Which of the Following Tactics Will Reduce the Power of a Planned

question 47

Multiple Choice

Which of the following tactics will reduce the power of a planned study using a t test for independent means?

• A)using a less stringent significance level (such as .10 instead of .05)
• B)using more precise measures
• C)increasing the size of your samples
• D)using unequal sample sizes instead of equal ones (for the same number of participants)

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Definitions:

Opportunity Cost

Forgoing the possibility of profit from various alternatives by choosing a specific one.

Production

The method of merging different tangible and intangible inputs (like designs and expertise) to produce an item meant for consumption (known as the output).

Opportunity Cost

The cost of foregone alternatives when one option is chosen over another.

Coffee

A popular beverage made from roasted and ground beans of the Coffea plant, consumed worldwide for its stimulating effects.