PSY 102 Chapter Notes - Chapter 2: Confounding, Operational Definition, Random Assignment
Document Summary
The beauty and necessity of good research design. Prefrontal lobotomy: the surgical procedure that cuts the fibres connecting the frontal lobe from the thalamus. Ex. surgeons said it worked but once tested it was useless. Heuristics: mental shortcut that helps us to streamline our thinking & make sense of our world. Representativeness heuristic: involves judging the probability of an event by its superficial similarity to a prototype. Base rate: how common a characteristic or behaviour is in the general population. Availability heuristic: involves estimating the likelihood of an occurrence based on how available" it is in our minds. You called to mind mental images of your campus & imagined more trees than in downtown. Hindsight bias: overestimating how well we could have successfully forecasted known outcomes. Overconfidence: overestimating our ability to make correct predictions. Scientific method: uses tools that have one thing in common- they permit us to test hypothesis.
