User tests - Data logging

Datalogging

A technique for taking notes during a field-research session with users, in particular for user testing.


Also: The 5 habits of highly effective field researches

Marker definitions

Code	Definition description
X	Usability problem
D	Duplicate usability problem (described earlier)
V	Video highlight — an "Ah-ha!" moment
C	Comment (general comment by participant)
P	Positive opinion expressed by participant
N	Negative opinion expressed by participant
B	Bug
F	Facial reaction (e.g. surprise)
H	Help or documentation accessed
A	Assist from moderator
G	Gives up or wrongly thinks finished
I	Design idea (design insight by logger)
M	Misc (general observation by logger)

Usabilidad y Key Performance Indicators

Las diapositivas en Ceci N'est Pas Une KPI hablan de cómo aplicar métricas (KPI) al diseño de interacción. Esto permite aplicar el método científico a la creación de interfaces de ordenador y dispositivos electrónicos fáciles de usar.

Enlaza a dos repositorios de KPIs típicas en distintas industrias:

http://www.smartkpis.com/kpi/functional-areas/knowledge-and-innovation/
http://kpilibrary.com/categories/itman
http://uxhealthcheck.com

A very good interaction for a rating scale

A 100-points Likert scale with very good usability, including
- a slider
- smilies for "significant" points in the scale
- ticks and balloons representing the value of recently rated items

http://blog.steepster.com/post/226679106/better-rating-system


(ESP) - En Steepster, una página dedicada a los tipos de té, han ideado un sistema de medición con muy buena usabilidad.