- To understand the relationship between reliability and validity
- To learn the meaning of experimental reliability and validity
- To understand the factors contributing to experimental reliability
- To understand the methods of assessing reliability
- To understanding the meaning of statistical conclusion validity and its importance in research
- To understand the meaning of internal validity and its importance in making causal inferences
- To understand the meaning of extraneous variables and why they need to be controlled
- To understand what extraneous variables can threaten internal validity and how these variables threaten internal validity
