CLD 322 Lecture Notes - Lecture 10: Factorial Experiment, Dependent And Independent Variables, Analysis Of Variance
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10 Dec 2020
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Topic doesn"t have to be different but it has to have different research designs and tests. Studies with 1 or 2 independent variables: two factor factorial designs, they all have 2 independent variables, first look at how many groups are in the 1st ind var, then the 2nd ind var number of groups, ex. 2 x 2 factorial design means theres 2 ind variables both have 2 groups/levels: 2 x 3 means the first ind has 2 levels, 2nd has 3 levels, you can have any two numbers. Looking at comparing two grades in school, and 3 types of instruction (2 x 3) Variables: the volume (ind 2 groups/levels) , and rating of music (dep) Design: posttest only comparison group (or post test control. Not a correlation bc there is a dep and ind variable, correlation is both have to be whether they relate to each other this is cause and effect.