Definition: A control variable is a variable that is held constant in a research analysis.The use of control variables is generally done to answer four basic kinds of questions: 1.Is an observed relationship between two variables just a statistical accident? 2.efinition: A control variable is a variable that is held constant in a research analysis.
How Many People Died At Pearl Harbor. Those who have read about American history are acquainted with Japanese attacking the US naval base located at Pearl Harbor on 7th December 1941. The Americans were attacked unaware, without any warning by Japan. This resulted in loss of lives of 2,402 Americans and left around 1282 people injured.
Of 127,000 Japanese Americans living in the continental United States at the time of the Pearl Harbor attack, 112,000 resided on the West Coast.About 80,000 were nisei (literal translation: second generation; American-born Japanese with U.S. citizenship) and sansei (third generation; the children of Nisei).f 127,000 Japanese Americans living in the continental United States at the time of the Pearl Harbor attack, 112,000 resided on the West Coast.