Dr. Manishika Jain in this lecture explains the meaning of variables and explain the 28 types of variables: Attribute or Quality Differ in magnitude Control of Variables IV, DV, Mediating Variable IV: Characteristic of experiment that is manipulated DV: Variable measured Mediating/intervening – hypothetical concept explain relation b/w variables (Parent’s status - child’s status by education) Confounding – extra variable (effect of activity on obesity – AGE) Dig! Dig! Effect of noise on test sco