types of experiments and experimental design 0.0 / 5 ? PsychologyResearch methods and techniquesASAQA Created by: ABCDJUMCreated on: 27-10-18 14:46 LAB low external validity (artificial so hard to generalise)/ demand characteristics (ppt know they are being observed) 1 of 11 FIELD reduced demand characteristics (ppt behave naturally)/ high external validity (real world so easily generalisable) 2 of 11 NATURAL less experimenter bias (IV natural so no control)/ reduced demand characteristics (ppt behave naturally)/ confounding variables (lack of control) 3 of 11 QUASI no random allocation- loss of controls/ fewer ethical issues (ppt aware being studied so more likely to give consent 4 of 11 indepenndant groups lower demand characteristics/ ppt variables (individual differences influences results) 5 of 11 repeated measures no confounding variables/ order effects 6 of 11 matched pairs lowers ppt variables 7 of 11 internal validity extent results are due to the IV 8 of 11 external validity extent results can be generalised people (population validity), setting (ecological validity), time (temporal validity) 9 of 11 internal reliability internal consistency 10 of 11 external reliability consistency over time 11 of 11
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