The adequacy of a sample would be primarily based on which of the following criteria?
a. Method chosen for sample selection
b. Representativeness of the population
c. Size of the total population
d. Willingness of subjects to participate
ANS: B
A sample needs to be representative in terms of characteristics, such as age, gender, ethnicity, income, and education.
Several methods serve to create an "adequate" sample. A sample needs to be representative in terms of characteristics, such as age, gender, ethnicity, income, and education.
Sampling methods serve to create a representative sample regardless of the size of the population. A sample needs to be representative in terms of characteristics, such as age, gender, ethnicity, income, and education.
Subjects would not be in the sample to begin with if they were not willing to participate. A sample needs to be representative in terms of characteristics, such as age, gender, ethnicity, income, and education.
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