Why Might a Researcher Choose Purposive Sampling Over Systematic Sampling

question 37

Multiple Choice

Why might a researcher choose purposive sampling over systematic sampling?

• A)Purposive sampling is always cheaper.
• B)External validity is not vital to the researcher's study.
• C)Only purposive sampling allows the researcher to study a particular type of participant.
• D)The researcher does not have to specify a population of interest ahead of time.

Understand the principles of chemical reactions, including energy changes and conservation of matter.

Describe the principles behind pH, acidity, and buffering in biological systems.

Differentiate between covalent, hydrogen, and ionic bonds in terms of strength and their roles in biological molecules.

Explain the significance of the atomic structure in determining chemical properties and behaviors of elements.

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Definitions:

Risk Aversion

A preference for guaranteed outcomes over those with uncertainty, even if the uncertain outcome might offer a higher expected return.

Utility from Insurance

The satisfaction or utility gained by individuals from reducing uncertainty and risk in their lives through the purchase of insurance contracts.

Income Increase

Income increase refers to the rise in an individual's or household's earnings, affecting their purchasing power and consumption habits.

Fair Insurance Policy

An insurance policy for which the premium is equal to the expected value of the claim.