Lecture 8: More Principles Flashcards
What is Fitts’s Law?
describes speed-accuracy tradeoff of human muscle movement
used for tapping interfaces
What is Hick’s Law?
describes the relationship between the number of stimuli present and an individual’s reaction time to a given stimulus
# of choices influences reaction time
What is Miller’s Law?
Humans keep 7 +-2 chunks of information in working memory
What is the Serial Position Effect?
we recall the first and last thing more than the middle things
What is the Von Restorff Effect?
when similar objects are presented, the one that’s different from the rest will most likely be remembered
What is conceptual simplicity?
intuitiveness
What is discoverability?
user’s ability to find key information that’s needed to complete a task