Morningness-eveningness or chronotype changes significantly throughout the life span. This has been reported for the transition during adolescence in some studies, and to a lesser extent in early adulthood. Primary and pre-school children have been under investigation in fewer studies. This is the first comprehensive study covering the age range from very young children until early adulthood (0...

Response times on test items are easily collected in modern computerized testing. When collecting both (binary) responses and (continuous) response times on test items, it is possible to measure the accuracy and speed of test takers. To study the relationships between these two constructs, the model is extended with a multivariate multilevel regression structure which allows the incorporation o...

We present a formulation of the molecr~lar theory of atomic collisions satisfying correct scattering I,orrndary conditions, withor~t, resorting t.o the notion of electron translation factor.

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This article provides a broad overview of widely available measures of academic productivity and impact using publication data and highlights uses of these metrics for various purposes. Metrics based on publication data include measures such as number of publications, number of citations, the journal impact factor score, and the h-index, as well as emerging metrics based on document-level metri...

orrhoea in the Female Sex. This work was briefly referred to in the Edinburgh Medical Journal for January; but, as it was my misfortune, towards the end of last year, to meet with two cases more or less closely related to the class of cases contained in Dr Noeggerath's pamphlet, my mind was specially directed to the subject, and I have been led to think the question discussed in that paper of s...

O.Polasek, I.Kolcic, B.Kolaric and I.Rudan Department of Medical Statistics, Epidemiology and Medical Informatics, ‘Andrija Stampar’ School of Public Health, Medical School, University of Zagreb, Rockefellerova 4, 10 000 Zagreb, Croatia, Department of Public Health Sciences, University of Edinburgh Medical School, Teviot Place, Edinburgh EH8 9AG, UK and Croatian Institute of Public Health, Rock...