Chapter 22 Planning who, what, when, and where

Choosing Your Users Who Is a Real User? Users who reflect the different skills, domain knowledge, system experience Users Working Alone or in Pairs Number of Participants Recruiting Extra Participants UIDE Chapter 22

How many participants are needed? UIDE Chapter 22

Choosing Your Users Ideas for Participants Offering Incentives Thank you letter, pay for out-of-pocket expenses, samples, gifts Recruiting Screeners and Pre-test Questionnaires Choosing Users for Global Warming UIDE Chapter 22

Creating a Timetable Decide the Duration of the Evaluation Session 30-90 minutes Create an Evaluation Timetable – sessions, evaluation, reporting Preparing Task Descriptions – the tasks the participant will perform while interacting with the prototype during the evaluation Task Cards Task Descriptions for Global Warming UIDE Chapter 22

Where Will You Do the Evaluation? Field Studies – user’s own environment Controlled Studies – other than user’s environment The Setting for the Global Warming Evaluation Arranging Usability Evaluation Sessions The Arrangements for the Global Warming Evaluation UIDE Chapter 22