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Name Tolerable Limit
Concept Number 603
Definition The Tolerable parameter identifies the beginning of the Tolerable Range and the end of the Intolerable Range along the quantification Scale. The Tolerable Range ends at the Goal level.
Examples User-Friendliness.Learn.Contacts
Scale: average time in minutes, to learn how to program contact names and telephone numbers into the
memory of the phone.
Past 35 min.
Status Today, cycle 16 20 min.
Tolerable within 14 months 18 min.
Goal within 1 year 5 min.

Tolerable together with the Scale reads:
It will absolutely not be tolerated (In-Tolerable), if within 14 months, the average time in minutes, to learn how to program
contact names and telephone numbers into the memory of the phone, is more than 18 min.
Notes Tolerable is a parameter used together with the quantification Scale of a Stakeholder Value or a Product
Quality.

The Intolerable Range is a range along the quantification Scale, where the Stakeholders will NOT tolerate the
system. No one will buy the product if one of the Product Qualities falls within the Intolerable range.
The Tolerable Range is a Range along the quantification Scale, where the Stakeholders will tolerate the
system, but they are not happy with this particular Product Quality. The system is not Successful when
within this Range. If a Goal level is contracted for but not reached, partial payment can be agreed upon
within the Tolerable Range.
The Success Range along the quantification Scale is a Range where the Stakeholders are happy with this
particular Product Quality. If a Goal level is contracted for, and reached, full payment would be
expected.
Illustration
Related Concepts Stakeholder Value, Product Quality, Scale, Meter, Past, Status, Goal
Synonyms Catastrophe Range Concept *603 (Tom Gilb uses)
Language Name Variants Tolerable, In-Tolerable
Submitted Kai Thomas Gilb
Editor