Learning Objectives Differentiate the goals of descriptive, correlational, and experimental research designs and explain the advantages and disadvantages of each. Explain the goals of descriptive research and the statistical techniques used to interpret it. Summarize the uses of correlational research and describe why correlational research cannot be used to infer causality. Review the procedures of … Continue reading 3.2 Psychologists Use Descriptive, Correlational, and Experimental Research Designs to Understand Behaviour