This is an Eval Central archive copy, find the original at winderl.net. Very simple and practical information on getting the formulation right. Do you have a similar formula on outcome and impact level? That would be great!
Archiving & Amplifying Evaluation
This is an Eval Central archive copy, find the original at winderl.net. Very simple and practical information on getting the formulation right. Do you have a similar formula on outcome and impact level? That would be great!