PSY201H1 Lecture Notes - Lecture 1: Unimodality, Bar Chart, Kurtosis
10 May 2016
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*when design experiment- keep most of variables constant, manipulate only one thing at a time ( if not, you don"t know which variable caused the result) *sample: has to be chosen randomly to represent the population. 1. discrete: indivisible eg. gender. monopoly game, number of times you pass go or hotels you own, classmates right earlobe if earlobe is attached or not, highest grades completed: continuous : divisible eg. time, ruler measurement. weight. * real limit: (+) 0. 5 of upper & (-) 0. 5 of lower. 1. nominal : naming different things eg. hair color / no order or structure. Ordinal : ordinal scale eg. rating happiness level. , age group: interval : has no absolute zero. eg. temperature in celcius. *descriptive stat= methods for organize &summarize data. eg. average score descriptive value for pop=parameter sample= statistic. *non-experimental or quasi experimental = both compare groups of score but no manipulating variables. / use pre-existing variables. eg. order adults/younger adults, male/female, before/after.
