'''Modified Condition/Decision Coverage''' (MC/DC), is used in the standard [[DO-178B]] to ensure that Level A (Catastrophic) [[software]] is [[Software testing|tested]] adequately.
ItTo issatisfy athe formMC/DC ofcoverage [[exhaustive testing]]criterion, in that during testing all of the below must be true at least once<ref>{{cite journal | title = A Practical Tutorial on Modified Condition/ Decision Coverage | month = May | year = 2001 | journal = NASA | last1 = Hayhurst | first1 = Kelly | last2 = Veerhusen | first2 = Dan | last3 = Chilenski | first3 = John | last4 = Rierson | first4 = Leanna | url = http://shemesh.larc.nasa.gov/fm/papers/Hayhurst-2001-tm210876-MCDC.pdf}}</ref>:
