Resolve defect slippage

If your defect slippage is more than your defined limit i.e how would you lower the slippage rate

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mathan_vel

  • Apr 8th, 2009
 

To Resolve Defect Slippage following method should be follow

Fc=the ratio of faults in system test to the faults found after system test on this project

Fs=the ratio of faults found in asystem test to the faults found after system test in the set of projects used as a basis for comparison

QF=Fc/Fs= the relationship of system test on this project to fault as compared to the average the appropriate basis set

if QF>1 then
    method better than history
    check process conformance
    if processconformance poor    
        improve process or process conformance
    check domain understanding
    if domain understanding poor
        improve object or domain training
if QF=1 then
    method equivalent to history
    if cost lower than normal then method cost effective
    check process conformance
if QF<1 then
    check proces conformance
    if process conformance good
    check domain understanding
    if domain understanding good
        method poor for this class of project

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