To help you select which method may be most appropriate for your circumstances, try out the FLW Quantification Method Ranking Tool. (flwprotocol.org)
If it's guidance on quantification methods you need, download the chapters that apply to your situation. (flwprotocol.org)
However, in order to help you select the most appropriate method (s) under different scenarios, an FLW Quantification Method Ranking Tool is available. (flwprotocol.org)