1.   First are theoretical approaches which depend upon some empirical knowledge to apply theoretical concepts such as the continuity equation.

2.   The analysis of these data will combine up-to-date statistical techniques with theoretical concepts drawn from both economics and sociology.

3.   Throughout the book, theoretical concepts and experimental evidence are integrated.

4.   What distinguished eugenists from Farr and his colleagues were the laws and theoretical concepts used to assess the population.

5.   But the point is that the scale constitutes an operational measure for the theoretical concept of alienation.

6.   However we do not want to engage in the quantitative issue for the moment, but stay with the relationship between the theoretical concept and its operational definition.

7.   Theoretical concepts are, by their nature, much wider in their meaning than operational definitions.

8.   The theoretical concepts of psychology and sociology are used to study how people work in organisations.

9.   Because these skills would not be particular to one subject area--.