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 John O. Willis sits on this spectrum.
This scientist: 141 publications — 44th percentile
44% 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 John O. Willis sits on this spectrum.
This scientist: 59 D-Index — 68th percentile
68% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 144 D-Index or more.
John O. Willis is affiliated with Rivier University in the United States. Their research spans several fields, with a primary focus on social sciences, particularly education and clinical psychology.
Their work frequently addresses topics related to early childhood education and development, parental involvement in education, and child and adolescent psychosocial and emotional development.
Recent papers authored or co-authored by John O. Willis include:
John O. Willis has collaborated frequently with several co-authors. Notable frequent collaborators include Ahmed AlSayed, Ahmed Elsayed, Mostafa Khalil, Mohamed Sherif Zaghloul, and Farokh Laqa Kakar.
Their research has been published mainly in the following venues:
In addition to articles, John O. Willis has contributed to book publications, with a notable work titled "Evolution of TPAD Systems in the US" published by the Water Environment Federation in 2020.
Ron Dumont;John O. Willis;Kathleen Veizel;Jamie Zibulsky
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J. Hale;V. Alfonso;V. Berninger;B. Bracken
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Studying psychology in the USA opens the door to a wide array of rewarding careers, particularly in fields related to mental health and communication. One popular career pathway is speech-language pathology, which often requires both a graduate degree and state-specific certification.
Many students interested in this field choose to earn their degrees online, allowing flexibility while meeting academic and clinical requirements. However, it’s essential to be aware of the distinct licensure regulations in each state. For instance, the Vermont speech pathologist certification requirements include a master’s degree, clinical fellowship, and successful completion of national exams. Those planning to practice in Virginia should explore how to become a speech language pathologist in Virginia for state-specific steps and continuing education expectations.
Requirements differ across the country. For example, how to become a speech language pathologist in Washington includes supervised clinical experience, while how to become a speech language pathologist in West Virginia emphasizes board-approved programs and licensing exams. Prospective students should research state guidelines to ensure their degree path aligns with future goals.
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