1
Weighted
Scoring Model
2
Weighted Scoring Model
(2-level: Factors and Criteria )
A 1-level model is explained in Schwalbe, K.
(2005), Information Technology Project
Management.
If used for usability analysis this is also called a
Weighted Usability Factors (WUF) model.
3
Example:
Evaluating the best Video Cassette
Recorder
The 2-level Weighted
Scoring Model method
4
1. Select the main factors and criteria
• 1. Simplicity of Controls
– Play
– Fast Forward
– Rewind
– Counter
– Timer
• 2. Flexibility of Recording Options
– “Instant” Recording
– Daily Recording
– Weekly Recording
– User Defined Recording
– Preset Recordings
• 3. Styling
– Colour
– Size
FACTORS
CRITERIA
5
2. Rate the importance of each factor
on a scale of 10
1. Simplicity of Controls
–Pl ay
–F ast Forward
–R ewind
–C ounter
–T imer
2. Flexibility of Recording Options
–“ Instant” Recording
–D aily Recording
–W eekly Recording
–U ser Defined Recording
–Pres et Recordings
3. Styling
–Colour
–Size
(7 out of 10)
(9 out of 10)
(5 out of 10)
6
3. Rate the importance of each criterion
on a scale of 10
1. Simplicity of Controls
–Pl ay
–F ast Forward
–R ewind
–C ounter
–T imer
2. Flexibility of Recording Options
–“ Instant” Recording
–D aily Recording
–W eekly Recording
–U ser Defined Recording
–Pres et Recordings
3. Styling
–Colour
–Size
(7)
(9)
(5)
5 out of 10
6
9
8
9 out of 10
5
9
6
6
5 out of 10
5
6
