Matching Pairs Research Methods Online version In this game you will be able to review the different types of research methods, and review terms used. by Gisselle Padilla 1 What is correlation coefficient? 2 What is a theory? 3 What happens in a naturalistic observation? 4 What is the difference between dictionary definitions and operational definitions? 5 What is a case study? 6 What else is hindsight bias known as? 7 What is illusory correlation? 8 What happens in a double-blind procedure? 9 What does a normal curve look like? 10 What is skewed distribution? statistical index of the relationship between two variables from (-1.0-1.0). representation of scores that lack symmetry around the average value. I-knew-it-all-along phenomenon. Perception of a relationship where none exist. Where both the research participants and the researcher don't know if they are in the placebo group or experimental group. describes the concepts with precise procedures and measures. They observe people, and animals in their natural environment and don't interfere. explains behaviors or events by offering ideas that organize what we have observed. Bell shaped distribution. one individual or group is studied in depth in the hope of revealing universal principles.