Bad Design Examples 2010 2 sblim 2010 1

Bad Design Examples 2010년 2학기 숙명여자대학교 임순범 Ⓒsblim, 2010 1

Bad Designs Web site l Darnell, M. J. (2006). Bad Human Factors Designs. Baddesigns. Com , http: //www. baddesigns. com u u l usability engineer at Microsoft TV usability engineer at Netscape Communications Corporation software usability and design at IBM Ph. D. in Cognitive Psychology All photos and contents u u “Photograph courtesy of Baddesigns. Com". Copyright © Michael J. Darnell 1996 -2010. All rights reserved. Ⓒsblim, 2010 2

Things that don't work the way you expect Things l Coffee machine Ⓒsblim, 2010 Design suggestion 3

Things that don't work the way you expect l This is a mop sink Ⓒsblim, 2010 l How do you open the refrigerator? 4

Different things that are too similar l What's in the bottle? Ⓒsblim, 2010 l Plugging in a USB connector 5

Things that are hard to see l Please push slowly! Ⓒsblim, 2010 l Push to start 6

Things that don't work well together l Hiding the radio Ⓒsblim, 2010 l A reach-around mirror 7

Things that are hard to remember, Things that take too long to respond l Which side has the gas cap? l What time is it? Ⓒsblim, 2010 8

Displays that look like controls l Displays & Controls Ⓒsblim, 2010 Labels that look like pushbuttons 9

Different displays that are too similar l How fast am I going? Ⓒsblim, 2010 l How much is the gas? 10

Incompatible mapping of controls to devices l Guess which switch controls the projector screen? Ⓒsblim, 2010 l Stove top controls 11

Unexpected placement of controls, Inconsistent control activation l Where's the flusher? Ⓒsblim, 2010 l How do you unlock the door? 12

Controls that are hard to remember, Controls that are too close together l Which control turns on the fan? Ⓒsblim, 2010 l Oops, I popped the trunk lid by mistake! l Hidden control : How do you open the gas cap door? 13

Unexpected mapping between functions and controls l Which way do you turn the handles? Ⓒsblim, 2010 l Controls with conflicting cues : Turn down the TV 14

Ambiguous signs l Maximum occupancy not to exceed 182 persons Signs, Names and Labels Ⓒsblim, 2010 15

Patterns of signs l Ok, which code do I write down? Ⓒsblim, 2010 l Where did we park the car? 16

Missing labels, Incompatible mapping of labels to connectors l Which number is it? - Automobile title Ⓒsblim, 2010 l Where do you plug in the mouse? 17

Recommended Books l The Design of Everyday Things, by Donald A. Norman u l The Evolution of Useful Things, by Henry Petroski u l This classic book examines design from a psychological point of view. This book is suggested for people new to the field. This book looks at the design of things from an historical and engineering point of view. Handbook of Usability Testing: How to Plan, Design, and Conduct Effective Tests, by Jeffrey Rubin u Rubin's book is good for designers, engineers and programmers who want to do usability tests of their designs. Ⓒsblim, 2010 18