HCI 3e - Ch 7: Design rules

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chapter 7 design rules

design rules <ul><li>Designing for maximum usability – the goal of interaction design </li></ul><ul><li>Principles of usab...

types of design rules <ul><li>principles </li></ul><ul><ul><li>abstract design rules </li></ul></ul><ul><ul><li>low author...

Principles to support usability <ul><li>Learnability </li></ul><ul><ul><li>the ease with which new users can begin effecti...

Principles of learnability <ul><li>Predictability </li></ul><ul><ul><li>determining effect of future actions based on past...

Principles of learnability (ctd) <ul><li>Familiarity </li></ul><ul><ul><li>how prior knowledge applies to new system </li>...

Principles of flexibility <ul><li>Dialogue initiative </li></ul><ul><ul><li>freedom from system imposed constraints on inp...

Principles of flexibility (ctd) <ul><li>Substitutivity </li></ul><ul><ul><li>allowing equivalent values of input and outpu...

Principles of robustness <ul><li>Observability </li></ul><ul><ul><li>ability of user to evaluate the internal state of the...

Principles of robustness (ctd) <ul><li>Responsiveness </li></ul><ul><ul><li>how the user perceives the rate of communicati...

Using design rules <ul><li>Design rules </li></ul><ul><li>suggest how to increase usability </li></ul><ul><li>differ in ge...

Standards <ul><li>set by national or international bodies to ensure compliance by a large community of designers standards...

Guidelines <ul><li>more suggestive and general </li></ul><ul><li>many textbooks and reports full of guidelines </li></ul><...

Golden rules and heuristics <ul><li>“ Broad brush” design rules </li></ul><ul><li>Useful check list for good design </li><...

Shneiderman’s 8 Golden Rules <ul><li>1. Strive for consistency </li></ul><ul><li>2. Enable frequent users to use shortcut...

Norman’s 7 Principles <ul><li>1. Use both knowledge in the world and knowledge in the head. </li></ul><ul><li>2. Simplify...

HCI design patterns <ul><li>An approach to reusing knowledge about successful design solutions </li></ul><ul><li>Originate...

HCI design patterns (cont.) <ul><li>Characteristics of patterns </li></ul><ul><ul><li>capture design practice not theory <...

Summary <ul><li>Principles for usability </li></ul><ul><ul><li>repeatable design for usability relies on maximizing benefi...

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