If a Researcher Suspects That the Strength of the Relationship

question 105

Multiple Choice

If a researcher suspects that the strength of the relationship in the population is .25 for the main effect of factor A,.03 for factor B,and .15 for the interaction effect as indexed by eta-squared,what sample size should she use per cell in a study involving four levels of factor A,two levels of factor B,and an alpha level of .05 in order to achieve a power of at least .95 for each effect?

• A)7
• B)12
• C)25
• D)53
• E)211

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Definitions:

Cost Producing

The total expenses incurred in manufacturing a product or delivering a service.

Marginal Product

The additional output gained by employing one more unit of a given input.

Resource Maximization

It is the technique or strategy of optimally utilizing resources to achieve the highest possible output or efficiency.

Least-costly Combination

A perfect combination of resources that lowers the production cost while reaching a target output level.