the independent variable that are likely to produce a relatively large difference between the means.

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Definitions:

NADH

Nicotinamide adenine dinucleotide (NAD) in its reduced form, which is a coenzyme involved in making energy in the body through the process of oxidative phosphorylation.

Citric Acid Cycle

A key metabolic pathway that integrates the energy metabolism of carbohydrates, fats, and proteins through the oxidation of acetyl-CoA, producing ATP.

ATP Synthesis

The biochemical process of creating ATP (adenosine triphosphate), the primary energy carrier in cells, through cellular respiration or photosynthesis.

Glycolysis

A metabolic pathway that breaks down glucose into pyruvate, generating ATP and NADH in the process.