low-fidelity prototyping

what is a prototype?

prototype

manifestation of design

allows interaction by stakeholders

limited characteristics

many forms: from paper to software

why prototype?

discuss and evaluate ideas

communication device

choosing alternatives

encourage reflection

answer questions

low-fidelity prototyping

low-fidelity prototype

different medium than final product

paper, cardboard, wire frames

limited set of functions

simple, cheap, and quick to produce

modification

storyboarding

series of sketches

show user interaction

used with scenarios

sketches

not about drawing, about design

devise symbols and icons

simple boxes, stick figures, and stars

interfaces: draw icons and dialog boxes

index cards

small pieces of cardboard or thick paper

each card represents one element of the interaction

screen, icon, menu, dialog exchange

evaluation: step through the cards

wizard of oz

software-based prototype

human operator simulates software response

prototyping activity

low-fidelity prototyping activity

low-fidelity prototype a design for
an alarm clock (app or physical device)

come up with a new design: substitute, combine, adapt,
modify (magnify or minify), or eliminate

form pairs

have your partner interact with one or both of your prototypes

ask them questions about their experience

reflection

questions?

reading for next class

Chapter 14: "Introducing Evaluation"
Interaction Design: Beyond Human-Computer Interaction