PPE-3003 Lecture Notes - Lecture 3: Face Validity, Periodic Table, Case Report
Document Summary
Great strengths are usually great weaknesses, and surprisingly often the opposite is true as well. There are no perfect indicators of personality; there are only clues, and clues are always ambiguous. Something beats nothing, two times out of three (bad data is better than no data) Some scientific fields focus on memorization and technical training. *not the only way to differentiate between sources of data. Pros: only the person themselves can answer certain questions; large amounts of info. Cons: may be dishonest (purposely or not) (i) informant data: what other people think. Pros: takes co(cid:374)text i(cid:374)to accou(cid:374)t; (cid:862)causal force(cid:863) (reputation affects persona, expectancy effects); observations in real world. Cons: limited info; bias; error (l) life outcomes data: verifiable, concrete, real-life facts (criminal record, Cons: multidetermination (correlation doe not equal causation); situational factors (b) behavioral data: information that is carefully and systematically recorded from direct observation. Natural behavioral data: pros: realistic, cons: difficult, desired contexts may seldom occur, uncertain interpretation.
