TRN125Y1 Lecture Notes - Internal Validity, External Validity, Social Order
4 Mar 2013
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Internal validity: refers both to how well a study was run (research design, operational definitions used, how variables were measured, what was/wasn"t measured, etc. ), and how confidently one can conclude that the observed effect(s) were produced solely by the independent variable and not extraneous ones. Internal validity threat: threats that compromise confidence of the relationship existing between two variables. Arthritis being associated to aging: difference in the sample groups of individuals. External validity: represents the extent to which a study"s results can be generalized or applied to other people or settings. External validity threats: threats that compromise the generalizability and application of a how generalizable is the validity. The results that we achieved, how generalizable and applicable they may be to real life: sample: how representative is the sample we are studying to the general public. Micro level theory = e. g. effect of negative stereotyping.
