Novice–expert+

This extension logs the steps a user takes to perform a task and estimates the time an expert would take to complete each step.

Manual

The functions of Novice–Expert+

By Karl F. MacDorman on June 1, 2022

Tutorial

Using Novice–Expert+ to uncover usability issues with a website

By Karl F. MacDorman on June 1, 2022

GOMS

Introducing user modeling with KLM, CMN, NGOMSL, and CPM GOMS

By Karl F. MacDorman on June 1, 2022

Fitts' law

Pointing time is a function of target distance over width.

By Karl F. MacDorman on June 1, 2022

NEM

The novice–expert ratio method pinpoints usability issues when novices take much longer than experts.

By Karl F. MacDorman on June 1, 2022