Everything You Never Wanted to Know About Analyzing Data and Forgot - Walks you through step-by-step on how to set up an Excel spreadsheet, validation rules, run analyses (including descriptives, correlations, t-tests), and use tables to summarize data (Wendy Kallina).
Item Analysis without Complicated Statistics - Sections include Item Analysis in Eight Simple Steps; Interpreting Item Analysis; Crunch Your Own Numbers (University of Lethbridge, Alberta).
Research Resources – Quantitative, qualitative, and statistical resources.
Sample Size Calculator - “This Sample Size Calculator is presented as a public service of Creative Research Systems. You can use it to determine how many people you need to interview in order to get results that reflect the target population as precisely as needed. You can also find the level of precision you have in an existing sample.”