Because Training Interviewers and Researchers to Go Out and Conduct

question 4

Multiple Choice

Because training interviewers and researchers to go out and conduct research in person can be expensive,researchers have started using ____ instead.

• A)self-administered questionnaires
• B)face-to-face interviews
• C)telephone interviews
• D)close-ended questionnaires
• E)responsive questionnaires

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Definitions:

Marginal Costs

Marginal costs are the change in total costs that arise when the quantity produced is incremented by one unit, essentially the cost of producing one more unit of a good.

Average Variable Costs

Costs that change with the level of output, averaged over the total number of units produced.

Average Total Costs

The total of all production costs divided by the number of units produced, representing the per-unit cost of production.

Economic Depreciation

The decrease in an asset's value over time due to use, wear, or obsolescence.