SOCW 238 CH 5 SAMPLING

Sampling is a technique by which _______ is acquired from a population of interest.

• Every single person

• The sampling frame

• The unit of analysis

• The test group

• The test population

Which of the following refers to a sampling method in which every individual or element in the population has a known chance of being selected?

•   Systematic sampling

• Purposive sampling

• Non-probability sampling

• Probability sampling

• Disproportionate sampling

Which of the following best describes the purpose of quota sampling? 

• To achieve a sample with a similar proportion of some characteristic of interest in the population of interest

• To obtain a sample based on one available case and subsequent referrals

• To use a combination of techniques to obtain all possible cases characteristic of the population of interest

• To achieve a representative sample based proportionate sampling of various geographic locations 

In which of the following circumstances is a researcher most likely to use convenience sampling?

•    The researcher is seeking a sample that has the same characteristics as the population

•   The population of interest is so large it would be impossible to include everyone in a study

• The study is quantitative, and certain characteristics of the population are known

• The sample size is known and is calculated for representativeness

• The study is exploratory and will serve as the starting point for learning about a group of interest

Which of the following is the best option for reducing sampling error?

• Use an inter–rater reliability measure

• Increase the size of the sample used

• Decrease the size of the sample used

•   Use a probability–based technique

• It is impossible to reduce or avoid