2026 Robert DeKeyser: Social Sciences and Humanities Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Social Sciences and Humanities	41	4878	4519	2315	2107	99	14775

Robert DeKeyser 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 Robert DeKeyser sits on this spectrum.

44 publications 570+

This scientist: 99 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.

Robert DeKeyser 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 Robert DeKeyser sits on this spectrum.

30 D-Index 100+

This scientist: 41 D-Index — 38th percentile

38% of scientists in this discipline score the same or lower.

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

Overview

Robert DeKeyser is affiliated with the University of Maryland, College Park in the United States. Their research primarily focuses on areas related to language acquisition, psychology, and linguistics, as evidenced by their extensive publication record and areas of study.

The main fields of study for DeKeyser include:

Psychology
Arts and Humanities

Within these fields, the subfields of study they engage with are:

Developmental and Educational Psychology
Language and Linguistics
Literature and Literary Theory
Cognitive Neuroscience
Experimental and Cognitive Psychology

Their work spans several main topics, focusing strongly on language teaching and learning. These include:

EFL/ESL Teaching and Learning
Second Language Acquisition and Learning
Reading and Literacy Development
Second Language Learning and Teaching
Neurobiology of Language and Bilingualism
Phonetics and Phonology Research
Text Readability and Simplification

DeKeyser has published numerous papers across several scholarly venues. The frequent publication venues include:

Studies in Second Language Acquisition
System
Frontiers in Communication
IRAL - International Review of Applied Linguistics in Language Teaching
Modern Language Journal

Selected recent publications by DeKeyser and their collaborators are:

EVEN IN THE BEST-CASE SCENARIO L2 LEARNERS HAVE PERSISTENT DIFFICULTY PERCEIVING AND UTILIZING TONES IN MANDARIN, 2020, Studies in Second Language Acquisition
IMPLICIT LANGUAGE APTITUDE: CONCEPTUALIZING THE CONSTRUCT, VALIDATING THE MEASURES, AND EXAMINING THE EVIDENCE, 2021, Studies in Second Language Acquisition
Advanced Second Language Learners of Mandarin Show Persistent Deficits for Lexical Tone Encoding in Picture-to-Word Form Matching, 2021, Frontiers in Communication
Incidental learning of semantically transparent and opaque Chinese compounds from reading: An eye-tracking approach, 2022, System
Scrutinizing LLAMA D as a measure of implicit learning aptitude, 2023, Studies in Second Language Acquisition

Their frequent collaborators reflect a multidisciplinary network, including:

Wei Yi
Eric Pelzl
Ellen Lau
Taomei Guo
Shaofeng Li

Best Publications

The Robustness of Critical Period Effects in Second Language Acquisition.

Robert M. DeKeyser

1813
Citations
Skill Acquisition Theory

Robert DeKeyser

1044
Citations
Learning Second Language Grammar Rules: An Experiment with a Miniature Linguistic System.

Robert M. DeKeyser

932
Citations
Implicit and Explicit Learning

Unknown

909
Citations
WHAT MAKES LEARNING SECOND-LANGUAGE GRAMMAR DIFFICULT? AREVIEW OF ISSUES

Robert M. DeKeyser

872
Citations
BEYOND EXPLICIT RULE LEARNING: Automatizing Second Language Morphosyntax

Robert M. DeKeyser

837
Citations
Practice in a Second Language: Perspectives from Applied Linguistics and Cognitive Psychology

Robert M. DeKeyser

808
Citations
Explaining the “Natural Order of L2 Morpheme Acquisition” in English: A Meta-analysis of Multiple Determinants

Jennifer M. Goldschneider;Robert M. DeKeyser

752
Citations
What does the Critical Period really mean

Robert DeKeyser;Jenifer Larson-Hall

551
Citations
The effect of error correction on L2 grammar knowledge and oral proficiency

Robert M. Dekeyser

510
Citations
The differential role of comprehension and production practice

Robert M. DeKeyser;Karl J. Sokalski

428
Citations
Cross-Linguistic Evidence for the Nature of Age Effects in Second Language Acquisition.

Robert Dekeyser;Iris Alfi-Shabtay;Dorit Ravid

421
Citations
Cognitive‐Psychological Processes in Second Language Learning

Robert M. DeKeyser

296
Citations
Monitoring Processes in Spanish as a Second Language During a Study Abroad Program

Robert M. DeKeyser

286
Citations
Age Effects in Second Language Learning: Stepping Stones Toward Better Understanding

Robert M. DeKeyser

275
Citations
Practice in a Second Language: List of contributors

Unknown

240
Citations
What Gets Processed in Processing Instruction? A Commentary on Bill VanPatten’s “Processing Instruction: An Update”

Robert DeKeyser;Rafael Salaberry;Peter Robinson;Michael Harrington

206
Citations
Practice in a Second Language: Introduction: Situating the concept of practice

Unknown

201
Citations
Practice in a Second Language: Study abroad as foreign language practice

Unknown

200
Citations
Bridging the Gap: Cognitive and Social Approaches to Research in Second Language Learning and Teaching.

Jan H. Hulstijn;Richard F. Young;Lourdes Ortega;Martha Bigelow

199
Citations
Interactions Between Individual Differences, Treatments, and Structures in SLA

Robert DeKeyser

173
Citations
The Interface of Explicit and Implicit Knowledge in a Second Language: Insights From Individual Differences in Cognitive Aptitudes

Yuichi Suzuki;Robert DeKeyser

172
Citations
Comparing Elicited Imitation and Word Monitoring as Measures of Implicit Knowledge.

Yuichi Suzuki;Robert DeKeyser

157
Citations
Knowledge and Skill in ISLA

Robert DeKeyser

150
Citations

Frequent Co-Authors

Dorit Ravid Tel Aviv University

Jan H. Hulstijn University of Amsterdam

Alison Mackey Georgetown University

Lourdes Ortega Georgetown University

Peter Robinson Aoyama Gakuin University

James P. Lantolf Pennsylvania State University

Nick C. Ellis University of Michigan–Ann Arbor

Richard Young University of Wisconsin–Madison

External Links

Personal website of Robert DeKeyser

If you think any of the details on this page are incorrect, let us know.

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