2015•The Encyclopedia of Crime and PunishmentOpen access
Experimental Research Design
Ojmarrh Mitchell
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Abstract
Experimental research design is centrally concerned with constructing research that is high in causal (internal) validity. Randomized experimental designs provide the highest levels of causal validity. Quasi‐experimental designs have a number of potential threats to their causal validity. Yet, new quasi‐experimental designs adopted from fields outside of criminology offer levels of causal validity that rival experimental designs.
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