Provides lessons on survey design. See, too, other "Research Aids" including sample size formula.

online, 3 volumes, 2007.

Online, covers methodology, sample design, questionnaire pretesting, data collection and coding, etc.

"This website has been designed to help users locate examples of specific research questions and see them in the context within which they have been used for data collection. It is intended to assist with the design of new survey questionnaires, the search for data for secondary analysis, and the teaching of survey research methods."

From Roper, a description of basic principles of polling, sampling, how to read tables, and related lessons.

Fundamentals of analysis of polls.

"Acquires and maintains an extensive collection of numeric computer data files used for secondary analysis in the social sciences."

Easy, quick and free (up to 100 responses) tool for learning through creating online surveys.

Use to calculate how many people out of a specified population size would need to be interviewed; specify acceptable margin of error; calculates various confidence levels.

A 68-page booklet, produced by the National Opinion Research Center, covering survey design, focus groups, margin of error, and all topics related to survey research.