Metaanalysis
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Recent papers in Metaanalysis
Many aspects of attention decline with aging. There is a current debate on how aging also affects sustained attention. In this study, we contribute to this debate by meta-analytically comparing performance on the go/no-go Sustained... more
Obesity is heritable and predisposes to many diseases. To understand the genetic basis of obesity better, here we conduct a genome-wide association study and Metabochip meta-analysis of body mass index (BMI), a measure commonly used to... more
The present meta-analysis integrates the results from 168 empirical studies on differences between caregiving spouses, adult children, and children-in-law. Spouses differ from children and children-in-law significantly with regard to... more
Most of the statistical procedures in meta-analysis are based on the estimation of average effect sizes from a set of primary studies. The optimal weight for averaging a set of independent effect sizes is the inverse variance of each... more
This meta-analysis surveyed 177 usable sources that reported data on gender differences on 21 different measures of sexual attitudes and behaviors. The largest gender difference was in incidence of masturbation: Men had the greater... more
The present study was designed to examine developmental patterns of identity status change during adolescence and young adulthood through meta-analysis. Some 124 studies appearing in PsycINFO, ERIC, Sociological Abstracts, and... more
Both the professional and the general media have recently published concerns about an 'epidemic' of child and adolescent depression. Reasons for this concern include (1) increases in antidepressant prescriptions, (2)... more
Perfectionism is a personality trait consisting of many dimensions, and various factors are effective in the formation of this personality trait. At this point, parenting styles appear as a factor that should be examined. The purpose of... more
Systematic reviews are generally regarded by professionals in the field of evidence-based medicine as the highest level of medical evidence, and they are already standard practice for clinical studies. However, they are not yet widely... more