Dimensional models of psychopathology may highlight symptom continua, but they do not answer the central question of whether our diagnoses reflect real entities in nature.

In my previous blog post, I noted that reliability and validity are two essential properties of psychological measurement. Measures of intelligence, personality, vocational interests, and so forth ...

Correspondence to Dr Moritz Schumann, Institute of Cardiovascular Research and Sports Medicine, Department of Molecular and Cellular Sports Medicine, German Sport University Cologne, Koln 50858, ...

Although the contribution of dietary factors on the development of chronic diseases, particularly cancers and cardiovascular diseases, has been increasingly recognized, the measurement of usual ...