Which of the Following Studies Is Best for Showing That

question 47

Multiple Choice

Which of the following studies is best for showing that the first variable causes changes in the second variable?

• A)A researcher asks people who are entering the grocery store how hungry they are and then asks them how much they spent on food as they leave the store.
• B)A researcher assigns participants to sleep various amounts of hours and then observes how cranky they are.
• C)A researcher asks participants how well they like to think and how many books they have read in the last 6 months.
• D)A researcher asks participants how many hours per week they listened to Beethoven while growing up and then gives them a math ability test.

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Definitions:

Variable Expenses

Costs that vary in direct proportion to changes in the level of activity or volume of goods produced.

Fixed Expenses

Costs that do not vary with the level of production or sales, such as rent, salaries, and insurance premiums, providing stability in financial planning.

Break-Even Point

The production level or sales volume at which total revenues equal total expenses, with no net profit or loss.

Variable Expenses

Expenses that fluctuate in direct proportion to the amount of production or the volume of sales, including items like direct labor and raw materials.