Which of the Following Is a Limitation of Telephone Interviewing

question 18

Multiple Choice

Which of the following is a limitation of telephone interviewing?

• A) They can be inaccessible for some respondents or households.
• B) Telephone interviewing raises sampling bias.
• C) Lack of respondents with any phone access.
• D) Lack of response due to people not answering calls from unfamiliar numbers.

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Definitions:

Unit Contribution Margin

The difference between the selling price per unit and the variable cost per unit. This figure shows how much each unit contributes to covering fixed costs and generating profit.

Fixed Costs

Expenses that do not change in total as production volume increases or decreases, such as rent and salaries.

Safety Margin

The difference between the actual level of sales or production and the break-even point, measuring the cushion a company has before it incurs losses.

Break Even Point

The financial analysis term where total revenues equal total expenses, and there is no profit or loss.