Functional Size Measurement Quality Challenges for Inexperienced Measurers

Authors:
Sylvie Trudel;Alain Abran
Affiliations:
Pyxis Technologies, Laval, Canada;École de Technologie Supérieure --- Université du Québec/Dept. of Software, Engineering and Information Technologies, Montreal, Canada
Venue:
IWSM '09 /Mensura '09 Proceedings of the International Conferences on Software Process and Product Measurement
Year:
2009

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Improving Quality of Functional Requirements by Measuring Their Functional Size

IWSM/Metrikon/Mensura '08 Proceedings of the International Conferences on Software Process and Product Measurement

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Abstract

This paper discusses the challenges of inexperienced measurers in measuring the functional size measurement method of software requirements. More specifically, this paper describes an experiment with the same requirements document measured independently by several inexperienced measurers using the COSMIC method --- ISO 19761. Detailed measurement data is analyzed to identify challenges faced by measurers through observed differences, including an analysis of the defects found in the requirements documents and a discussion of the impact of these defects on the measurement results.