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 Are the Types of Probability Samples?

Erin Ruel

There are three main types of probability samples: (1) simple random sampling, (2) stratified sampling, and (3) cluster sampling. But there are variations on each type plus ways to combine them. Therefore, there are a large number of ways to sample. Sampling can become extremely complicated fast. This book will cover the three basic forms. Going beyond these basic forms often requires the consultation of a statistician even for expert surveyors.

A simple random sample is one in which each person in the population is listed on a sampling frame. A number is assigned to each person. Then, using a random number generator, a sample of size n is collected. In this type of sampling, each person ...

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