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CoSMoS and TwinPaW: Initial Report on Two New German Twin Studies

Published online by Cambridge University Press:  21 February 2012

Frank M. Spinath  and
Heike Wolf
Frank M. Spinath*
Affiliation:
Department of Psychology, Saarland University, Saarbruecken, Germany. f.spinath@mx.uni-saarland.de
Heike Wolf
Affiliation:
Department of Psychology, Saarland University, Saarbruecken, Germany.
*
*Address for correspondence: Frank Spinath, Saarland University, Department of Psychology, P.O. Box 151150, 66041 Saarbruecken, Germany.

Abstract

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After briefly recapitulating two earlier German twin studies (BiLSAT and GOSAT), we present two new German twin studies with a longitudinal perspective: CoSMoS and TwinPaW. The twin study on Cognitive ability, Self-reported Motivation and School performance (CoSMoS) aims to investigate predictors and influences of school performance in a genetically sensitive design, beginning with children in late elementary school. The Twin study on Personality And Wellbeing (TwinPaW) focuses on adult personality and its relation to physical health as well as health-related behavior in an adult sample of twins. Both studies are characterized by an effort to recruit new large twin samples through a novel recruitment procedure aimed at reducing self-selective sampling. In two German federal states, contact information on persons born on the same day and with the same name was retrieved from record sections. From the resulting pool of more than 36,000 addresses we contacted approximately 2000 parents of twins aged 9 and 10 for CoSMoS, as well as 2000 adult twin pairs for TwinPaW by telephone and mail. Personal contact by telephone proved to be more efficient with agreement rates of 63% in the children sample and 65% in the adult sample. In this article we briefly describe the rationale and the study aims of CoSMoS and TwinPaW as well as the characteristics of the sample we have recruited so far.

Type
Articles/Germany
Information
Twin Research and Human Genetics , Volume 9 , Issue 6 , 01 December 2006 , pp. 787 - 790
Copyright
Copyright © Cambridge University Press 2006