PSY201H1 Chapter Notes - Chapter 1: Statistical Inference, Sampling Error, Descriptive Statistics
13 Nov 2013
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; condenses large amounts of information into a few figures; set of math procedures for organizing , summarizing and interpreting data. Used to organize and summarize information to effectively and accurately communicate results to help to answer initial question (theory) by providing specific and justifiable conclusions. Procedure provides a method that is in unison with other researchers; other people are able to replicate results the same as the original study. Population - sample of scores - the entire group the researcher is interested in ex: study on self esteem of teens with divorced parents. Population would be all teens (study is comparing divorced families and non-divorced families); should always be defined by researcher; can have varying sizes; doesn"t have to be humans. Sample - the group of people from the population participating in the study; representatives of the entire population; results from sample are generalized to so they can represent the entire population.
