As Marketing Manager for a Very Large Discount Building Supply,you

question 38

Short Answer

As marketing manager for a very large discount building supply,you wish to know what proportion of your city's population conducted do-it-yourself home improvement projects during the past year.The national percentage is 62%; therefore,you decide to use this value in estimating sample size for a study to achieve 90% confidence with the estimate no more than 5% from the true proportion.What is the appropriate sample size?

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Definitions:

Physiological Measures

The quantification of biological responses, such as heart rate, skin conductance, and brain activity, which are used to assess physical and emotional states.

Sleepers

Individuals who, after being exposed to a persuasive message, increase their acceptance of the message over time, even if they initially resisted it.

Defense Mechanisms

Mental mechanisms activated without awareness to defend against anxiety triggered by thoughts or feelings judged as inappropriate.

Individual Differences

Variations among individuals in qualities or attributes, including personality, intelligence, interests, and behaviors.