I have been both trained on DODAR and FORDEC. In my view they both describe pretty much the same process with slightly different terms. Both work quite well and both are a good tool to have for a structured approach to decision making and failure handling.
D iagnosis
O ptions
D ecide
A ssign tasks
R eview
F acts
O ptions
R isks and benefits
D ecision
E xecution
C heck