Varpu Penninkilampi-Kerola

A comparative assessment of the factor structures and psychometric properties of the GHQ‐12 and the GHQ‐20 based on data from a Finnish population‐based sample

Varpu Penninkilampi-Kerola, Jouko Miettunen, Hanna Ebeling · Scandinavian Journal of Psychology · 2006 · 86 citations

Co-twin dependence, social interactions, and academic achievement: A population-based study

Varpu Penninkilampi-Kerola, Irma Moilanen, Jaakko Kaprio · Journal of Social and Personal Relationships · 2005 · 45 citations

Social Isolation, Finnish Adolescent Twins, Social Psychology +16

Screening infants with social and emotional problems: A pilot study on the brief infant oddler social and emotional assessment (Bitsea) in northern Finland

Helena Haapsamo, Hanna Ebeling, Hanna Soini et al. · International Journal of Circumpolar Health · 2009 · 27 citations · Full text

Co-Twin Dependence Modifies Heritability of Abstinence and Alcohol Use: A Population-Based Study of Finnish Twins

Varpu Penninkilampi-Kerola, Jaakko Kaprio, Irma Moilanen et al. · Twin Research and Human Genetics · 2005 · 23 citations

Substance Use, Maximum Likelihood Models, Alcohol Use +22

Co-Twin Dependence Modifies Heritability of Abstinence and Alcohol Use: A Population-Based Study of Finnish Twins

Varpu Penninkilampi-Kerola, Jaakko Kaprio, Irma Moilanen et al. · Twin Research and Human Genetics · 2005 · 22 citations · Full text

Substance Use, Alcohol Use, Social Sciences +17