Is the Key Flaw in Studies of the Effect of Exercise

question 45

Multiple Choice

is the key flaw in studies of the effect of exercise on mental abilities in which comparisons are made between regular exercisers and sedentary adults?

• A) The exercisers use so many different forms of exercise that we can't be sure what works.
• B) Sedentary subjects may actually exercise somewhat but not report it.
• C) Those who choose to exercise may be different in other significant ways from those who choose to be sedentary.
• D) The samples of exercisers are normally younger than the samples of sedentary adults to whom they are compared.

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Definitions:

Non-manufacturing Costs

Expenses incurred by a company that are not directly related to the production of goods, including administrative and marketing costs.

Activity-based Costing

A method of costing that identifies activities in an organization and assigns the cost of each activity to all products and services according to the actual consumption by each.

Reported Product Costs

Costs associated with the production of goods that are documented and presented in financial statements, including materials, labor, and overhead expenses.

Overhead Rates

The ratio used to allocate manufacturing overhead costs to units produced or services provided, based on a specific formula or allocation base.