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Table 1 “Locating the patient” task using GOMS along with KLM technique

From: Usability assessment of an electronic health record in a comprehensive dental clinic

Step number

GOMS

KLM

Step description

Cognitive distribution Mental/Physical operator

Operators*

Average Time (s) to task completion by each participant

Step 1

Retrieve the name of the patient

Mental

M

1.2

Step 2

Extend the mouse to the patient name

Physical

P

1.1

Step 3

Click on the located patient name

Physical

BB

0.2

Step 4

Extend the mouse to “Oral examination” button

Physical

P

1.1

Step 5

Click on “Oral examination” button

Physical

BB

0.2

  1. *Operators: Point the mouse to target on display (P), Double click (BB), Type a sequence of characters on keyboard (T), Mental operator (M).