1 the use of a variety of data sources (data triangulation) 2  the use of several different researchers (investigator triangulation) 3  the use of multiple perspectives to interpret the results (theory triangulation)  the use of multiple methods to study a research problem (methodological triangulation)
The Articles of Confederation was the United States' first constitution. Proposed by the Continental Congress in 1777, it was not ratified until 1781.
The Articles of Confederation were written in 1776 to establish a  framework for the collaboration of the 13 American colonies that  were fighting for their freedom from Bri â¦ tain, but was not passed  until 1781.A unified government (the United States) was seen as  preferable in limited respects.he Articles created a league of free and independent states with a limited national government. In 1776, they represented the first agreement among the separate colonies to b â¦ ecome a union of states. Daijah Darcueil. 11 Contributions.