William J. Helsel

Development of a rating scale to measure social skills in children: The matson evaluation of social skills with youngsters (MESSY)

Johnny L. Matson, Anthony F. Rotatori, William J. Helsel · Behaviour Research and Therapy · 1983 · 394 citations

Education, Educational Assessment, Psychology +16

Fears in children and adolescents: normative data

Thomas H. Ollendick, Johnny L. Matson, William J. Helsel · Behaviour Research and Therapy · 1985 · 241 citations

Social Sciences, Behavioral Sciences, Psychology +11

The assessment of depression in children: The internal structure of the child depression inventory (CDI)

William J. Helsel, Johnny L. Matson · Behaviour Research and Therapy · 1984 · 220 citations

Social Sciences, Psychiatry, Psychology +14

The aberrant behavior checklist with children and adolescents with dual diagnosis

Johannes Rojahn, William J. Helsel · Journal of Autism and Developmental Disorders · 1991 · 89 citations

Medicine, Pediatrics, Psychology +14

Psychometric properties of the Matson Evaluation of Social Skills with Youngsters (MESSY) with emotional problems and self concept in deaf children

Johnny L. Matson, Georgia F. Macklin, William J. Helsel · Journal of Behavior Therapy and Experimental Psychiatry · 1985 · 70 citations

Education, Educational Psychology, Psychology +15