The Survey System Tutorial
http://www.surveysystem.com/sdesign.htm
This online chapter from The Survey System Tutorial is geared to those new to survey research. It provides step-by-step information on designing and conducting a survey, including a review of sampling issues.
Learning About Survey Sampling Through Simulation
http://www.soc.surrey.ac.uk/samp/quota.php
Practice using different sampling methods and examine the differences in the outcome measures. For example, how does the mean response score of a stratified random sample compare to a quota sample?
Pain Rating Scales
http://medind.nic.in/iba/t03/i3/ibat03i3p13.pdf
When pain is not measured vocally, the pain and its severity are measured using rating scales. The pain scales on this website are examples of different types of rating scales.
Surveys and Psychology Tests
http://www.bbc.co.uk/science/humanbody/mind/index_surveys.shtml
There are several online surveys and tests listed on this website. If one of the topics interests you, consider taking the online survey/test as part of an educational experience.