ITEC 3230 Lecture Notes - Design Of Experiments, Electronic Signatures In Global And National Commerce Act, Usability

• School: York University
• Department: Information Technology
• Course: ITEC 3230
• Professor: Sotirios Liaskos

Document Summary

Data is recorded on video & key presses. Field observations may be used to provide are logged. times, and to identify & explain errors. questionnaires & interviews. contextual understanding. Goals & questions focus on how well users perform tasks with the product. Focus is on time to complete task & number. Data collected by video & interaction common. logging. User satisfaction questionnaires & interviews provide data about users" opinions. Experiments test hypotheses to discover new knowledge by investigating the relationship between two or more things i. e. , variables. Developers check that the system is usable by the intended user population for their tasks. Experiments may also be done in usability testing. Tasks usually last no more than 30 minutes. The test conditions should be the same for every participant. Informed consent form explains procedures and deals with ethical issues. Time to complete a task after a specified time away from the product. Number of users making a particular manuals. error. successfully.