Criminal Justice Research Essay Example | Topics and Well Written Essays - 500 words

Criminal Justice Research - Essay Example Internal validity is used initially in the crime investigation research process. The decision to support the valid facts by any variable inclusion or exclusion is termed as internal validity while its implementation is the external validity. In other words external validity refers to those results which have very strong results of internally valid tests. (Farrington et al, 2002, p. 13) On the other hand reliability is all those measures which are utilized to achieve and repeat the same set of results acquired in validity. Reliability guarantees and confirms the valid tests to be used ever again in criminal data analysis and findings. Example: Taking all the security measures to prevent women trafficking among rural and urban population may or may not generalize the problem because of the reason that the two populations are clearly different. Therefore the thing that concerns is that women trafficking crime measures in both the populations reacts differently. This can be achieved by testing those measures differently. In case a preventive measure is set in both the populations, its validity would be determined once according to their populations. Afterwards its reliability could be measured each time the standard results meet the acquired 'validity'. The main difference between a valid measure and relia