Roy Lachman

2.7k total citations · 1 hit paper
47 papers, 2.0k citations indexed

About

Roy Lachman is a scholar working on Developmental and Educational Psychology, Artificial Intelligence and Experimental and Cognitive Psychology. According to data from OpenAlex, Roy Lachman has authored 47 papers receiving a total of 2.0k indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Developmental and Educational Psychology, 12 papers in Artificial Intelligence and 11 papers in Experimental and Cognitive Psychology. Recurrent topics in Roy Lachman's work include Visual and Cognitive Learning Processes (6 papers), Speech and dialogue systems (5 papers) and Advanced Text Analysis Techniques (5 papers). Roy Lachman is often cited by papers focused on Visual and Cognitive Learning Processes (6 papers), Speech and dialogue systems (5 papers) and Advanced Text Analysis Techniques (5 papers). Roy Lachman collaborates with scholars based in United States, Australia and New Zealand. Roy Lachman's co-authors include Janet L. Lachman, D. James Dooling, Earl C. Butterfield, Carroll Thronesbery, Deborah Hennrikus, Juliet Popper Shaffer, William J. Bonk, Erwin M. Segal, Kenneth R. Laughery and Maurice M. Tatsuoka and has published in prestigious journals such as Science, Psychological Bulletin and Psychological Review.

In The Last Decade

Roy Lachman

47 papers receiving 1.7k citations

Hit Papers

Cognitive Psychology and Information Processing: An Intro... 1979 2026 1994 2010 1979 100 200 300 400
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Cognitive Psychology and Information Processing: An Introduction
    1979 433 citations Roy Lachman, Janet L. Lachman et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Roy Lachman United States 19 835 752 518 320 244 47 2.0k
Francis S. Bellezza United States 24 857 1.0× 494 0.7× 507 1.0× 325 1.0× 227 0.9× 74 1.7k
Peter H. Lindsay Canada 20 1.3k 1.5× 418 0.6× 427 0.8× 243 0.8× 107 0.4× 40 2.4k
R. N. Sykes United Kingdom 13 1.5k 1.8× 849 1.1× 760 1.5× 254 0.8× 144 0.6× 21 2.4k
Kenneth Mark Colby United States 21 730 0.9× 558 0.7× 483 0.9× 796 2.5× 204 0.8× 63 2.6k
Eugene B. Zechmeister United States 21 1.6k 1.9× 1.2k 1.6× 789 1.5× 521 1.6× 145 0.6× 48 2.9k
Roger L. Dominowski United States 18 551 0.7× 613 0.8× 593 1.1× 323 1.0× 90 0.4× 41 1.6k
Norman J. Slamecka Canada 20 1.8k 2.2× 1.1k 1.5× 817 1.6× 661 2.1× 122 0.5× 46 2.8k
Edward S. Reed United States 20 1.2k 1.4× 515 0.7× 396 0.8× 120 0.4× 322 1.3× 60 2.4k
Earl C. Butterfield United States 25 582 0.7× 1.1k 1.5× 444 0.9× 233 0.7× 110 0.5× 63 2.3k
Edward H. Matthei United States 7 1.2k 1.4× 800 1.1× 726 1.4× 294 0.9× 97 0.4× 11 2.0k

Countries citing papers authored by Roy Lachman

Since Specialization
Citations

This map shows the geographic impact of Roy Lachman's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Roy Lachman with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Roy Lachman more than expected).

Fields of papers citing papers by Roy Lachman

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Roy Lachman. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Roy Lachman. The network helps show where Roy Lachman may publish in the future.

Co-authorship network of co-authors of Roy Lachman

This figure shows the co-authorship network connecting the top 25 collaborators of Roy Lachman. A scholar is included among the top collaborators of Roy Lachman based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Roy Lachman. Roy Lachman is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Gregg, Chris E., B. F. Houghton, Douglas Paton, et al.. (2008). Hawaiian cultural influences on support for lava flow hazard mitigation measures during the January 1960 eruption of Kīlauea volcano, Kapoho, Hawai‘i. Journal of Volcanology and Geothermal Research. 172(3-4). 300–307. 18 indexed citations
2.
Paton, Douglas, Chris E. Gregg, B. F. Houghton, et al.. (2007). The impact of the 2004 tsunami on coastal Thai communities: assessing adaptive capacity. Disasters. 32(1). 106–119. 39 indexed citations
3.
Lachman, Roy. (1998). AI, Decision Science, and Psychological Theory in Decisions about People: A Case Study in Jury Selection. AI Magazine. 19(1). 111–129. 1 indexed citations
4.
Lachman, Roy & Mary J. Naus. (1984). The episodic/semantic continuum in an evolved machine. Behavioral and Brain Sciences. 7(2). 244–246. 7 indexed citations
5.
Lachman, Roy & Janet L. Lachman. (1982). Memory representations in animals: Some metatheoretical issues. Behavioral and Brain Sciences. 5(3). 380–381. 4 indexed citations
6.
Lachman, Roy, et al.. (1980). Object salience and code separation in picture naming. Bulletin of the Psychonomic Society. 16(3). 187–190. 7 indexed citations
7.
Lachman, Janet L., Roy Lachman, & Carroll Thronesbery. (1979). Metamemory through the adult life span.. Developmental Psychology. 15(5). 543–551. 63 indexed citations
8.
Lachman, Roy, et al.. (1976). Dominance lexicale chez les bilingues. Bulletin de psychologie. 29(325). 281–288. 2 indexed citations
9.
Lachman, Roy, Juliet Popper Shaffer, & Deborah Hennrikus. (1974). Language and cognition: Effects of stimulus codability, name-word frequency, and age of acquisition on lexical reaction time. Journal of Verbal Learning and Verbal Behavior. 13(6). 613–625. 156 indexed citations
10.
Lachman, Roy & Kenneth R. Laughery. (1968). Is a test trial a training trial in free recall learning?. Journal of Experimental Psychology. 76(1, Pt.1). 40–50. 53 indexed citations
11.
Lachman, Roy, et al.. (1967). Surrogate processes in the short-term retention of connected discourse.. Journal of Experimental Psychology. 75(2). 143–150. 71 indexed citations
12.
Lachman, Roy, et al.. (1966). Information transmission (I) in recognition and recall as a function of alternatives (K).. Journal of Experimental Psychology. 72(6). 785–791. 3 indexed citations
13.
Lachman, Roy, et al.. (1966). Recognition and recall of high frequency words following serial learning. Psychonomic Science. 4(6). 225–226. 8 indexed citations
14.
Lachman, Roy, et al.. (1965). Approximations to English (AE) and short-term memory: Construction or storage?. Journal of Experimental Psychology. 70(4). 386–393. 19 indexed citations
15.
Lachman, Roy. (1964). Apparatus for Selective Learning Research with Low-Cost Teaching Machine Potential. Psychological Reports. 14(1). 59–62. 2 indexed citations
16.
Eisenberg, Leon, et al.. (1963). A psychopharmacologic experiment in a training school for delinquent boys: Methods, problems, findings.. American Journal of Orthopsychiatry. 33(3). 431–447. 88 indexed citations
17.
Lachman, Roy, Maurice M. Tatsuoka, & William J. Bonk. (1961). Human Behavior during the Tsunami of May 1960. Science. 133(3462). 1405–1409. 80 indexed citations
18.
Lachman, Roy. (1961). The influence of thirst and schedules of reinforcement-nonreinforcement ratios upon brightness discrimination.. Journal of Experimental Psychology. 62(1). 80–87. 11 indexed citations
19.
Lachman, Roy. (1960). The model in theory construction.. Psychological Review. 67(2). 113–129. 60 indexed citations
20.
Kendler, Howard H. & Roy Lachman. (1958). Habit reversal as a function of schedule of reinforcement and drive strength.. Journal of Experimental Psychology. 55(6). 584–591. 29 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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