II-33d: Shares of Dissertations Spanning Two Humanities Disciplines Completed in Various Secondary Humanities Disciplines, by Primary Humanities Discipline,* 2011–2013

* Primary dissertation field is that reported by dissertation author. “Letters” encompasses English and American languages and literatures, as well as creative writing and comparative literature.
** Differs from the “other humanities” category used in standard Survey of Earned Doctorates publications in that it excludes philosophy, religion/religious studies, and Bible/biblical studies.
† Values for history and languages and literatures other than English have been suppressed to avoid disclosure of confidential information.

Source: National Science Foundation, National Center for Science and Engineering Statistics, Survey of Earned Doctorates (SED; a custom tabulation of SED data was prepared for the Humanities Indicators by NORC at the University of Chicago).

To determine the levels of interdisciplinary work among new doctoral recipients, staff at NORC at the University of Chicago drew on two items in the Survey of Earned Doctorates (SED). The first of these asked each new PhD to “choose the code that best describes the primary field of your dissertation.” The second item asked, “If your dissertation was interdisciplinary, list the name . . . of your secondary field.” (For a complete list of the field and discipline response options, see pages 6 and 7 of the 2012–2013 SED questionnaire).

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