Epidemiologic Reviews, 20(1): 71-80. Data collection is the process of gathering and measuring information on variables of interest, in an established systematic fashion that enables one to answer stated research questions, test hypotheses, and evaluate outcomes.pidemiologic Reviews, 20(1): 71-80. Data collection is the process of gathering and measuring information on variables of interest, in an established systematic fashion that enables one to answer stated research questions, test hypotheses, and evaluate outcomes.
It succeeded the First Continental Congress, which met between September 5, 1774 and October 26, 1774, also in Philadelphia. The second Congress managed the colonial war effort, and moved incrementally towards independence, adopting the United States Declaration of Independence on July 4, 1776.
On April 19, 1775, the British regulars encountered a group of American militiamen at Lexington, and the first shots of the American Revolution were fired. More than a year later, on July 4, 1776, the Second Continental Congress officially adopted the Declaration of Independence.