operational hypothesis
51Cognitive traps for intelligence analysis — This article deals with a subset of the intellectual process of intelligence analysis itself, as opposed to intelligence analysis management, which in turn is a subcomponent of intelligence cycle management. For a complete hierarchical list of… …
52Philosophy of science — is the study of assumptions, foundations, and implications of science. The field is defined by an interest in one of a set of traditional problems or an interest in central or foundational concerns in science. In addition to these central… …
53Perspectives on the abduction phenomenon — Various perspectives on the abduction phenomenon have formed in order to explain the fantastical claims some have made of being forcibly taken and examined by apparently otherworldly beings. The prime differences between these perspectives lie in …
54Neo-Piagetian theories of cognitive development — For more information, see Piaget s theory of cognitive development, Cognitive development and Intelligence. Psychology …
55Wind wave model — NOAA Wavewatch III 120 hour Forecast for the North Atlantic In fluid dynamics, wind wave modeling describes the effort to depict the sea state and predict the evolution of the energy of wind waves using numerical techniques. These simulations… …
56Sexual selection — This article is about the evolutionary concept. For the selection of the sex of offspring, see sex selection. Goldie s Bird of paradise: Ornamented male above; female below. Paradesia decora by John Gerrard Keulemans (d.1912) Sexual selection, a… …
57Critical period — This article is about a critical period in an organism s or person s development. See also America s Critical Period. In general, a critical period is a limited time in which an event can occur, usually to result in some kind of transformation. A …
58Media violence research — Research into the media and violence examines whether links between consuming media violence and subsequent aggressive and violent behavior exists. Although some social scientists support this link,[1] methodological and theoretical problems with …
59climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
60chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… …
