Assertion: degree | /r/HasProperty | master of arts m.a.
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text: Most standard academic programs are based on the four-year bachelor's degree, most often Bachelor of Arts (B.A.) or Bachelor of Science (B.S.), a one- or two-year master's degree (most often Master of Arts (M.A.) or Master of Science (M.S.); either of these programs might be as long as three years in length) and a further two to five years of coursework and research, culminating in "comprehensive" examinations in one or more fields, plus perhaps some teaching experience and then the writing of a dissertation for the doctorate, for a total of ten or more years from starting the bachelor's degree (which is usually begun around age 18) to the awarding of the doctorate.