Free Trial

Safari Books Online is a digital library providing on-demand subscription access to thousands of learning resources.

Share this Page URL
Help

Index > B - Pg. 291

Index Page numbers in italics indicate figures, tables and boxes. A A Practical Guide to Measuring Usability (Sauro), 270 A Practical Guide to the System Usability Scale (Sauro), 270 A/B testing, 15, 83­84 Abelson's styles, rhetoric, 259 Acquiescence bias, 204, 207 ACSI, see American Customer Satisfaction Index Adjusted-Wald binomial confidence interval, 122­123 completion rate, 26 framework for, 89 sample size estimation for, 125 Adjusting small sample estimates, 149­155 After-Scenario Questionnaire (ASQ), 213, 213 Alpha inflation, 257, 257 American Customer Satisfaction Index (ACSI), 229 Analysis of variance, 269 Area, under normal curve, 278­280 ASQ, see After-Scenario Questionnaire Assessment of reliability, 187 Bonferroni adjustment, 258, 260 Brute-force method, 151 C Capture­recapture models, 174 Card-sorting, 270 Central limit theorem, 108, 246, 280­282 Central tendency, measure of, 274­275 Chi-square statistics, 87­88 Chi-square tests of independence, 75­76 sample size estimation for, 128­131 Classical test theory (CTT), 212 Clicks, 15 Clopper-Pearson formula, 22 Coefficient alpha, 187 Collecting multiple metrics, 14 Combination formula, 168 Combined scores, 14 Combined usability metrics, 14 Combining measurements, 254 B