Psychology 3721F/G Lecture Notes - Cognitive Psychology, Predictive Validity, Central Tendency
Document Summary
Every damn ass research lecture: characteristics of a good hypothesis, hypothesis generation: A statement that can be either true of false (if/then) Contrast with analytic statements always true (bachelors are unmarried: testable. Can we really do the necessary experimental manipulation: falsifiable. Is it possible for the data to show the hypothesis to be wrong: parsimonious. Should be as simple as possible: fruitful (hopefully) Should lead to new hypotheses: induction, specific observations testable conclusion, deduction, take general principles/theories/rules and generate specific hypothesis, cognitive psychology principle of memory. Experimentation: in a correlation: is there a relationship, v1 v2. Interchangeable, relationship between height and weight: in an experiment, iv dv. Dependent variable effect (what is measured: independent variable: 2(+) levels. Cronbach"s a if items all measure a similar construct they should be correlated, value as intercorrelations between items: split-half reliability divide 2 halves or sections and correlate answers, validity, external validity.
