D-Index & Metrics Best Publications

Johannes Rojahn

George Mason University
United States

D-Index & Metrics D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.

Discipline name Citations Publications World Ranking National Ranking

Psychology D-index 35 Citations 5,520 99 World Ranking 7155 National Ranking 3990

Overview

What is he best known for?

The fields of study Johannes Rojahn is best known for:

Psychometrics
Mental illness
Item response theory

Much of his study explores Developmental psychology relationship to Test validity. As part of his studies on Clinical psychology, he often connects relevant subjects like Internal consistency. The study of Internal consistency is intertwined with the study of Clinical psychology in a number of ways. As part of his studies on Psychiatry, Johannes Rojahn often connects relevant areas like Schizophrenia (object-oriented programming). As part of his studies on Schizophrenia (object-oriented programming), he often connects relevant areas like Psychiatry. His Inter-rater reliability research extends to the thematically linked field of Rating scale. His Inter-rater reliability study frequently links to other fields, such as Rating scale. His Cognitive psychology study typically links adjacent topics like Checklist. Johannes Rojahn performs multidisciplinary study in Autism and Developmental disorder in his work.

His most cited work include:

None (428 citations)
The Nisonger CBRF: A child behavior rating form for children with developmental disabilities (315 citations)
Reliability and Validity of an Assessment Instrument for Anxiety, Depression, and Mood Among Individuals with Mental Retardation (212 citations)

What are the main themes of his work throughout his whole career to date

By researching both Developmental psychology and Cognitive psychology, Johannes Rojahn produces research that crosses academic boundaries. His research links Internal consistency with Clinical psychology. His Internal consistency study frequently involves adjacent topics like Clinical psychology. Psychiatry is often connected to Intellectual disability in his work. His study in Psychiatry extends to Intellectual disability with its themes. Johannes Rojahn conducts interdisciplinary study in the fields of Autism and Autism spectrum disorder through his research. In his works, Johannes Rojahn undertakes multidisciplinary study on Autism spectrum disorder and Autism. His work blends Psychometrics and Rating scale studies together. He conducts interdisciplinary study in the fields of Rating scale and Psychometrics through his works.

Johannes Rojahn most often published in these fields:

Developmental psychology (80.00%)
Clinical psychology (66.32%)
Psychiatry (49.47%)

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

The Behavior Problems Inventory: An Instrument for the Assessment of Self-Injury, Stereotyped Behavior, and Aggression/Destruction in Individuals with Developmental Disabilities.

Johannes Rojahn;Johnny L. Matson;Denise Lott;Anna J. Esbensen.
Journal of Autism and Developmental Disorders (2001)

612 Citations

The Nisonger CBRF: A Child Behavior Rating Form for Children with Developmental Disabilities.

Michael G. Aman;Marc J. Tassé;Johannes Rojahn;David Hammer.
Research in Developmental Disabilities (1996)

434 Citations

Reliability and validity of an assessment instrument for anxiety, depression, and mood among individuals with mental retardation.

Anna J. Esbensen;Johannes Rojahn;Michael G. Aman;Stephen Ruedrich.
Journal of Autism and Developmental Disorders (2003)

272 Citations

Self-injurious and stereotypic behavior of noninstitutionalized mentally retarded people: prevalence and classification.

Johannes Rojahn.
American journal of mental deficiency (1986)

218 Citations

Self-injurious behavior: Gene-brain-behavior relationships

Stephen R. Schroeder;Mary Lou Oster-Granite;Gershon Berkson;James W. Bodfish.
Mental Retardation and Developmental Disabilities Research Reviews (2001)

197 Citations

Relationships Between Psychiatric Conditions and Behavior Problems Among Adults With Mental Retardation

Johannes Rojahn;Johnny L. Matson;Jack A. Naglieri;Erik Mayville.
American Journal on Mental Retardation (2004)

190 Citations

Joint occurrence of depression and aggression in children and adults with mental retardation.

Steven Reiss;J. Rojahn.
Journal of Intellectual Disability Research (2008)

166 Citations

Gender Differences in Planning, Attention, Simultaneous, and Successive (PASS) Cognitive Processes and Achievement

Jack A. Naglieri;Johannes Rojahn.
Journal of Educational Psychology (2001)

164 Citations

The Nisonger Child Behavior Rating Form" Age and Gender Effects and Norms

Marc J. Tassé;Michael G. Aman;David Hammer;Johannes Rojahn.
Research in Developmental Disabilities (1996)