This book is good for the Requirements Engineering, Business Analysis and Modeling Business Processes courses offered.by BCS.
However there are times that the book is not clear on what it is trying to explain.... A good example is found on page 218. The wording in the 'Backwards From' paragraph shown below and the 'Forwards to' paragraph also shown below, could be applied to the vertical traceability more easily than what they have applied it to horizontal traceability. However, if you take the mindset that they are talking about the many versions of an individual requirement, then the following paragraphs on traceability CAN make sense. But it does not implicitly imply this within the text given as can be seen below.
As a result there are definitely areas where greater clarity and more precise wording could have been chosen. As this book is BCS's leading recommended book for most of their Business Analysis related courses, I would expect better. It is such a simple thing to add greater clarification.
Where I have *** put in these words """at the business objectives""" and """of the software solution"""
NOW INSTEAD
Where I have *** put in these words """of a requirement""" at both points.
It changes the following paragraphs from looking at the entire product of solution development to being focussed on a single requirement.
Quoted text
Horizontal traceability concerns tracing the requirement from inception *** to delivery ***. We can think about ‘backwards from’ and ‘forwards to’ horizontal traceability:
‘Backwards from’ traceability involves the ability to trace the source of a requirement from any later point in the business change or software development lifecycle. It answers the question ‘what was the source requirement for this feature of the solution and who raised it?’ We need to be able to identify where a requirement originated so that we can seek clarification from the source where necessary. This is particularly important when requirements are in conflict or there are conflicting views as to the priority of a requirement.
‘Forwards to’ traceability involves the ability to identify any requirement and track where it has been further developed and ultimately implemented. It answers the question ‘what happened to this requirement?’ and should show that each requirement has been resolved satisfactorily.
End of Quoted Text
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