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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Social Sciences and Humanities 39 5619 5215 2663 2425 100 7286

Keiko Koda publications per year

The chart shows the history of publications by Keiko Koda between 1988 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Keiko Koda published across 38 years, from 1988 to 2025, averaging 2.9 papers a year. Output peaked at 15 publications in 2005. 2 of the 111 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1988 to 2025. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 2005. 1988: 1 publication 1989: 2 publications 1990: 3 publications 1991: 0 publications 1992: 3 publications 1993: 2 publications 1994: 1 publication 1995: 2 publications 1996: 2 publications 1997: 0 publications 1998: 3 publications 1999: 1 publication 2000: 1 publication 2001: 0 publications 2002: 0 publications 2003: 3 publications 2004: 1 publication 2005: 15 publications 2006: 3 publications 2007: 4 publications 2008: 6 publications 2009: 0 publications 2010: 2 publications 2011: 7 publications 2012: 5 publications 2013: 4 publications 2014: 5 publications 2015: 1 publication 2016: 2 publications 2017: 4 publications 2018: 6 publications 2019: 6 publications 2020: 3 publications 2021: 7 publications 2022: 3 publications 2023: 1 publication 2024: 1 publication 2025: 1 publication
1988 2025

111 publications in total across all disciplines

View publications per year as a table
Keiko Koda: publications per year, 1988 to 2025
Year Publications
1988 1
1989 2
1990 3
1991 0
1992 3
1993 2
1994 1
1995 2
1996 2
1997 0
1998 3
1999 1
2000 1
2001 0
2002 0
2003 3
2004 1
2005 15
2006 3
2007 4
2008 6
2009 0
2010 2
2011 7
2012 5
2013 4
2014 5
2015 1
2016 2
2017 4
2018 6
2019 6
2020 3
2021 7
2022 3
2023 1
2024 1
2025 1
Total 111
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Keiko Koda 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 Keiko Koda sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 54 bars. Horizontal axis: publications, 44–53 to 570+. Vertical axis: number of scientists, 0 to 474. Most scientists, 474, have 114–123 publications. The last bar groups every scientist with 570 publications or more. The highlighted bar, 94–103 publications, is where this scientist sits. 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
44–53 publications 570+

This scientist: 100 publications — 13th percentile

13% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Social Sciences and Humanities scientists by publication count, Research.com 2026 ranking edition. Based on 7,777 ranked scientists.
Publications Scientists This scientist
44–53 28
54–63 61
64–73 161
74–83 225
84–93 301
94–103 390 100
104–113 406
114–123 474
124–133 453
134–143 434
144–153 407
154–163 411
164–173 391
174–183 313
184–193 319
194–203 304
204–213 285
214–223 246
224–233 213
234–243 170
244–253 167
254–263 162
264–273 138
274–283 138
284–293 113
294–303 106
304–313 95
314–323 101
324–333 81
334–343 69
344–353 56
354–363 36
364–373 42
374–383 41
384–393 44
394–403 27
404–413 30
414–423 20
424–433 29
434–443 29
444–453 25
454–463 19
464–473 21
474–483 11
484–493 17
494–503 7
504–513 6
514–523 12
524–533 10
534–543 7
544–553 6
554–563 12
564–569 8
570+ 100
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Keiko Koda 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 Keiko Koda sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 71 bars. Horizontal axis: D-Index, 30 to 100+. Vertical axis: number of scientists, 0 to 313. Most scientists, 313, have 42 D-Index. The last bar groups every scientist with 100 D-Index or more. The highlighted bar, 39 D-Index, is where this scientist sits. 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: 39 D-Index — 30th percentile

30% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Social Sciences and Humanities scientists by D-index, Research.com 2026 ranking edition. Based on 7,777 ranked scientists.
D-Index Scientists This scientist
30 177
31 210
32 222
33 188
34 181
35 243
36 261
37 272
38 278
39 300 39
40 297
41 308
42 313
43 300
44 269
45 260
46 228
47 251
48 203
49 186
50 187
51 166
52 138
53 141
54 131
55 137
56 109
57 129
58 95
59 105
60 106
61 86
62 94
63 77
64 79
65 59
66 68
67 51
68 49
69 40
70 43
71 40
72 50
73 46
74 43
75 45
76 45
77 30
78 25
79 31
80 29
81 18
82 21
83 26
84 15
85 15
86 19
87 19
88 12
89 7
90 19
91 20
92 13
93 9
94 13
95 8
96 7
97 6
98 6
99 6
100+ 97
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Overview

Keiko Koda is affiliated with Carnegie Mellon University in the United States. The main research field is psychology, with a strong focus on developmental and educational psychology. Their work also intersects with cognitive neuroscience, language and linguistics, education, and artificial intelligence.

The scientist's research centers around topics such as reading and literacy development, second language acquisition and learning, neurobiology of language and bilingualism, writing and handwriting education, EFL/ESL teaching and learning, language development and disorders, and natural language processing techniques.

Keiko Koda has published extensively in several scholarly venues. Frequent publication outlets include:

  • IRAL - International Review of Applied Linguistics in Language Teaching
  • Language Learning
  • Reading and Writing
  • Journal of Psycholinguistic Research
  • Applied Psycholinguistics

Recent papers authored or co-authored by Koda include:

  • Crosslinguistic Sharing of Morphological Awareness in Biliteracy Development: A Systematic Review and Meta-Analysis of Correlation Coefficients, 2020, Language Learning
  • Word-meaning inference in L2 Chinese: an interactive effect of learners' linguistic knowledge and words' semantic transparency, 2020, Reading and Writing
  • Cross-Linguistic Morphological Awareness in Chinese Heritage Language Reading Acquisition, 2020, Journal of Psycholinguistic Research
  • Transfer facilitation effects of morphological awareness on multicharacter word reading in Chinese as a foreign language, 2021, Applied Psycholinguistics
  • Early oral language in Chinese heritage language reading development, 2021, Foreign Language Annals

The collaboration network includes frequent co-authors:

  • Sihui Ke
  • Xuesong Gao
  • Sydney Jordens
  • Kathleen Bailey
  • Inge Bartning

Keiko Koda has also contributed a book published by Cambridge University Press titled Metalinguistic Awareness in Second Language Reading Development (2023).

Best Publications

  • Insights into second language reading : a cross-linguistic approach

    Keiko Koda

  • Reading and Language Learning: Crosslinguistic Constraints on Second Language Reading Development

    Keiko Koda

  • Alphabetic and nonalphabetic L1 effects in English word identification: a comparison of Korean and Chinese English L2 learners.

    Min Wang;Keiko Koda;Charles A Perfetti

  • Learning to Read Across Languages : Cross-Linguistic Relationships in First- and Second-Language Literacy Development

    Keiko Koda;Annette M. Zehler

  • L2 Word Recognition Research: A Critical Review.

    Keiko Koda

  • Insights into second language reading

    Keiko Koda

  • Cross-Linguistic Variations in L2 Morphological Awareness.

    Keiko Koda

  • The Effects of Transferred Vocabulary Knowledge on the Development of L2 Reading Proficiency

    Keiko Koda

  • Contribution of morphological awareness and lexical inferencing ability to L2 vocabulary knowledge and reading comprehension among advanced EFL learners: testing direct and indirect effects

    Dongbo Zhang;Keiko Koda

  • The development of word recognition in a second language

    D. Muljani;Keiko Koda;Danny R. Moates

  • The Use of L1 Reading Strategies in L2 Reading

    Keiko Koda

  • Influence of First Language Orthographic Experience on Second Language Decoding and Word Learning

    Megumi Hamada;Keiko Koda

  • Second language reading research: Problems and possibilities

    Keiko Koda

  • Development of L2 Intraword Orthographic Sensitivity and Decoding Skills.

    Keiko Koda

  • The integrated performance assessment (IPA):: Connecting assessment to instruction and learning.

    Bonnie Adair-Hauck;Eileen W. Glisan;Keiko Koda;Elvira B. Swender

  • Commonalities and Differences in Word Identification Skills Among Learners of English as a Second Language

    Min Wang;Keiko Koda

  • Morphological awareness and reading comprehension in a foreign language: A study of young Chinese EFL learners

    Dongbo Zhang;Keiko Koda

  • Cognitive process in second language reading: transfer of L1 reading skills and strategies:

    Keiko Koda

  • The Effects of Lower-Level Processing Skills on FL Reading Performance: Implications for Instruction.

    Keiko Koda

  • Development of Literacy.

    Nonie K. Lesaux;Keiko Koda;Linda Siegel;Timothy Shanahan

  • Insights into Second Language Reading: Comprehension instruction

    Unknown

Frequent Co-Authors

Min Wang
Min Wang Qingdao University
Charles A. Perfetti
Charles A. Perfetti University of Pittsburgh
Peter Mitchell
Peter Mitchell University of Nottingham
R. Malatesha Joshi
R. Malatesha Joshi Texas A&M University

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