A Researcher Studied Whether Meeting Regularly with a Weight-Loss Counselor

question 31

Multiple Choice

A researcher studied whether meeting regularly with a weight-loss counselor helps dieters lose weight. Eighty dieters were available for the study. Half the dieters, assigned at random, received weight-loss counseling. The other half did not. After six months, the weight lost by each dieter was measured. On the average, those who met regularly with a weight-loss counselor lost more weight than those who did not.
This study is a(n)

• A) randomized comparative experiment.
• B) experiment, but without randomization.
• C) simple random sample.
• D) observational study, but not an SRS.

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Definitions:

Perpetual Inventory System

An accounting method that continuously updates inventory records for each purchase and sale of inventory.

Cost of Merchandise Sold

The total cost incurred to purchase or manufacture the goods sold during a specific period.

FOB Shipping Point

A term used in shipping indicating that the buyer assumes responsibility for the goods and the cost of transportation once the goods leave the seller’s premises.

Report Form

The form of balance sheet with the Liabilities and Owner’s Equity sections presented below the Assets section.