PSYB04H3 Lecture Notes - Lecture 10: Type I And Type Ii Errors, Statistical Power, Intravenous Therapy
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Experimental design names time of day has 3 levels: morning, noon and night: 2 levels of the first iv, 3 levels of the second. This is a 2x3 design: eg. ) coffee drinking x time of day. Coffee has 2 levels: cup of coffee or cup of water: 3 levels of the first iv, 2 levels of the second,4 levels of the third. If at least one iv is independent groups and at least one iv is repeated measures. Plot design eg. ) time of day (am, pm), coffee (1 cup, 3 cups), year in school (1st, 2nd, 3rd: main effect = effect the iv on the dv, collapsed across levels of the other iv. I(cid:374)teractio(cid:374) = joi(cid:374)t effect of the 2(cid:894)+(cid:895) iv"s o(cid:374) the dv.
