However, many observations and considerations cast doubts on the fruitfulness of the proposed direct pick up of global invariants.
Neither hypothesis is better in terms of simplicity, conservativism, fruitfulness, scope, or testability.
Various "mismatches" have compromised the fruitfulness of the exchanges, however.
The predictive strength of the risk index suggests the complexity of children's social- cognitive functioning and the empirical fruitfulness of aggregate measures of information processing.
To maximize their fruitfulness for economics, the new concepts and methods of nonlinear dynamics should become part of the standard toolbox of economic theorists.
To me, the really exciting thing in contemporary neuroscience is the confirmation of the fruitfulness of a conceptual nervous system.
Within a scientific community there will exist community sanctioned values guiding the choices of individual scientists, including accuracy, scope, simplicity, fruitfulness and the like.
Once again, it is purely a matter of heuristic fruitfulness.
