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.

How Is a Simple Random Sample Collected?

Erin Ruel

Let’s return to our sampling frame of 50 states. Let’s say we want a sample of size 10 (n = 10) states. How do we collect it? Well, we could put the name of each state on a slip of paper, stick the 50 slips of paper into a bag, mix them up, reach in, and blindly select 10 slips of paper. This is called random sampling without replacement because we pulled all 10 slips of paper at the same time. If all 10 states are pulled at the same time, the probability of being selected is a function of the sample size divided by the population size, n/N or 10/50 = 1/5 or .20. This ...

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