Monthly Archives: November 2012

Flawed meta-analysis of a flawed literature: commentary on Versteeg et al






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Are we witnessing the decline effect in the Type D personality literature? What can be learned?






After an unbroken series of positive, but underpowered studies seemed to demonstrate Type D personality predicting mortality in cardiovascular disease patients, initial claims now appear at least exaggerated and probably false. Larger studies with consistently null findings are accumulating. Conceptual, methodological, and statistical issues can be raised concerning the construction of Type D personality as a categorical variable, whether Type D is sufficiently distinct from other negative… Continue reading

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