Chapter 4: Measurement and Units of Analysis


Explore Psychology. (2019). What is an extraneous variable? Retrieved from

Palys, T., & Atchison, C. (2014). Research decisions: Quantitative, qualitative, and mixed methods approaches (5th ed.). Toronto, Canada: Nelson Education.

Saylor Academy. (2012). Principles of sociological inquiry: Qualitative and quantitative methods. Retrieved from


Share This Book