Nonetheless, whatever their nature, they have to be operationally defined.

The bottom line is that I think scientific terms are better when operationally defined.

The very nature of the construct makes it difficult to operationally define.

Before information processing theory, psychologists had trouble operationally defining intelligence.

The way in which studies operationally define thresholds depends on the methods of the particular article.

This method of operationalization is not to be confused with operationally defining.

So there are quantities that are defined operationally by some instrument or another.

However, Bridgman proposes that if we only stick to operationally defined concepts, this will never happen.

Each of these constructs is then operationally defined with methods developed that test the hypothesis of the theory.

It is usually described as being involved when tests intend to measure some construct that is not "operationally defined."