Card, Moran, and Newell keystroke-level model

E874569
GOMS family model human–computer interaction model predictive model

The Card, Moran, and Newell keystroke-level model is a predictive human–computer interaction framework that estimates expert user task completion times by decomposing actions into low-level operations like keystrokes, mouse movements, and mental preparation.

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Observed surface forms (2)

Surface form Occurrences
Keystroke-Level Model 1
Keystroke-Level Model of user performance 1

Statements (51)

Predicate Object
instanceOf GOMS family model ⓘ
human–computer interaction model ⓘ
predictive model ⓘ
abbreviation KLM NERFINISHED ⓘ
alsoKnownAs Keystroke-Level Model NERFINISHED ⓘ
appliesTo command-based interfaces ⓘ
form-filling tasks ⓘ
graphical user interfaces ⓘ
assumes error-free performance ⓘ
expert user ⓘ
routine tasks ⓘ
basedOn decomposition of tasks into low-level operators ⓘ
coreOperator H (homing between keyboard and pointing device) ⓘ
K (keystroke or button press) ⓘ
M (mental preparation) ⓘ
P (pointing with a pointing device) ⓘ
R (system response) ⓘ
creator Allen Newell NERFINISHED ⓘ
Stuart K. Card NERFINISHED ⓘ
Thomas P. Moran NERFINISHED ⓘ
field cognitive ergonomics ⓘ
human factors ⓘ
human–computer interaction ⓘ
granularity low-level motor and cognitive operations ⓘ
influenced later GOMS variants ⓘ
model-based evaluation methods in HCI ⓘ
influencedBy cognitive psychology ⓘ
human information processing models ⓘ
introducedInWorkBy Card, Moran, and Newell NERFINISHED ⓘ
limitation best suited for expert, routine behavior ⓘ
does not model errors ⓘ
does not model learning ⓘ
operatorType drawing ⓘ
homing ⓘ
keystroke ⓘ
mental preparation ⓘ
pointing ⓘ
system response time ⓘ
originatesFrom The Psychology of Human-Computer Interaction NERFINISHED ⓘ
partOf GOMS (Goals, Operators, Methods, and Selection rules) framework NERFINISHED ⓘ
publicationYear 1983 ⓘ
purpose compare alternative interface designs ⓘ
evaluate user interface efficiency ⓘ
predict expert user task completion time ⓘ
requires detailed task specification at the operator level ⓘ
timeEstimationMethod sum of operator times ⓘ
timeUnit seconds ⓘ
typicalUse predicting time to execute a specific interaction method ⓘ
usedFor performance prediction ⓘ
task analysis ⓘ
usability engineering ⓘ

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Stuart K. Card → notableWork → Card, Moran, and Newell keystroke-level model ⓘ
Stuart Card → knownFor → Card, Moran, and Newell keystroke-level model ⓘ
this entity surface form: Keystroke-Level Model
Stuart Card → notableWork → Card, Moran, and Newell keystroke-level model ⓘ
this entity surface form: Keystroke-Level Model of user performance