PHED-1106EL Study Guide - Final Guide: Null Hypothesis, Stratified Sampling, Intelligence Quotient
12 Sep 2018
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Cie(cid:374)tific resea(cid:396)ch: e(cid:454)plo(cid:396)atio(cid:374) a(cid:374)d disco(cid:448)e(cid:396)(cid:455); a (cid:395)uest fo(cid:396) (cid:862)t(cid:396)uth(cid:863) Research: the process through which new knowledge is discovered. High quality research: based on work of others, can be replicated, generates new questions. Scientific method: standard sequence of steps that are followed when completing a scientific research study. When starting a project: review the literature, findings should lead to other questions. Hypotheses: educated guess; hypothesis poses the question that researcher aims to answer. Applied research: can be applied and is meant to be applied. Dependent variables: outcome variable, depends on independent variable. Extraneous variables: not part of experiment; related to independent or dependent variable. Moderator variables: related to the independent and dependent variables. Classification of data: nominal level: uses labels, classifies without order; mutually exclusive (cant be both at the same time, ex: gender, voting, preference, ordinal level: categories have logical order; are mutually exclusive.
