Psychology 2061A/B Lecture Notes - Lecture 2: Concurrent Validity, Job Analysis, Observational Error
26 Sep 2017
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The rational method: power of reasoning, relying on skepticism, searching for self-evident truths , assumption 1: something that thinks must exist, assumption 2 i am thinking, conclusion: i exist. Intuition: based on fuzzy unstated assumptions and a deductive process, no means to verify or challenge intuition. Concerned with reality - objects and events exist independently from the observer. Science accepts casualty - human behaviour is based on a set of orderly relations that can be predicted and explained. A leads to b and so on: four stages. Re ned and corrected over time: observing a phenomenon. Scouting an event, making preliminary observations: formulating tentative explanations (i. e. , hypothesizing) phenomenon (i. e. hypothesis) Tentatively state the nature of the relation between variables related to the: observing, testing, and experimenting. Correlation coe cient and statistical concepts: basic statistics: Mean = average score in the sample. Variance/standard deviation = average di erence any one value is from any other score: correlation coe cient: r.
