Lectures for the course "Ergonomics applied to the usability of web pages and apps" held at the School of design of Politecnico di milano in the first semester of 2021-2022 academic year

1. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 1
INTERACTIVE SYSTEMS USABILITY DESIGN
Roberto DADDA e Paolo NEGRI

2. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 2
Emotional design
Design for emotions

3. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 3
Emotional design
Manipulation of the
emotional state of a known
user to invoke a positive
response

4. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 4
Presentation influences perception

5. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 5
Usable and usefull…
1998 mpman F10 Korean
1955 - 1960

6. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 6
…and agreeable!
October 2001
1964
Marco
Zanuso
and
Richard
Sapper
TV
Algol
11
Brion
Vega

7. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 7
MP3 Players evolution
May 1998 September 1998
first commercially
successful one
October 2001

8. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 8
Minimalist design: focus on needs
Naoto
Fukasawa
Braun
2012

9. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 9
Alessi ASP09 Te O Tea Strainer by Stefano Pirovano

10. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 10
Emotional

11. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 11

12. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 12
Aesthetics and usability
http://ceur-ws.org/Vol-976/tpaper2.pdf
https://dl.acm.org/doi/abs/10.1145/223355.223680?download=true

13. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 13
Maslow's Hierarchy of Needs
Abraham Harold Maslow (April 1, 1908 – June 8, 1970)

14. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 14

15. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 15
Is related with the way our brain works
In brain we have three diffent brains!

16. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 16
Norman: 3 levels of design

17. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 17

18. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 18
Taken
from
a
Fitma
Hndy
presentation
on
Slideshare

19. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 19

20. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 20

21. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 21

22. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 22
human disposition drivers profession example
reflective intellectually
driven
brand/image Perrier table
water
behavioral expectation
driven
usability water in
plastic bottle
visceral perceptually
driven
graphic
design
a beautiful
blue bottle
that is used as
a vase

23. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 23

24. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 24
Emotional and
cognitive are
connected, always

25. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 25
Without emotions you always make the
wrong decision!

26. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 26
Lateral thinking

27. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 27

28. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 28
Beautiful, but…

29. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 29
Self esteem

30. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 30
HeatKit 1926

31. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 31
Betty Crocker Company. 1921

32. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 32
The secret of success, self esteem…

33. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 33

34. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 34
Visceral

35. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 35
TyNant
•Costs more than gasoline...
•Design becomes the product
•Wow effect
•Candies for eyes

36. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 36
I want it!!!

37. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 37

38. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 38
Time by design, Gerrald Genta

39. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 39

40. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 40
Colored Apples, sales booster! (1999)

41. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 41
Very stable
•Changes, but needs time
•Opposite of reflexive
reaction that may
change very rapidly

42. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 42
La maja desnuda Francisco Goya 1746 - 1828

43. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 43
Rodolfo Valentino 1895 - 1926
Douglas Fairbanks 1883 - 1939

44. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 44
TINKO
LOSSE
Deep…

45. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 45
18K gold automatic
perpetual calendar
wristwatch with
moon phases and
leap year
indication
Gerald Genta
1931 - 2011

46. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 46
Behavioural

47. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 47
4 elements:
Function
Easy to undestand
Easy to use
Good fisical sensation

48. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 48
Affordance

49. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 49

50. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 50
Jinhong Lin
Mug for my lips

51. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 51
Sony Walkman TPS-L2 The
original Walkman portable
cassette player - 1979
Akio Morita 1921 - 1999
Cofounder of Sony corp

52. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 52
1932
The world first
commercial
available
diver’s watch:
OMEGA Marine

53. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 53
Reflective

54. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 54
Reflective
•Sensible to culture...
•May dominate the
others
Le Penseur Auguste Rodin 1840 - 1917

55. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 55

56. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 56

57. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 57

58. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 58

59. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 59

60. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 60
My 2 cents of design wisdom

61. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 61
Design:
A dynamic equilibrium, strongly
depending on actors and situation
where the final result may be VERY
different from the sum of different
elements.

62. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 62

63. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 63

64. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 64

65. www.dadda.it roberto@dadda.it Excellence in usability 1st semester 2021-2022 65
INTERACTIVE SYSTEMS USABILITY DESIGN
Roberto DADDA
roberto@dadda.it
www.dadda.it
Skype, Facebook e Twitter robertodadda