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The Richter scale [1] (/ ˈ r ɪ k t ər /), also called the Richter magnitude scale, Richter's magnitude scale, and the Gutenberg–Richter scale, [2] is a measure of the strength of earthquakes, developed by Charles Richter in collaboration with Beno Gutenberg, and presented in Richter's landmark 1935 paper, where he called it the "magnitude scale". [3]
The Kinsey scale, also called the Heterosexual–Homosexual Rating Scale, [1] is used in research to describe a person's sexual orientation based on one's experience or response at a given time. The scale typically ranges from 0, meaning exclusively heterosexual, to a 6, meaning exclusively homosexual.
Robert David Putnam [a] (born January 9, 1941) is an American political scientist specializing in comparative politics. He is the Peter and Isabel Malkin Professor of Public Policy at the Harvard University John F. Kennedy School of Government .
A Roth IRA is an individual retirement account (IRA) under United States law that is generally not taxed upon distribution, provided certain conditions are met. The principal difference between Roth IRAs and most other tax-advantaged retirement plans is that rather than granting a tax reduction for contributions to the retirement plan, qualified withdrawals from the Roth IRA plan are tax-free ...
A Likert scale (/ ˈ l ɪ k ər t / LIK-ərt, [1] [note 1]) is a psychometric scale named after its inventor, American social psychologist Rensis Likert, [2] which is commonly used in research questionnaires.
The flight was commanded by Captain Robert Albin "Bob" Loft, aged 55, a veteran pilot ranked fiftieth in seniority at Eastern Air Lines. Loft had been with the airline for thirty-two years and had accumulated a total of 29,700 flight hours throughout his flying career.
A ship in a force 12 ("hurricane-force") storm at sea, the highest rated on the Beaufort scale. The Beaufort scale / ˈ b oʊ f ər t / is an empirical measure that relates wind speed to observed conditions at sea or on land. Its full name is the Beaufort wind force scale.
The geologic time scale, proportionally represented as a log-spiral with some major events in Earth's history. A megaannus (Ma) represents one million (10 6) years.. The geologic time scale or geological time scale (GTS) is a representation of time based on the rock record of Earth.