Knowledge Lost, Knowledge Gained

Integrating Knowledge Gained From Data Mining With Pedagogical Knowledge

Discovering knowledge from raw data is one of the goals of data mining. Yet, it is not always clear how this knowledge is used in educational computing systems and how exactly it is integrated with other knowledge like the pedagogy used. We present a case study where the use of the data mining results was initially described, to a large degree, at the implementation level, thus largely ignoring...

From Information Lost to Knowledge Gained: The Benefits of Analyzing all the Research Evidence

Caloric equivalents of gained or lost weight.

W HAT 15 the caloric equivalent of one pound of body weight, gained or lost ? To put the question in other words : How many cabnies in excess of the amount necessary to mriaintam caloric equilibrium will produce a gain of one pound of body weight ; conversely, what caloric deficit will determine a loss of one pound of body weight? It is strange that a marked diversity of opinion exists among au...

Medical Malpractice Mediation: Benefits Gained, Opportunities Lost

In the past decade, the United States healthcare system has begun to use mediation to facilitate communication between patients and physicians after an adverse medical event, to ease tensions among members of care-giving teams, to resolve medical malpractice claims, and to help family members and medical professionals make awesome and wrenching decisions at the end of life. Implementation of th...

Biological Invasions: Paradox Lost and Paradise Gained

A new study shows how an invasive snail species accrues elevated genetic variation for key life-history traits through multiple introductions and outcrossing to create genetically novel offspring. Furthermore, the invaders' offspring follow a unique life-history strategy that may enhance their ability to invade.