Based on Her Results, Kathy Is Unable to Reject the Null

question 17

Multiple Choice

Based on her results, Kathy is unable to reject the null hypothesis, but she does feel that the effect size looks promising. What should Kathy do next?

• A) recalculate the effect size
• B) use a less stringent alpha level
• C) do a statistical power analysis
• D) reevaluate her hypothesis

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Definitions:

Diminishing Returns

An economic principle that states as investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot increase proportionally.

Negative Returns

A situation in which additional investment or effort results in a decrease in output or performance, contrary to typical expectations for growth or improvement.

Marginal Cost

The additional expenditure involved in producing one further unit of a product or service.

Fixed Cost

Costs that do not vary with the level of production or sales, such as rent, salaries, and insurance expenses.