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 obtain a sample based on one available case and subsequent referrals

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

• 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 

• To conduct an exploratory study using a sample based on availability

Which of the following is the best benefit of using a representative sample? 

• Sampling can end when theoretical saturation is reached.

• The researcher can make generalizations about the wider population.

• The findings can be easily replicated.

• It allows the researcher to use a non–probability sampling method.

•   All of these

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

• Increase the size of the sample used

• Use an inter–rater reliability measure

• Decrease the size of the sample

• Use a probability–based technique

•   It is impossible to reduce or avoid

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

Probability sampling is possible only in cases where the sampling frame is known.

• TRUE

• FALSE

Generalizability to the population of interest is always the explicit purpose of both qualitative and quantitative research.

• TRUE

• FALSE