Usability Benefits Quiz Lawrence Najjar Lawrence Najjarpb com

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Usability Benefits Quiz Lawrence Najjar Lawrence. Najjar@pb. com

Usability Benefits Quiz Lawrence Najjar Lawrence. [email protected] com

Outline • User interface, user experience, & usability • Usability benefits • Usability quiz

Outline • User interface, user experience, & usability • Usability benefits • Usability quiz • Prize! Pitney Bowes 2

Terms Pitney Bowes 3

Terms Pitney Bowes 3

What is a ”user interface? ” Pitney Bowes 4

What is a ”user interface? ” Pitney Bowes 4

What is a ”user interface? ” • The way the user interacts with a

What is a ”user interface? ” • The way the user interacts with a software or hardware product • Includes screens, buttons, hyperlinks, entry fields, graphics, keyboard, mouse Pitney Bowes 5

What does ”user experience” mean? Pitney Bowes 6

What does ”user experience” mean? Pitney Bowes 6

What does ”user experience” mean? • The elements that affect how users perceive a

What does ”user experience” mean? • The elements that affect how users perceive a product • Includes packaging, ease of use, graphics, response time, installation, product support Pitney Bowes 7

What does ”usability” mean? Pitney Bowes 8

What does ”usability” mean? Pitney Bowes 8

What does ”usability” mean? • Ease of use of the product • Includes familiarity,

What does ”usability” mean? • Ease of use of the product • Includes familiarity, simplicity, consistency, and intuitiveness Pitney Bowes 9

Usability Benefits Pitney Bowes 10

Usability Benefits Pitney Bowes 10

Usability Benefits Usability increases: Usability decreases: Pitney Bowes 11

Usability Benefits Usability increases: Usability decreases: Pitney Bowes 11

Usability Benefits Usability increases: • Company reputation 10, 11 • Competitive advantage 2, 7,

Usability Benefits Usability increases: • Company reputation 10, 11 • Competitive advantage 2, 7, 14 • Ease of use • Productivity 5, 7 • Revenue 2, 5, 7, 12, 14 • User satisfaction 2, 5, 16 • User trust 5 Usability decreases: • Development time 4, 5, 16 • Development costs 1, 2, 3, 4, 5, 6, 8, 9, 10, 13, 14 • Documentation costs • Learning time 2, 5 • Maintenance • Staff turnover 2, 7 • Support costs 2, 5, 12, 16 • Training 12, 16 • User errors 2, 10 Pitney Bowes 12

Usability Benefits Quiz Pitney Bowes 13

Usability Benefits Quiz Pitney Bowes 13

Usability Benefits Quiz Question 1. What percentage of a software application’s code is for

Usability Benefits Quiz Question 1. What percentage of a software application’s code is for the user interface? a) b) c) d) 5% 10% 25% 50% Pitney Bowes 14

Usability Benefits Quiz Question 1. What percentage of a software application’s code is for

Usability Benefits Quiz Question 1. What percentage of a software application’s code is for the user interface? a) 5% b) 10% c) 25% d) 50% • • Inveradi, R. (2005). Software engineering education in the modern age. Software Education and Training Sessions at the International Conference, on Software Engineering, ICSE 2005, St. Louis, MO, USA, May 15 -21, 2005, Revised Lectures Myers, B. A. and Rosson, M. B. (1992). Survey on user interface programming. In CHI ‘ 92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, 195 -202. Available: www 2. cs. cmu. edu/afs/cs. cmu. edu/project/garnet/doc/papers/uisurvey. CHI 92. ps Pitney Bowes 15

Usability Benefits Quiz Question 2. What percentage of development time is for the user

Usability Benefits Quiz Question 2. What percentage of development time is for the user interface? a) b) c) d) 5% 10% 25% 50% Pitney Bowes 16

Usability Benefits Quiz Question 2. What percentage of development time is for the user

Usability Benefits Quiz Question 2. What percentage of development time is for the user interface? a) 5% b) 10% c) 25% d) 50% Myers, B. A. (1995). User Interface Software Tools, ACM Transactions on Computer-Human Interaction, 2(1), pp. 64 -103. Pitney Bowes 17

Usability Benefits Quiz Question 3. What is the numeric rank of “user involvement” as

Usability Benefits Quiz Question 3. What is the numeric rank of “user involvement” as a predictor of successful projects? a) b) c) d) 1 st 3 rd 5 th 7 th Pitney Bowes 18

Usability Benefits Quiz Question 3. What is the numeric rank of “user involvement” as

Usability Benefits Quiz Question 3. What is the numeric rank of “user involvement” as a predictor of successful projects? a) 1 st b) 3 rd c) 5 th d) 7 th The Standish Group (1995). The CHAOS report [Online]. Retrieved from: http: //www. csus. edu/indiv/v/velianitis/161/chaosreport. pdf Pitney Bowes 19

Usability Benefits Quiz Question 4. What percentage of software defects is due to usability

Usability Benefits Quiz Question 4. What percentage of software defects is due to usability errors? a) b) c) d) 5% 15% 30% 60% Pitney Bowes 20

Usability Benefits Quiz Question 4. What percentage of software defects is due to usability

Usability Benefits Quiz Question 4. What percentage of software defects is due to usability errors? a) 5% b) 15% c) 30% d) 60% Inveradi, R. (2005). Software engineering education in the modern age. Software Education and Training Sessions at the International Conference, on Software Engineering, ICSE 2005, St. Louis, MO, USA, May 15 -21, 2005, Revised Lectures Pitney Bowes 21

Usability Benefits Quiz Question 5. After making usability improvements on La. Quinta. com, by

Usability Benefits Quiz Question 5. After making usability improvements on La. Quinta. com, by what percentage did annual revenue growth increase? a) b) c) d) 5% 35% 65% 85% Pitney Bowes 22

Usability Benefits Quiz Question 5. After making usability improvements on La. Quinta. com, by

Usability Benefits Quiz Question 5. After making usability improvements on La. Quinta. com, by what percentage did annual revenue growth increase? a) 5% b) 35% c) 65% d) 85% Peterson, M. (2007). UX Increases Revenue: Two Case Studies. User Experience Magazine, 6(2). Retrieved from http: //uxpamagazine. org/ux_increases_revenue/ Pitney Bowes 23

Usability Benefits Quiz Question 6. After making usability improvements on IBM. com, by what

Usability Benefits Quiz Question 6. After making usability improvements on IBM. com, by what percentage did e-commerce sales increase? a) b) c) d) 1% 4% 40% 400% Pitney Bowes 24

Usability Benefits Quiz Question 6. After making usability improvements on IBM. com, by what

Usability Benefits Quiz Question 6. After making usability improvements on IBM. com, by what percentage did e-commerce sales increase? a) 1% b) 4% c) 40% d) 400% Tedeschi, B. (1999, August 30). Good Web site design can lead to healthy sales. New York Times e-commerce report [On-line]. Retrieved from: http: //www. nytimes. com/library/tech/99/08/cyber/commerce/30 commerce. html Pitney Bowes 25

Usability Benefits Quiz Question 7. After making usability improvements on Dell. com, how much

Usability Benefits Quiz Question 7. After making usability improvements on Dell. com, how much did daily online purchases increase? a) b) c) d) $1, 000 $8, 000 $18, 000 $35, 000 Pitney Bowes 26

Usability Benefits Quiz Question 7. After making usability improvements on Dell. com, how much

Usability Benefits Quiz Question 7. After making usability improvements on Dell. com, how much did daily online purchases increase? a) $1, 000 b) $8, 000 c) $18, 000 d) $35, 000 Black, J. (2002, December 23). Usability: The ROI in good design. ZDNet. Retrieved from: http: //www. zdnet. com/article/usability-the-roi-in-good-design/ Pitney Bowes 27

Usability Benefits Quiz Question 8. After making improvements on a very, very popular ecommerce

Usability Benefits Quiz Question 8. After making improvements on a very, very popular ecommerce site, how much did annual revenue increase? a) b) c) d) $30, 000 $300, 000 $3, 000 $300, 000 Pitney Bowes 28

Usability Benefits Quiz Question 8. After making improvements on a very, very popular ecommerce

Usability Benefits Quiz Question 8. After making improvements on a very, very popular ecommerce site, how much did annual revenue increase? a) $30, 000 b) $300, 000 c) $3, 000 d) $300, 000 Spool, J. (2009). The $300 million button. Retrieved from: https: //articles. uie. com/three_hund_million_button/ Pitney Bowes 29

Summary Usability can increase customer satisfaction & revenue while decreasing development & support costs

Summary Usability can increase customer satisfaction & revenue while decreasing development & support costs Pitney Bowes 30

Prize! • Removable, vinyl sticker, 1. 5 inches wide x 1. 0 inches high

Prize! • Removable, vinyl sticker, 1. 5 inches wide x 1. 0 inches high • Email your name and physical mailing address to: Lawrence. [email protected] com Pitney Bowes 31

References • 1 Barker, D. T. (2000). Cost benefits of usability engineering. • 2

References • 1 Barker, D. T. (2000). Cost benefits of usability engineering. • 2 Bevan, N. (2005). Cost benefits evidence and case studies. Retrieved from: • • • • http: //www. usabilitynet. org/papers/Cost_benefits_evidence. pdf 3 Boehm, B. (1987). Industrial software metrics top 10 list. IEEE Software, 4(5), 84 -85. 4 Bosert, J. L. (1991). Quality Functional Deployment: A Practitioner’s Approach. New York: ASQC Quality Press. 5 Ehrlich, K. , & Rohn, J. (1994) Cost justification of usability engineering: A vendor’s perspective. In R. Bias & D. Mayhew (Eds. ), Cost-justifying usability (73 -110). San Diego: Academic Press. 6 Harrison, M. C. , Henneman, R. L. , & Blatt, L. A. (1994). Design of a human factors cost-justification tool. In R. Bias & D. Mayhew (Eds. ), Cost-justifying usability (203 -242). San Diego: Academic Press. 7 Karat, C-M. (1994). A business case approach to usability cost justification. In R. Bias & D. Mayhew (Eds. ), Costjustifying usability (45 -70). San Diego: Academic Press. 8 La. Plante, A. (1992, July 27). Put to the test. Computerworld, 27(75). 9 Lederer, A. L. , & Prasad, J. (1992). Nine management guidelines for better cost estimating. Communications of the ACM, 35(2) (February), 51 -59. 10 Marcus, A. (2005). User interface design’s return on investment: Examples and statistics. In R. Bias & D. Mayhew (Eds. ), Cost-justifying usability: An update for an Internet age (17 -39). San Diego: Academic Press. Version retrieved from: http: //studylib. net/doc/13207962/am-a 11 Mauro, C. (1994). Cost-justifying usability in a contractor company. In R. Bias & D. Mayhew (Eds. ), Cost-justifying usability (123 -142). San Diego: Academic Press. 12 Mayhew, D. & Mantei, M. (1994). A basic framework for cost-justifying usability engineering. In R. Bias & D. Mayhew (Eds. ), Cost-justifying usability (9 -43). San Diego: Academic Press. 13 Nielsen, J. (1993). Usability engineering. San Francisco: Morgan Kaufmann. 14 Rajanen, M. , & Jokela, T. (2004). Analysis of usability cost-benefit models. In T. Leino, T. Saarinen, & S. Klein (Eds. ), ECIS 2004 Proceedings, 115. Retrieved from http: //docplayer. net/46362298 -Analysis-of-usability-cost-benefit-models. html 15 Richeson, A. , Bertus, E. , Bias, R. G. , & Tate, J. (2011). Determining the value of usability in Web design. In K-P. L. Vu & R. Proctor (Eds. ), Handbook of Human Factors in Web Design (2 nd ed. ) 753 -764. 16 Weinschenk, S. (2005). Usability: A business case. Retrieved from: http: //info. humanfactors. com/acton/attachment/4167: f-003 b/1/%7 B%7 BEnv. Msg. Id%7 D%7 D/Bdc 4167: f 003 b/%7 B%7 BEnv. Src. Id%7 D%7 D/%7 B%7 BEnv. Rec. Id%7 D%7 D/ Pitney Bowes 32