Experimental Design: Experimental design is the structure or plan used in conducting an experiment in psychology. It includes variables (independent and dependent), control groups, random assignment, and other factors necessary for valid conclusions.
Correlational Research: Correlational research examines the relationship between two or more variables without manipulating them. It helps identify associations but cannot establish causation.
Ethics: Ethics in psychological studies refers to following moral principles and guidelines to ensure participants' rights, well-being, and privacy are protected. Ethical considerations play a crucial role in conducting research responsibly.