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Observing the air traffic in Rõuge, Estonia. Observation in the natural sciences [1] is an act or instance of noticing or perceiving [2] and the acquisition of information from a primary source.
A data point or observation is a set of one or more measurements on a single member of the unit of observation. For example, in a study of the determinants of money demand with the unit of observation being the individual, a data point might be the values of income, wealth, age of individual, and number of dependents.
A study conducted in 2001 determined that Tangkuban Perahu had erupted at least 30 times in the previous 40,750 years. Studies of the tephra layers within three kilometres of the crater revealed that 21 were minor eruptions and the remaining were significant eruptions.
Medical observation is a medical service aimed at continued care of selected patients, usually for a period of 6 to 24 (sometimes more) hours, to determine their need for inpatient admission.
Charity Adams Earley (née Adams; December 5, 1918 – January 13, 2002) was a United States Army officer. She was the first African-American woman to become an officer in the Women's Army Auxiliary Corps (later WACs) and was the commanding officer of the 6888th Central Postal Directory Battalion, which was made up of African-American women serving overseas during World War II.
Isabel Adams Hampton Robb (1859–1910) was an American nurse theorist, author, nursing school administrator and early leader.Hampton was the first Superintendent of Nurses at the Johns Hopkins School of Nursing, wrote several influential textbooks, and helped to found the organizations that became known as the National League for Nursing, the International Council of Nurses, and the American ...