people don’t know what they want - mit · people don’t know what they want. ... observing...
TRANSCRIPT
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2.009 Product engineering processes
they want what they know
people don’t know whatthey want
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what the customer really needed
how the customer explained it
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A product opportunity
user need + idea + market + doable
3-ideas presentation
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Identifying opportunities user need + idea + market + doable
Processes:individual creativity strategies
Vianna Quenon200
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Identifying opportunities user need + idea + market + doable
Processes:individual creativity strategies
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why raise the bar?“the best way to get a good idea is to get a lot of ideas”
Linus Pauling, 1901-1994Chemist, Nobel prize winnerNobel peace prize
Nature of chemical bonds
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Identifying opportunities user need + idea + market + doable
Processes:individual creativity strategiesbrainstorming
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Identifying opportunities user need + idea + market + doable
Processes:individual creativity strategiesbrainstormingone-on-one/few discussions
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Identifying opportunities user need + idea + market + doable
Processes:individual creativity strategiesbrainstormingone-on-one/few discussions (idea fair)
secondary research (treasure hunt)
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Treasure huntfeedback
first in: Pink B at 5:54 pm Wednesday last in: Red A at 11:54 am Thursday
overall, well done!
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Treasure huntfeedback
first in: Pink B at 5:54 pm Wednesday last in: Red A at 11:54 am Thursday
overall, well done!
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Treasure huntfeedback
top sections: incorporated the question into their responseprovided all of the requested information, plus additional contextprovided correct, consistent citationsprovided a nicely formatted, easy to read documentused resources efficiently (and asked for help!)
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B
SilverA
PinkB
RedB
GreenA
SilverB
RedA
YellowA
PurpleB
GreenB
OrangeA
Blue
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PurpleA
YellowB
PinkA
OrangeB
Treasure huntresults
top scavengers: blue b
orange b
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Treasure huntsome team lessons
how did your section manage delegation?
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Identifying opportunities user need + idea + market + doable
Processes:individual creativity strategiesbrainstormingask, one-on-one/few discussions (idea fair)secondary research (treasure hunt)in-context observation of users
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Identifying opportunities observing people, observing things
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Identifying opportunities observing people, observing things
you are a detective looking for clues
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why observe users?you will learn something!increase your odds for a successful product
right now…identify leads for opportunitiesdefine product goals
observing people: 5 PM today in 3-333
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Observation exercise the opportunity-finding process has just begun!
each person in your section will sign up to observe at one of several place options based on your observations, report at least one new, product opportunity to the team in lab next week
at the end of class, organize as section and complete ‘observation places’ signup form
who is going where page in case you want to work in across-team groups of up to 3 (recommended)
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Identifying opportunities user need + idea + market + doable
Processes:individual creativity strategiesbrainstormingask, one-on-one/few discussions (project fair)secondary research (treasure hunt)in-context observation (observation exercise) engineering (feasibility) estimation
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Estimation exercise some practice
estimate the usable energy in a C size battery
2 minutesblank index cardname and section on top of pageno computers or mobile deviceshand in to center isle
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Usable energy in a C cell solution example
Develop a modelsimple, familiar, analogous
E = P x t
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Usable energy in a D cell solution example
Apply some numbers, check units
E = P x t
Flashlight bulb: 5WBattery life: 3 hr
(10800 s)C cells: 2
2E = 5 J/s x 10800 sE = ~3 x104 J
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Identifying opportunities user need + idea + market + doable
engineering estimation
Something that requires practice (and creativity)
order of magnitude calculations, back of the envelope
why?explore the feasibility ideas and potential degree of difficulty quickly, even though many details are unresolved
analysis analog of an idea sketch
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Feasibility estimationgeneral approach
1) you have an idea!
3) develop/ideate analogous models
4) apply quantities, checking units
2) what worries you? (critical feasibility questions)
5) decide if answer seems believable
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Good news everybody!I have an idea
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An idea!battery powered, hand-held foam cutter
is it feasible?
key “is it possible” question
name on index card 1 minuteno computers or mobile
Step 2
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An idea!battery powered, hand-held foam cutter
is it feasible?
Steps 3 + 4develop an analogous modelsome numbersdecide if it is feasible1 minuteno computers or mobile
how big for reasonable use time? how much battery? power?
key question?
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An idea!Battery powered, hand-held foam cutter
light bulb 100 Wsphere dia. ~4 cmarea ~ 50 cm2
need ~2 W/cm2
wire dia. 0.1 cmwire length 15 cmwire area ~5 cm2
power: 2 W/cm2 x 5 cm2
~10 W
how big? power?
reasonable?key question?
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An idea!Battery powered, hand-held foam cutter
power ~10 W reasonable: yes
what next?feasibility test (sketch model)
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A sketch model!battery powered, hand-held foam cutter
what next?sketch model
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and last…some logistics
observing people: 5 PM today in 3-333
over the weekend: read chapters 3 and 4 in textread details for the 3-ideas presentation
if you have not received email from me yet… add drwallac, drwallace as safe sender
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now!organize for observation exercise
one section member completes web signup formwho-is-going-where summary online
scored treasure hunt submissions will be emailed to your section