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Analyzing Sever and Youdin 's "Police Knowledge of Older Populations : The Impact of Training , Experience , and Education

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The study and article conducted by Brion Sever and Robert Youdin entitled "Police Knowledge of Older Populations : The Impact of Training Experience , and Education , is a research which is basically exploratory in nature . The reason to this is that the authors employed a study which primarily sought to explore the existing knowledge of police officers regarding the older population through the use of a survey from

a sample of 221 officers in the nine agencies spread across the area of central New Jersey

The likely internal validity of this study is applicable to the samples taken . That is , the results of the study are most likely valid and applicable to the 57 of the 221 officers who completely responded to the survey questions . Also , since the research is a non-probability sample of officers , it is least likely that the results of the research will conversely apply neither to the whole New Jersey police officers nor to the rest of the police population across the United States of America or elsewhere

The likely external validity of the study conducted , on the other hand is both limited and probable . The external validity of the study is limited in the sense that it may not strongly apply to other police departments due to the differences among the police population , or from the samples from the rest of the other non-samples . Further , the study is probable in terms of its external validity for the reason that it may nevertheless shed a small amount of probability to the other non-samples for the reason that the nature of the subjects , being police officers may contribute a little amount to the exploration of the knowledge of police officers regarding the older populations in other areas

In terms of cross-population generalizability , the research indicates that the strength of the study conducted , along with its findings and results , relies strongly on the sample taken whereby the applicability to other police population in terms of knowledge may relatively vary . On the other hand , the cross-population generalizability , in terms of the older population , may more likely apply in the sense that at some other parts of the country or the world , arrests of older people , for instance , may occur or have already taken place

In terms of sample generalizability , the research shows that , from among the 57 respondents who completed the surveys , the findings generalize merely 57 of the police officers who gave sworn statements through the survey responses . While the sample strongly generalizes more than half of the police officers across the nine police departments of New Jersey , it can be noted that nevertheless the research data brings the information that there is a correspondence between the police knowledge of older populations and its impact on the police officer 's training , experience and education with regard to the older populations

The types of relevant validity in...