edTPA, the new "performance-based" assessment tool and career-entry test that measures teacher preparation, is "fully operational" and ready for nationwide use after a two-year field test in about two dozen states, American Association of Colleges of Teacher Education officials said Friday . The assessment , which has drawn criticism  from some educators who say it could override authority of teacher programs and faculty, uses new and purportedly more valid tools, including videotapes and and evidence of student work and learning to determine whether a teacher is prepared to run a classroom from day one. Currently, preparation is measured in part via a multiple-choice test of basic skills and subject matter. Only about 58 percent of the 12,000 prospective teachers who attempted edTPA during the field test would have passed. AACTE notes in a report that factors including a lack of consequence for test-takers and lack of support systems or appropriate coursework among teacher programs, which will presumably improve as more institutions use the assessment.