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Under the umbrella

The inclusion of Internet Gaming Disorder as a preliminary diagnosis subsumed in Section III of the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) has provoked mixed reactions. On the one hand, it has been appreciated as an important sign stressing the negative health-related impact of that disorder. Likewise, the definition of diagnostic criteria helps scien...

Medical training and care under the rainbow umbrella.

Umbrella sampling

The calculation of free-energy differences is one of the main challenges in computational biology and biochemistry. Umbrella sampling, biased molecular dynamics (MD), is one of the methods that provide free energy along a reaction coordinate. Here, the method is derived in a historic overview and is compared with related methods like thermodynamic integration, slow growth, steered MD, or the Ja...

An Umbrella Named Action Research

Action research is a means for creating meaning and promoting understanding of complex social situations, and improving the quality of human interactions and performance in those situations. Action research is one of the words that can be heard now frequently in the educational cycle, but there are several definitions for it. Literature review shows that several writers have referred to this co...

An Introduction to Umbrella Reviews

سخن سردبیر Editorial مجله دانشگاه علوم پزشکی رفسنجان دوره هجدهم، مهر 1398، 622-621     درآمدی بر مرور چتری An Introduction to Umbrella Reviews   محسن رضائیان[1]   M. Rezaeian   آیونیدیس (Ioannidis) در سال 2009 میلادی توضیح روشنی از مرور چتری (Umbrella review) ارائه کرده است. وی توضیح می‌دهد که یک مرور چتری به طور نظام‌مند به جمع‌بندی و ارزشیابی نتایج حاصل از چندین مرور نظام‌مند و ی...