Review for Midterm Spring 2018 Jeff Offutt https://www.cs.gmu.edu/~offutt/ SWE 205 Software Usability and Design

Parameters & Logistics 10:30 – 11:45 (the usual class time) Same room Closed book / closed notes / closed neighbor Covers readings, slides, homework assignments, and in-class exercises Spread out so you are not next to each other Break apart tables, 2 per table 205 - Midterm Review © Offutt

Concepts User friendly doesn’t make sense Usability is more than software 7 +- 2 rule Criteria : Time to learn Speed of performance Rate of user errors Know the users Nine golden screen design principles Visibility, mapping and affordance Knowledge in the head vs. knowledge in the world 205 - Midterm Review © Offutt

Concepts (2) Knowledge must be stored in the UI A good UI must be simple People are not good at being precise We must design for mistakes Anticipate, self-correct, help users People often blame themselves when they make mistakes Mental models Nielsen’s top 10 mistakes on the web Nielsen’s 10 website design tips 205 - Midterm Review © Offutt

Concepts (2) People do not read pages, they scan them at 70 mph Minimize noise Edit ruthlessly Overhead and excise tasks Memory and considerate software 205 - Midterm Review © Offutt

Preparing & Format Re-read the text and handouts Study the homework assignments Review the in-class exercises Get a good night’s sleep Expect different kinds of questions Short answer T / F M / C Single word answer questions Problem solving 205 - Midterm Review © Offutt