CIPS Exam L4M2 Topic 3 Question 25 Discussion

The buying organisation is keen to encourage innovation so they should use the outcome or output based specification. In an outcome-based specification, umbrella statements like 'good quality', 'ambient temperature', 'convenient way' are often used. This may confuse the suppliers, and it's hard to check the solution that supplier offers. On the other hand, ouput-based specifications often include measurable requirements. For example, a specification for air conditioning system states that the system should maintain the room temperature at 19-24 degrees Celsius. Therefore, output specification is more appropriate in this case.

LO 3, AC 3.1