KEY FEATURES: Introduces students to developing research questions and shows their importance in driving research design. Rarely taught topics, such as how to enter and clean data, offer students information missed in both research methods and statistics courses. Shows how to write up survey results for academic, business and nonprofit reports to alleviate the confusion students feel about how to write up findings. Rigorous treatment of sampling focuses on many sampling issues from probability theory to weighting. Offers the process of actually conducting a survey with advice on administering surveys, incentives, and improving response rates.

What Is a Sampling Frame?

Erin Ruel

Drawing a probability sample starts by enumerating all members of the population. We call this list of all population members a sampling frame. It is necessary for collecting a probability sample. If we cannot create a sampling frame, we will have to either modify our sampling technique or switch to a nonprobability sample (introduced in Q17). If we were collecting a sample of U.S. states, our sampling frame would consist of the full population of U.S. states, of which there are 50. Knowing the population size allows us to calculate the probability of being selected into the sample (see Q20).

It is important to make the sampling frame as accurate as possible. U.S. states are easy to enumerate, but ...

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