Complex sentence: The document based question was first used for the 1973 AP United States History Exam published by the College Board, created as a joint effort between Development Committee members Reverend Giles Hayes and Stephen Klein.
Split into simpler sentences: The document based question was first used for the 1973 AP United States History Exam published by the College Board. It was the result of the joint efforts of Development Committee members Reverend Giles Hayes and Stephen Klein.