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.
Weakness Of The Articles Of Confederation. The Articles of Confederation was drafted in 1777 and signed in 1781 by thirteen states. It was an initial declaration of an independent United States. It laid down specific guidelines and procedures about various rules and procedures that were to be followed after Independence.