A step-by-step guide for calculating the most common statistical procedures in
user research using Excel or R. With over 100 examples pulled from the 2nd
Edition of Quantifying the User Experience (Morgan-Kaufmann) we provide the
reader with the right methods for comparing means and proportions, generating
confidence intervals, finding the right sample size as well as many statistical
procedures not available in common statistical packages. The procedures are
relevant for small and large sample sizes.