Psychology is a science because it employs systematic methods of observation, experimentation, and data analysis to understand and predict behavior and mental processes, grounded in empirical evidence and subjected to peer review.| Simply Psychology
Experimental design refers to how participants are allocated to different groups in an experiment. Types of design include repeated measures, independent groups, and matched pairs designs.| Simply Psychology
Correlation means association - more precisely, it measures the extent to which two variables are related. There are three possible results of a correlational study: a positive correlation, a negative correlation, and no correlation| Simply Psychology
Case study research involves an in-depth, detailed examination of a single case, such as a person, group, event, organization, or location, to explore causation in order to find underlying principles and gain insight for further research.| Simply Psychology
A research hypothesis, in its plural form "hypotheses," is a specific, testable prediction about the anticipated results of a study, established at its outset. The research hypothesis is often referred to as the alternative hypothesis.| Simply Psychology