PS296 Chapter Notes - Chapter 1&2: Psychophysics, Statistical Inference, Categorical Variable
Document Summary
Statistics set of procedures and rules for reducing large masses of data to manageable proportions & for allowing us to draw conclusions from those data. Take statistics to be able to analyze the results of experimental research. 1. 2 importance of the context common experimental task demonstrating morphine tolerance placing rat on a uncomfortably warm surface latency of paw-lick is the measure of rat"s sensitivity to pain. Theorized administering a series of pre trials develop morphine tolerance. Concluded drug overdoses occur in novel settings. 1. 3 basic terms statistical procedures = descriptive & inferential statistics. Average length of time it takes a normal mouse to lick its paw when placed on warm surface. Time it takes a morphine-injected mouse to do same thing. Crime rates, dieting scored on eating restraint scale, summary info concerning exam grades in a course. Inferring characteristics of populations (parameters) from characteristics of samples (statistics) Used when studying something that has very little variability.
