Ch 5: Resources & Examples


Examples of Sampling

Monitoring the Future (a Multistage Random Sample, Longitudinal Trend Study of American Youth)

Distribution of M&M Colors

Gallup Poll Sampling Issues

Unreliability of Political Election Polls

Can We Trust Polls without Cell Phone Sampling?

Polling Problems in Predicting Elections (UK 2015 Election)


Early Childhood Longitudinal Study (ECLS)

“UP” Series of Movies (British Longitudinal Panel interviews)

Canadian Longitudinal Survey of Children and Youth

Anecdotal vs. Statistical sample: “a handful of anecdotal data points are not worth very much in a country of more than 300 million people”

Research Design: Sampling, Weighting, Methodology



How to Use a Random Number Table

Random Number Generator

Random Playing Card Generator

Non-Probability Sampling Methods


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