• Share
  • Email
  • Embed
  • Like
  • Save
  • Private Content
User
 

User

on

  • 157 views

User characteristics

User characteristics

Statistics

Views

Total Views
157
Views on SlideShare
157
Embed Views
0

Actions

Likes
1
Downloads
3
Comments
0

0 Embeds 0

No embeds

Accessibility

Categories

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

CC Attribution License

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

    User User Presentation Transcript

    • Mater of Arts in Communication Design WEB DESIGN User
    • User WEB DESIGN NABA 2014 Roberto DADDA 2
    • User WEB DESIGN NABA 2014 Roberto DADDA 3
    • Brain model User WEB DESIGN NABA 2014 Roberto DADDA 4
    • 3 types of memory • Sensorial • Short Term Memory • Long Term Memory User WEB DESIGN NABA 2014 Roberto DADDA 5
    • Sensorial • Temporary buffer associated to senses • No elaboration, raw data • Does not require attention • Short persistance: • Vision less than 1 second • Hearing 2 to 4 seconds Relevant for interaction!!! User WEB DESIGN NABA 2014 Roberto DADDA 6
    • Short term memory STM (aka working memory) • Limited capacity 7 to 9 units and short duration, 20 to 30 seconds • Repetion helps, requires attention. • Used as a temporary buffer by cognitive processing • With new input you lose older ones User WEB DESIGN NABA 2014 Roberto DADDA 7
    • Peterson and Peterson (1954) User WEB DESIGN NABA 2014 Roberto DADDA 8
    • 7 letters jglmnrt User WEB DESIGN NABA 2014 Roberto DADDA 9
    • And now count… • … from 15 to 1 back 3 by 3 • Rember the letters? User WEB DESIGN NABA 2014 Roberto DADDA 10
    • 15 letters jglmnrtebcaioeq User WEB DESIGN NABA 2014 Roberto DADDA 11
    • Difficult even not counting! User WEB DESIGN NABA 2014 Roberto DADDA 12
    • 15 letters and a meaning williammcmillan User WEB DESIGN NABA 2014 Roberto DADDA 13
    • Easy? User WEB DESIGN NABA 2014 Roberto DADDA 14
    • 7 words with a meaning mamma leone elegante mangiò transistor fiume gatto User WEB DESIGN NABA 2014 Roberto DADDA 15
    • 15 letters and a meaning La volpe elegante mangiò il bisbetico elefante User WEB DESIGN NABA 2014 Roberto DADDA 16
    • STM • Strong will to close tasks and free memory for the next one. • Anxiety reduces capacity of STM User WEB DESIGN NABA 2014 Roberto DADDA 17
    • STM and interaction design • Avoid STM overcharge • Minimize user usage of STM specially when he has to take critical decisions • AVOID STRESS! User WEB DESIGN NABA 2014 Roberto DADDA 18
    • Fail! Microsoft Word 97 User WEB DESIGN NABA 2014 Roberto DADDA 19
    • If something can be done by computer make it do! User WEB DESIGN NABA 2014 Roberto DADDA 20
    • Long term memory LTM User WEB DESIGN NABA 2014 Roberto DADDA 21
    • LTM • Almost no limits • Based on meaning and associations • Access made easy by: • Access frequency • Short time from last access • Numbers and types of links • Little interference by other memory activities User WEB DESIGN NABA 2014 Roberto DADDA 22
    • Ei fu siccome immobile… User WEB DESIGN NABA 2014 Roberto DADDA 23
    • Ei fu. Siccome immobile, dato il mortal sospiro, stette la spoglia immemore orba di tanto spiro, così percossa, attonita la terra al nunzio sta, muta pensando all'ultima ora dell'uom fatale; né sa quando una simile orma di piè mortale la sua cruenta polvere a calpestar verrà. User WEB DESIGN NABA 2014 Roberto DADDA 24
    • User WEB DESIGN NABA 2014 Roberto DADDA 25
    • User WEB DESIGN NABA 2014 Roberto DADDA 26
    • User WEB DESIGN NABA 2014 Roberto DADDA 27
    • THE ATKINSON-SHIFFRIN MODEL User WEB DESIGN NABA 2014 Roberto DADDA 28
    • Some practical influences on design User WEB DESIGN NABA 2014 Roberto DADDA 29
    • Standardized element position User WEB DESIGN NABA 2014 Roberto DADDA 30
    • User WEB DESIGN NABA 2014 Roberto DADDA 31
    • Visual feedback User WEB DESIGN NABA 2014 Roberto DADDA 32
    • User WEB DESIGN NABA 2014 Roberto DADDA 33
    • User WEB DESIGN NABA 2014 Roberto DADDA 34
    • Fitts’s law, simple version • Time T to move your hand on a target of dimension S at distance D is proportional to the D/S ratio D S User WEB DESIGN NABA 2014 Roberto DADDA 35
    • Far targets must be big Small target must be near User WEB DESIGN NABA 2014 Roberto DADDA 36
    • Different, but not much, in different instruments User WEB DESIGN NABA 2014 Roberto DADDA 37
    • Far from where? User WEB DESIGN NABA 2014 Roberto DADDA 38
    • Tactile Feedback User WEB DESIGN NABA 2014 Roberto DADDA 39
    • Errors rate No feedback Qualitative feedback Quantitave feedback Number of tries User WEB DESIGN NABA 2014 Roberto DADDA 40
    • User WEB DESIGN NABA 2014 Roberto DADDA 41
    • Rule of thumb User WEB DESIGN NABA 2014 Roberto DADDA 42
    • Drop-down User WEB DESIGN NABA 2014 Roberto DADDA 43
    • Pop-up Pull-down User WEB DESIGN NABA 2014 Roberto DADDA 44
    • Pie User WEB DESIGN NABA 2014 Roberto DADDA 45
    • Roberto Dadda www.dadda.it roberto@dadda.it +39 338 775 22 03 Twitter, facebook, linkedin: robertodadda User WEB DESIGN NABA 2014 Roberto DADDA 46