Why Do Studies That Use Probability Samples Have Excellent External

question 16

Multiple Choice

Why do studies that use probability samples have excellent external validity?

• A)They have good internal validity too.
• B)They study every member of the population of interest.
• C)They are more complicated to do.
• D)All members of the population are equally likely to be represented in the sample.

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Definitions:

Immediate Family

Close relatives, typically including one's parents, siblings, spouse, and children.

Demand for Payment

A formal request for the payment of money owed, often preceding legal action for recovery.

Strong Arm Collection Agency

A debt collection agency known for using aggressive and often intimidating tactics to recover owed money.

Itinerant Sellers

Sellers who do not have a fixed place of business and travel from place to place to sell their goods or services.