HCI-Usable things Psychology

When simple things need pictures, labels, or instructions, the design has .....

• succeeded

• failed

• completed

the range of possible (physical) actions by a user on an artefact are

• Affordances

• Efforts

• Real affordances

..... are the actions a user thinks to be possible

• Real Affordances

• Hidden Affordances

• Perceived Affordances

Perceived affordances may be correct or incorrect

• True

• False

What are signifiers?

• signs indicating what you can do

• to make sure the affordances are clear

• pictures, labels, instructions

• functions the product provides

• Good affordances

• Bad affordances

"when you see a button, you want to push it."

• Strong affordances

• Weak affordances

• Singifiers

• None of above

When perceived affordances are taken advantage of, the user knows what to do just by .......

Badly designed doors are sometimes called

• Bad doors

• Bad dogs

• Norman doors

Screen affords touching.

Mouse affords pointing.

What type of affordances are they?

• built-in physical affordances

• GUI affordances

• bad affordances