Description: (Formerly numbered 249A.) Lecture, three hours; outside study, nine hours. Requisites: courses 249A, 249B. Limited to PhD students. Introduction to underlying logic(s) of scientific inquiry to provide students with building blocks for independent scholarship. Experimental and quasi-experimental approaches in intervention research, ways of enhancing internal, external, and statistical conclusion validity, and inferring causality. Letter grading.

Units: 4.0