| 1. |
- Bergman, Lars R., et al.
(författare)
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Types and continua in developmental psychopathology : problem behaviors in school and their relationship to later antisocial behavior
- 2009
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Ingår i: Development and psychopathology (Print). - Cambridge : Cambridge University Press. - 0954-5794 .- 1469-2198. ; 21:3, s. 975-992
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Tidskriftsartikel (refereegranskat)abstract
- In the study of developmental psychopathology a dimensional, variable-oriented approach dominates over a typological approach. With the person-oriented research paradigm providing the metatheoretical framework, pros and cons of these two approaches are discussed, and it is pointed to different methodological realizations of the typological approach, and to the contexts where they might be appropriate. It is also pointed out that the two important and underused concepts of equifinality and multifinality with advantage can be incorporated in a person-oriented approach. An empirical example is given of the study of the structure of early adolescent problem behaviors and their relationship to later criminality where dimensional as well as typological analyses are carried out. The usefulness of the typological approach in studying the development and early manifestations of the personality disorder psychopathy is also discussed. It is concluded that the usefulness of a typological approach appears to be underestimated.
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| 2. |
- Grigorenko, Elena L., et al.
(författare)
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Exploring interactive effects on genes and environments in etiology of individual differences in reading comprehension
- 2007
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Ingår i: Development and Psychopathology. - 0954-5794 .- 1469-2198. ; 19:4, s. 1089-1103
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Tidskriftsartikel (refereegranskat)abstract
- It is established that reading and reading-related processes are heritable; genes thus play an important role in the foundation of individual differences in reading. In this article, we focus on one facet of reading–comprehension. Comprehension is a higher order cognitive skill that requires many other cognitive processes for it to unfold completely and successfully. One such process is executive functioning, which has been associated with genetic variation in the catechol-O-methyltransferase (COMT) gene. Genotypes and haplotypes of four single nucleotide polymorphisms in COMT were investigated in 179 incarcerated adolescent delinquents. Four hierarchical logistic regression models predicting the presence/absence of comprehension difficulties were fitted to the data; genetic variation in COMT and the presence/absence of maternal rejection were investigated as main effects and as effects acting interactively. Three out of four interaction terms were found to be important predictors of individual differences in comprehension. These findings were supported by the results of the haplotype analyses, in which the four investigated polymorphisms were considered simultaneously.
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