PSYC 2000 Lecture : Intro To Psychology Notes
Document Summary
To what extent can the results be generalized to other people/animals and situations. To what extent is your manipulation causing the effects: ecological validity. How much does the setting approximate a real-world setting: stroop task, you read the color of the ink of written worlds. Blind observers: each naturalistic setting is unique, laboratory observations, sometimes naturalistic observation is not a practical or feasible option, advantage, great level of control over the situation. Courtesy bias: question wording and order, determining/finding relationships, methods so far provide descriptions, relationships, correlations. Correlational study: measure the relationship between two variables without controlling either of the them. Correlation coefficient (r): a mathematical estimate of the relationship between two variables: ranges from +1 to -1, represents two things, direction of a relationship, strength (stronger relationship is close to either +1 or -1) Correlation does not imply causation: does x lead to y, does y lead to x, is z causing both x and y, spurious correlation, experiments.
