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.
U.S. declares independence. In Philadelphia, Pennsylvania, the Continental Congress adopts the Declaration of Independence, which proclaims the independence of the United States of America from Great Britain and its king.ohn Adams and Thomas Jefferson, the second and third presidents of the United States, respectively, die on this day, the 50th anniversary of the adoption of the Declaration of Independence. Both men had been central in the drafting of the historic document; Jefferson had authored it, and Adams, who was...