This course presents the process involved in identifying different sources of data and variables and the use of conceptual models to influence choice and measurement of variables. The course presents the processes for identifying different sources of variables, designing, testing and/or selecting instruments, methods and procedures for measuring variables in clinical, educational and research settings. Prerequisite: NURS 6301, Theoretical Evolution in Science, or permission of instructor. Course is predicated on prior learning related to concept analysis, basic statistics including correlation.