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Major IQ differences in identical twins linked to schooling, challenging decades of research

A new analysis of studies spanning the last century finds that differences in schooling appear to explain a large portion of the IQ gap between identical twins who were raised in separate homes. The ...
JSTOR Daily

Parameters to Aid in the Design and Analysis of Community Trials: Intraclass Correlations from the Minnesota Heart Health Program

This is a preview. Log in through your library . Abstract Community trials involve the assignment of intact social groups to study conditions and are becoming increasingly common in epidemiologic ...
Nature

An international study to increase concordance in Ki67 scoring

Although an important biomarker in breast cancer, Ki67 lacks scoring standardization, which has limited its clinical use. Our previous study found variability when laboratories used their own scoring ...
JSTOR Daily

Estimating Group-Level Relationships: General Recommendations and Considerations for the Use of Intraclass Correlation Coefficients

Purpose In this investigation, we argue for why and how available intraclass correlation coefficients and other types of reliability estimates can be employed as sample-based reliability estimates ...