PSY 1071 Chapter Notes -Random Assignment, Institutional Review Board, Confirmation Bias
3 Mar 2014
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It"s not enough to see the data, we must understand the pitfalls that separate good data vs. Ex: it is possible to read minds as long as there are no non-believers around who might cause bad vibes (not falsifiable, people cannot disprove it) Ex: attention to a demanding task will induce blindness for unattended events. hypothesis: All subjects will see the gorilla. falsifiable! Testable theories and hypothesis: measures must be reliable (must give similar results each time they are used, measures must be valid (test what they are supposed to test) The higher the absolute value, the stronger the relationship is, regardless of the direction. 89 or + . 15 first shows a greater relationship: note: correlations do not indicate causation. Correlations only reveal if two variables are related. They do not tell anything about what causes what (depressed mood vs. impaired sleep vs. family conflicts: illusory correlations. An apparent relationship based on casual observations of unrelated or weakly related events.
