f submitted (and usually published) research.Recent years have seen the introduction of professional doctorates, most notably in the fields of engineering (Eng.D.), education (Ed.D.), clinical psychology (D.Clin.Psych.),public administration (D.P.A.), business administration (D.B.A.), and music (D.M.A.). These typically have a more formal taught component consisting of smaller research projects, as well as a 40,000-60,000 word thesis component, which collectively is equivalent to that of a Ph.D. degree.එක්සත් ජනපදය[සංස්කරණය]Overview[සංස්කරණය]වැඩිදුර තොරතුරු: Doctorate § United StatesIn the United States, the Ph.D. degree is the highest academic degree awarded by universities in most fields of study. The Ph.D. degree is often misunderstood to be synonymous with the term doctorate. While the Ph.D. degree is the most common doctorate, the term doctorate can refer to any number of doctoral degrees in the United States.  The U.S. Department of Education and the National Science Founda