Discuss why it is important to differentiate the Campbellian validity typology from the experimentation evaluation approach. Discuss why the holistic effectuality evaluation approach argues that...

Discuss why it is important to differentiate the Campbellian validity typology from


the experimentation evaluation approach.

Discuss why the holistic effectuality evaluation approach argues that real-world out-

come evaluation should be a hybrid (constructive and conclusive) evaluation rather


than only a conclusive evaluation, as assumed by the experimentation evaluation


approach.