Ns petite histoire de ergonomie web

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Olivier Rovellotti

Software

$Petite histoire de l’ergonomie pour les geeks réfractaires$

• The probability of selling to an existing customer is 60 –
70%. The probability of selling to a new prospect is 5-
20% – Marketing Metrics.
• A dissatisfied customer will tell between 9-15 people
about their experience.
• It takes 12 positive experiences to make up for one
unresolved negative experience – “Understanding
Customers” by Ruby Newell-Legner.

Préhistoire Histoire Temps Moderne
1911
Frederick
Taylor
1954
Paul Fitts
1956
George Miller
1980
Ericson and
Simon
1980 1991
1984
1988
Don Norman
Nielsen
Vizi Norman

• La loi de proximité , le cerveau
regroupant plus proches les
unes des autres
• La loi de similitude, le cerveau
regroupant les formes
identiques
• La loi de symétrie, le cerveau
regroupant les formes
symétriques dans un même
ensemble
• La loi de continuité, le cerveau
considérant des formes
rapprochées comme faisant
partie d’un même ensemble
Loi de Gestalt
1884

1911
Frederick
Taylor
smaller jobs can be understood and done
easier than the original task

Fitts law
1954
Paul Fitts
OK
Kill everyone

1956
George MillerThe Magical Number Seven, Plus or Minus Two

1980
Ericson and Simon
Think Aloud Method
Wizard of OZ

Jakob Nielsen Rolf Molich publish the
seminal paper "Heuristic Evaluation of
User Interfaces
"the king of usability" (Internet Magazine)

Robert Virzi's paper "Refining the test phase of
usability

• Learnability
• Efficiency
• Memorability
• Errors (as in low
error rate)
• Satisfaction

Thanks ..
www.natural-solutions.eu @orovellotti

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Ns petite histoire de ergonomie web

1. Petite histoire de l’ergonomie pour les geeks réfractaires

2. Pourquoi ?

3. You !

4. • The probability of selling to an existing customer is 60 – 70%. The probability of selling to a new prospect is 5- 20% – Marketing Metrics. • A dissatisfied customer will tell between 9-15 people about their experience. • It takes 12 positive experiences to make up for one unresolved negative experience – “Understanding Customers” by Ruby Newell-Legner.

5. Préhistoire Histoire Temps Moderne 1911 Frederick Taylor 1954 Paul Fitts 1956 George Miller 1980 Ericson and Simon 1980 1991 1984 1988 Don Norman Nielsen Vizi Norman

7. Préhistoire

8. • La loi de proximité , le cerveau regroupant plus proches les unes des autres • La loi de similitude, le cerveau regroupant les formes identiques • La loi de symétrie, le cerveau regroupant les formes symétriques dans un même ensemble • La loi de continuité, le cerveau considérant des formes rapprochées comme faisant partie d’un même ensemble Loi de Gestalt 1884

9. 1911 Frederick Taylor smaller jobs can be understood and done easier than the original task

10.

11. Fitts law 1954 Paul Fitts OK Kill everyone

12. 1956 George MillerThe Magical Number Seven, Plus or Minus Two

13. Hick's law

14. 1980 Ericson and Simon Think Aloud Method Wizard of OZ

15. Histoire

16. Don Noman

17.

18.

19. Temps Moderne

20. Jakob Nielsen Rolf Molich publish the seminal paper "Heuristic Evaluation of User Interfaces "the king of usability" (Internet Magazine)