Understanding Users Flashcards
Shneiderman Golden Rules of Design
Strive for consistency cater to universal usability Offer informative feedback design dialogs to yield closure prevent errors permit easy reversale of actions support internal locus of control reduce short term memory load
How to learn about users
Ethnography or ethnomethodology - Obervation, participant observation surverys interviews cultural probes diary studies prompted studies task analysis normans affordances and mappings models
Different types of interviews - name and explain
Structured - fixed possible answers
Semi-structured - list of questions, some open ended, can vary from script, can go out of order
unstructured/conversational - list of topics to cover, transcription is needed
Name and explain the three componenets of inquiry design
purpose - what are you trying to learn - variables: Independent, enternal, dependent Population - demographics - selection: snowball, convenience, random sampling mechanics - when where how -interview vs web/email
Components/rules for good survey questions (10 commandments)
- no loaded or misleading words
- honour question ordering
- avoid non specific questions
- no unclear or confusing wording
- dont force to answer
- dont adulterate yourvery with non-exhastive listings
- use unbalanced listings skillfully
- avoid double barreled questions
- use dichotomous questions
- use long questions wisely
What makes a good survey question
simple specific individual exhaustive optional neutral balanced
How analyse the interview
identify interesting or common phenomena - themes
tie themes together (pre-identified framework: theory driven) or grounded theory approach (emergent theory)
make arguments as to why fits data
make argument as to what the analysis explains
What are personas
precise description of a hypotheical user in terms of
- capabilities, inclinations, background
- goals (not tasks)
Why persona
easier to generalize about fictional people
general users have many conflicitng goals
specific personas hae clear and well articulated goals
How to define and use personas
define
- identify major clusters from interviews
- synthesize goals
- check for completeness and specificity
- develop a narrative and try them out
design each interface for a single primary persona