Empirical research is research using empirical evidence. Whittaker based his approach on theoretical assertions and empirical sampling. Theoretical models have demonstrated symmetry-breaking similar to observations in empirical studies. Current traffic models use a mixture of empirical and theoretical techniques. There are several advantages to using smoothed best response, both theoretical and empirical. Foucault's analysis of power comes in two forms&colon; empirical and theoretical. He based teaching practices on empirical evidence and measurement. Conceptual frameworks are particularly useful as organizing devices in empirical research. Thus there are interactions between philosophy and empirical findings. Statistics is used to infer the underlying probability distribution of a collection of empirical observations. Explanation is the most common type of research purpose employed in empirical research. This is the primary source of empirical evidence. Below are specific types of anger management treatment approaches supported by empirical studies. Nor do they claim the system is applicable to inductive forms of empirical research. The following is a simple example of parametric empirical Bayes estimation.