Two Separate Studies Examine the Potential Association Between Occupation Type

question 36

Multiple Choice

Two separate studies examine the potential association between occupation type and voter participation.The first advertises online for participants and asks those who respond to tell the researchers in-depth accounts regarding their paid work and their voting behaviors for the last three years.The second study randomly selects 200 respondents and asks them to complete a standardized set of survey questions about their paid work and voting behaviors over the past five years.The first study observes a patterned relationship between work and voting,while the second study does not.The reason the second study's results are more valid is that the

• A)first study is based on experimental data,which are less reliable.
• B)second study is based on a probability sample.
• C)second study is based on more years of data on voting behaviors.
• D)first study does not allow us to infer causality,but the second does.

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Definitions:

Return On Investment

A profitability ratio that calculates the return gained on an investment relative to the investment’s cost.

Investment Opportunity

Investment Opportunity is a term used to describe a business, project, or asset that has the potential to generate significant financial returns or profits.

Minimum Required Rate

The lowest acceptable rate of return on an investment, set by the investor.

Throughput Time

The total amount of time it takes for a product to move through the entire production process, from start to finish.