operational hypothesis
41Major depressive disorder — For other depressive disorders, see Mood disorder. Major Depressive Disorder Classification and external resources …
42Zermelo–Fraenkel set theory — Zermelo–Fraenkel set theory, with the axiom of choice, commonly abbreviated ZFC, is the standard form of axiomatic set theory and as such is the most common foundation of mathematics.ZFC consists of a single primitive ontological notion, that of… …
43Design management — is the business side of design. Design managers need to speak the language of the business and the language of design …
44human behaviour — Introduction the potential and expressed capacity for physical, mental, and social activity during the phases of human life. Human beings, like other animal species, have a typical life course that consists of successive phases of… …
45Douglas Engelbart — Douglas Carl Engelbart ( Doug ) …
46Allen Telescope Array — For other uses, see ATA. Allen Telescope Array ATA The Allen Telescope Array (ATA 42), October 11, 2007 …
47Tropical cyclone — Hurricane redirects here. For other uses, see Hurricane (disambiguation). Hurricane Isabel (2003) as seen from orbit during Expedition 7 of the International Space Station. The eye, eyewall and surrounding rainbands that are characteristics of… …
48Marketing research — Marketing Key concepts Product marketing · Pricing …
49Phoenix (spacecraft) — This article is about the Mars lander. For the Star Trek spacecraft, see Phoenix (Star Trek). For other uses, see Phoenix (disambiguation). Phoenix Mars Mission Artist s impression of the Phoenix spacecraft as it lands on Mars Operator NASA …
50Peter Whittle — Infobox Scientist name = Peter Whittle birth date = birth date and age|1927|02|27 birth place = Wellington, New Zealand death date = death place = residence = citizenship = nationality = ethnicity = field = work institutions = University of… …
