Dimension

Criteria

Removed/ replaced Metrics

Suggestions

Effectiveness

Flexibility

Satisfaction with booking hotel.

Satisfaction with screen size.

I think it should be “Satisfaction with the booking process (Expert A).

Size of screen depends on mobile size and not on the application (Expert B).

Navigation

Clear and consistent navigation

It should be replaced with “Directive and consistent navigation (Expert A).

Efficiency

Time

Easy map downloading

It should be removed from the list because map not downloading is a link to another application (Expert B).

Learnability

Familiarity

Satisfaction with menu buttons

This metric is Redundant with Menu

buttons are flexible (Expert B)

Error

Fault tolerance

Time to repair an attempt

Time to failure an attempt

Redundant with

Number to attempt to

rectify errors (Expert B)

time to failure is an unclear item, so, should be removed (Expert B, A).