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Research Article - Language and Intelligence

 

            This article's research question was asking if early language and intelligence development had any relationship to future criminal behavior. This research question was interesting because it looked at different ages from birth to adulthood to see if there were any links to criminality in around 200 males by assessing their development in language and intelligence to see if there were any correlations between them. Two interesting questions that Stattin, Hakan, U StockHolm, Sweden Klackenberg-Larsson and Ingrid addressed: "At what age does intelligence start to become prognostic of future criminality? And to what extent, and how early, do differences between future criminals and noncriminals appear in language domain?" The article also examined the role of the socioeconomic status (SES) and the relationship between parents reading to and playing with their child and children's language ability around 1 month to 3 yrs. The hypothesis was explained that early language development of the Ss would have a negative association with future criminality. Several tests were conducted but, the psychomotor development test for infants would support this hypothesis. This test was measure by four different tests: motor development, coordination development, language development and social-personal development. Another test that supported this hypothesis was the psychologists' ratings of children's verbal behavior by reporting the child's speech behavior from age 3-5 yrs. .
             The methods in this study consisted of a sample of 212 subjects, 122 males and 90 females from birth all the way to adulthood. The results showed that as early as 3 years of age, the boy's intelligence scores were very considerably correlated with criminal activities. From 5 to 8 years, they weren't as significant as they were at about 3 years. Table 1 in the article showed that Frequent offenders possessed the lowest IQ scores compared to the nonoffenders and the sporadic offenders overall.


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