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30 Educational Attainment of Fathers of PhD's, by Birth Cohort, Compared with the Norms of Figure 29, 37 31 Comparison of Educational Attainment Spectra of Males and Females in General Population and Parents of PhD's, 38 32 Field Differences in Educational Level of Fathers of PhD's, 42 33 Field Differences in Educational Level of Mothers of PhD's, 43 34 A Tetrad Pattern: Educational Level of Fathers and Mothers of Male and Female PhD's (U.S. Native PhD's Only, 1963-1974), 45 35 Percentages of Non-U.S. Citizen PhD's by Field, 48 36 Age Distributions at Baccalaureate and Doctorate, 52 37 BA-to-PhD Time Lapse Percentiles: Chemistry, 56 38 Isochrons of BA-to-PhD Time Lapse: Chemistry, 56 39 BA-to-PhD Time Lapse Percentiles: Life Sciences, 57 40 Isochrons of BA-to-PhD Time Lapse: Life Sciences, 57 41 BA-to-PhD Time Lapse Percentiles: Education, 58 42 Isochrons of BA-to-PhD Time Lapse: Education, 58 43 Percentage of PhD's with Master's Degrees, 60 44 Ratio of Doctorate Degrees in Each Field to BA Degrees in that Field Held by PhD's of 1960-1974, 62 45 Relative Frequency of PhD Field as Discipline Destinations for Various BA Field Sources, 63 46 Relative Frequency of Various BA Source Fields, for Each PhD Field, 65 47 The Nine Census Regions of the United States, 68 48 Graph of Baccalaureate Regional "Donor" Percentages, 71 49 Graph of High School Regional "Donor" Percentages, 72 50 PhD Regional "Receptor" Percentages from Each Region of Baccalaureate, 73 51 PhD Regional "Receptor" Percentages from Each Region of Hiqh School, 74 52 Field Differences in Proportions of PhD's Planning Postdoctoral Study, 78 53 Post-PhD Plans for Employment in Business and Industry (2-Year Moving Average), 81 54 Plans for Postdoctoral Study, Employment, or Other Activity: EMP Fields, 88 55 Plans for Postdoctoral Study, Employment, or Other Activity: Life Sciences, 88 56 Plans for Postdoctoral Study, Employment, or Other Activity: Behavioral Sciences, 88 57 Plans for Postdoctoral Study, Employment, or Other Activity: the Nonscience Fields, 88 58 Growth in Numbers of PhD-Granting Institutions, 95 59 Proportions of 1920-1974 PhD's Granted by Institutional Groups, 96 60 Doctorates Granted by Institutional Groups, 97 61 Varying Institutional Shares in Doctorates Granted, 98 62 Doctorates Granted in Four Geographic Areas, 99 63 Diagrams of PhD Growth in Four Geographic Areas, 100 64 Graduate Student Recruitment Patterns in Two Time Periods, 115

OCR for page R1
Century of Doctorates DATA ANALYSES OF GROWTH AND CHANGE