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Some new models of software testing with performance comparisons

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2 Author(s)
T. Downs ; Queensland Univ., Brisbane, Qld., Australia ; P. Garrone

Two models of software testing, developed previously by T. Downs (see IEEE Trans. Software Eng., vol.SE-11, no.4, p.375-86, 1985, and IEEE Trans. Software Eng., vol.SE-12, no.9, p.979-87, 1986), are generalized to incorporate a greater degree of realism. This generalization leads to three new models. A fourth model, which has been developed using a different line of reasoning, is also presented. The performance of these models as reliability predictors is assessed by applying them to 16 sets of failure data collected from various software development projects. Comparisons of performance are made with the two earlier models and with two variants of the model of B. Littlewood and L. Verall (1973). Three distinct measurers of performance are employed. The performance of the new models is generally superior to that of the older models with one model showing outstanding performance under all three measures

Published in:

IEEE Transactions on Reliability  (Volume:40 ,  Issue: 3 )