CSC318H1 Chapter Notes - Chapter 14: Null Hypothesis, Usability, Dependent And Independent Variables
Document Summary
Usability testing test whether product being developed is usable by the indeded user population to achiueve the tasks for which it was designed: may incl. comparison of products or prototypes, emphasis: Test them on representative tasks: test conditions remain same btwn participants, informed consent form explain procedure, deals w/ ethical. Methods, tasks and users movements: collect data about users" performance on predefined tasks, methods incl. video recording, logging keystrokes/mouse. Find out what the users really feel about product, rate it. Navigating through different menus: quantitative preformance measures. Time it takes trypical users to complete a task. Time to complete a task after specified time away from the product. Number and type of errors per task. Number of errors per unit of time. Number of navigations to online help or manuals. Number of users completing task successfully: number of users, 5 12 usually acceptable. Fewer users is fine if pratical issues exists.
