World's Best Scientists 2026 revealed!

D-Index & Metrics

Social Sciences and Humanities

D-Index
32
Citations
12611
World Ranking
7178
National Ranking
3485

Richard M. Clifford publication distribution in Social Sciences and Humanities in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Social Sciences and Humanities in 2026. The highlighted bar marks where Richard M. Clifford sits on this spectrum.

44–53 publications: 28 scientists 54–63 publications: 61 scientists 64–73 publications: 161 scientists 74–83 publications: 225 scientists 84–93 publications: 301 scientists 94–103 publications: 390 scientists 104–113 publications: 406 scientists 114–123 publications: 474 scientists 124–133 publications: 453 scientists 134–143 publications: 434 scientists 144–153 publications: 407 scientists 154–163 publications: 411 scientists 164–173 publications: 391 scientists 174–183 publications: 313 scientists 184–193 publications: 319 scientists 194–203 publications: 304 scientists 204–213 publications: 285 scientists 214–223 publications: 246 scientists 224–233 publications: 213 scientists 234–243 publications: 170 scientists 244–253 publications: 167 scientists 254–263 publications: 162 scientists 264–273 publications: 138 scientists 274–283 publications: 138 scientists 284–293 publications: 113 scientists 294–303 publications: 106 scientists 304–313 publications: 95 scientists 314–323 publications: 101 scientists 324–333 publications: 81 scientists 334–343 publications: 69 scientists 344–353 publications: 56 scientists 354–363 publications: 36 scientists 364–373 publications: 42 scientists 374–383 publications: 41 scientists 384–393 publications: 44 scientists 394–403 publications: 27 scientists 404–413 publications: 30 scientists 414–423 publications: 20 scientists 424–433 publications: 29 scientists 434–443 publications: 29 scientists 444–453 publications: 25 scientists 454–463 publications: 19 scientists 464–473 publications: 21 scientists 474–483 publications: 11 scientists 484–493 publications: 17 scientists 494–503 publications: 7 scientists 504–513 publications: 6 scientists 514–523 publications: 12 scientists 524–533 publications: 10 scientists 534–543 publications: 7 scientists 544–553 publications: 6 scientists 554–563 publications: 12 scientists 564–569 publications: 8 scientists 570+ publications: 100 scientists
44 publications 570+

This scientist: 77 publications — 4th percentile

4% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 570 publications or more.

Richard M. Clifford D-index placement in Social Sciences and Humanities in 2026

The chart shows the D-index (discipline H-index) distribution of Social Sciences and Humanities scientists ranked by Research.com in 2026. The highlighted bar marks where Richard M. Clifford sits on this spectrum.

30 D-Index: 177 scientists 31 D-Index: 210 scientists 32 D-Index: 222 scientists 33 D-Index: 188 scientists 34 D-Index: 181 scientists 35 D-Index: 243 scientists 36 D-Index: 261 scientists 37 D-Index: 272 scientists 38 D-Index: 278 scientists 39 D-Index: 300 scientists 40 D-Index: 297 scientists 41 D-Index: 308 scientists 42 D-Index: 313 scientists 43 D-Index: 300 scientists 44 D-Index: 269 scientists 45 D-Index: 260 scientists 46 D-Index: 228 scientists 47 D-Index: 251 scientists 48 D-Index: 203 scientists 49 D-Index: 186 scientists 50 D-Index: 187 scientists 51 D-Index: 166 scientists 52 D-Index: 138 scientists 53 D-Index: 141 scientists 54 D-Index: 131 scientists 55 D-Index: 137 scientists 56 D-Index: 109 scientists 57 D-Index: 129 scientists 58 D-Index: 95 scientists 59 D-Index: 105 scientists 60 D-Index: 106 scientists 61 D-Index: 86 scientists 62 D-Index: 94 scientists 63 D-Index: 77 scientists 64 D-Index: 79 scientists 65 D-Index: 59 scientists 66 D-Index: 68 scientists 67 D-Index: 51 scientists 68 D-Index: 49 scientists 69 D-Index: 40 scientists 70 D-Index: 43 scientists 71 D-Index: 40 scientists 72 D-Index: 50 scientists 73 D-Index: 46 scientists 74 D-Index: 43 scientists 75 D-Index: 45 scientists 76 D-Index: 45 scientists 77 D-Index: 30 scientists 78 D-Index: 25 scientists 79 D-Index: 31 scientists 80 D-Index: 29 scientists 81 D-Index: 18 scientists 82 D-Index: 21 scientists 83 D-Index: 26 scientists 84 D-Index: 15 scientists 85 D-Index: 15 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 12 scientists 89 D-Index: 7 scientists 90 D-Index: 19 scientists 91 D-Index: 20 scientists 92 D-Index: 13 scientists 93 D-Index: 9 scientists 94 D-Index: 13 scientists 95 D-Index: 8 scientists 96 D-Index: 7 scientists 97 D-Index: 6 scientists 98 D-Index: 6 scientists 99 D-Index: 6 scientists 100+ D-Index: 97 scientists
30 D-Index 100+

This scientist: 32 D-Index — 8th percentile

8% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 100 D-Index or more.

Best Publications

  • Ready to learn? Children's pre-academic achievement in pre-Kindergarten programs

    Carollee Howes;Margaret Burchinal;Robert Pianta;Donna Bryant

  • Teachers' Education, Classroom Quality, and Young Children's Academic Skills: Results From Seven Studies of Preschool Programs

    Diane M. Early;Kelly L. Maxwell;Margaret Burchinal;Soumya Alva

  • Features of Pre-Kindergarten Programs, Classrooms, and Teachers: Do They Predict Observed Classroom Quality and Child-Teacher Interactions?

    Robert Pianta;Carollee Howes;Margaret Burchinal;Donna Bryant

  • Early Childhood Environment Rating Scale. Revised Edition.

    Thelma Harms;Richard M. Clifford;Debby Cryer

  • Predicting Child Outcomes at the End of Kindergarten from the Quality of Pre-Kindergarten Teacher–Child Interactions and Instruction

    Margaret Burchinal;Carollee Howes;Robert Pianta;Donna Bryant

  • Caregiver Training and Classroom Quality in Child Care Centers

    Margaret R. Burchinal;Debby Cryer;Richard M. Clifford;Carollee Howes

  • Are teachers’ education, major, and credentials related to classroom quality and children's academic gains in pre-kindergarten?

    Diane M. Early;Donna M. Bryant;Robert C. Pianta;Richard M. Clifford

  • Observed classroom quality profiles in state-funded pre-kindergarten programs and associations with teacher, program, and classroom characteristics

    Jennifer LoCasale-Crouch;Tim Konold;Robert Pianta;Carollee Howes

  • How do pre-kindergarteners spend their time? Gender, ethnicity, and income as predictors of experiences in pre-kindergarten classrooms

    Diane M. Early;Iheoma U. Iruka;Sharon Ritchie;Oscar A. Barbarin

  • Children's classroom engagement and school readiness gains in prekindergarten.

    Nina C. Chien;Carollee Howes;Margaret Burchinal;Robert C. Pianta

  • The Relations of Observed Pre-K Classroom Quality Profiles to Children's Achievement and Social Competence

    Timothy W. Curby;Jennifer LoCasale-Crouch;Timothy R. Konold;Robert C. Pianta

  • Children's Social and Cognitive Development and Child-Care Quality: Testing for Differential Associations Related to Poverty, Gender, or Ethnicity

    Margaret R. Burchinal;Ellen Peisner-Feinberg;Donna M. Bryant;Richard Clifford

  • Quality in Kindergarten Classrooms: Observational Evidence for the Need to Increase Children's Learning Opportunities in Early Education Classrooms

    Karen M. La Paro;Bridget K. Hamre;Jennifer Locasale-Crouch;Robert C. Pianta

  • Demographic Characteristics of Early Childhood Teachers and Structural Elements of Early Care and Education in the United States.

    Gitanjali Saluja;Diane M. Early;Richard M. Clifford

  • What Is Pre-Kindergarten? Characteristics of Public Pre-Kindergarten Programs.

    Richard M. Clifford;Oscar Barbarin;Florence Chang;Diane Early

  • Spanish-Speaking Children's Social and Language Development in Pre-Kindergarten Classrooms

    Florence Chang;Gisele Crawford;Diane Early;Donna Bryant

  • Parental Conceptions of School Readiness: Relation to Ethnicity, Socioeconomic Status, and Children's Skills

    Oscar A. Barbarin;Diane Early;Richard Clifford;Donna Bryant

  • Best Practices for Beginners: Developmental Appropriateness in Kindergarten

    Donna M. Bryant;Richard M. Clifford;Ellen S. Peisner

  • The Children of the Cost, Quality, and Outcomes Study Go to School. Technical Report.

    Ellen. S. Peisner-Feinberg;Margaret R. Burchinal;Richard M. Clifford;Noreen Yazejian

  • Children Enrolled in Public Pre‐K: The Relation of Family Life, Neighborhood Quality, and Socioeconomic Resources to Early Competence

    Oscar Barbarin;Donna Bryant;Terry McCandies;Margaret Burchinal

Frequent Co-Authors

Donna M. Bryant
Donna M. Bryant University of North Carolina at Chapel Hill
Margaret Burchinal
Margaret Burchinal University of North Carolina at Chapel Hill
Carollee Howes
Carollee Howes University of California, Los Angeles
Robert C. Pianta
Robert C. Pianta University of Virginia
Oscar A. Barbarin
Oscar A. Barbarin University of Maryland, College Park
Donald B. Bailey
Donald B. Bailey Research Triangle Park Foundation
Timothy R. Konold
Timothy R. Konold University of Virginia
Jonathan B. Kotch
Jonathan B. Kotch University of North Carolina at Chapel Hill
Sharon Lynn Kagan
Sharon Lynn Kagan Columbia University
Timothy W. Curby
Timothy W. Curby George Mason University

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