The chart shows the distribution of publications by all Research.com ranked scientists in the field of Psychology in 2026. The highlighted bar marks where Joseph J. Ryan sits on this spectrum.
This scientist: 256 publications — 82nd percentile
82% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 705 publications or more.
The chart shows the D-index (discipline H-index) distribution of Psychology scientists ranked by Research.com in 2026. The highlighted bar marks where Joseph J. Ryan sits on this spectrum.
This scientist: 40 D-Index — 30th percentile
30% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 144 D-Index or more.
Joseph J. Ryan is affiliated with the University of Central Missouri in the United States. Their research spans primarily the fields of medicine and psychology, with a key focus on experimental and cognitive psychology, psychiatry and mental health, and clinical psychology. Additional areas of study include safety research and pulmonary and respiratory medicine.
The scientist's work covers several main topics, including dementia and cognitive impairment research, cognitive abilities and testing, cognitive functions and memory, child abuse and trauma, pharmaceutical studies and practices, respiratory and cough-related research, and multiple sclerosis research studies.
Joseph J. Ryan has published multiple papers over recent years. Some of the notable papers include:
Other papers in the broader dataset, although not authored by Ryan, indicate relevant research trends in their field:
Frequent co-authors collaborating with Ryan include:
The most common publication venues for Ryan's work are:
Joseph J. Ryan was recognized as a Fellow of the American Psychological Association (APA) in 1994, which reflects a notable standing within the psychological research community.
Joseph J. Ryan;Shane J. Lopez
Joseph E. Donnelly;Jerry L. Greene;Cheryl A. Gibson;Bryan K. Smith
Joseph J. Ryan;Summer D. Schnakenberg-Ott
Samuel J. Rosenberg;Joseph J. Ryan;Aurelio Prifitera
Joseph J Ryan;Jerome M Sattler;Shane J Lopez
Cheryl A Gibson;Bryan K Smith;Katrina D DuBose;J Leon Greene
Aurelio Prifitera;Joseph J. Ryan
G. E. Dunn;A. M. Paolo;Joseph J. Ryan;J. Van Fleet
Joseph J. Ryan;Anthony M. Paolo
Russell T. Joffe;Russell T. Joffe;Elizabeth N. Pearce;James V. Hennessey;Joseph J. Ryan
Joseph J. Ryan;L. Charles Ward
Bradley N Axelrod;Joseph J Ryan;L.Charles Ward
Joseph J. Ryan;Anthony M. Paolo;Terry M. Brungardt
Gary E. Dunn;Joseph J. Ryan;Cynthia E. Dunn
Anthony M. Paolo;Alexander I. Tröster;Joseph J. Ryan
Joseph J. Ryan;Michael E. Geisser;David M. Randall;Randy J. Georgemiller
Joseph J. Ryan;Christine A. Carruthers;Lori J. Miller;Gary T. Souheaver
J. J. Ryan;S. J. Rosenberg;W. Mittenberg
Joseph J. Ryan;Shane J. Lopez;Tamara R. Werth
Gary T. Souheaver;Joseph J. Ryan;Alan S. Dewolfe
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