PSYCH 303- Final Exam Guide - Comprehensive Notes for the exam ( 123 pages long!)
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What subgroups: is random sampling possible, random sampling (for survey) vs. random assignment to condition (for experiment, sampling for surveys, often possible to approach random solicitation from population of interest using phone, March 13, 2017: within-group vs. between-group designs, independent-groups. Data = set of observations that can either support or cause you to reject your hypothesis. Falsifiable = your theory needs to be able to be proven false through hypothesis testing. Theory = set of statements devised to explain a phenomena and is based on empirical data. Null hypothesis = the independent variable has no effect on the dependent variable, or the two variables are not correlated. Type 1 error = (cid:862)false positi(cid:448)e;(cid:863) (cid:455)ou (cid:396)eje(cid:272)t the (cid:374)ull h(cid:455)pothesis (cid:449)he(cid:374) it is a(cid:272)tuall(cid:455) t(cid:396)ue. T(cid:455)pe 2 e(cid:396)(cid:396)o(cid:396) = (cid:862)false (cid:374)egati(cid:448)e;(cid:863) (cid:455)ou a(cid:272)(cid:272)ept the (cid:374)ull h(cid:455)pothesis (cid:449)he(cid:374) it is a(cid:272)tuall(cid:455) false. Null effect = the independent variable has no effect on the dependent variable, or the two variables are not correlated.
