The diagnostic criteria for autism spectrum disorder in the DSM-5-TR features the option to designate levels of support for social communication (SC) and restricted, repetitive behaviors (RRB). These levels are conceptual in nature, but research indicates standardized assessment outcomes correspond with clinician-assigned levels of support. The…

Researchers commonly estimate the prevalence of nativelikeness among second-language learners by assessing how many of them perform similarly to a sample of native speakers on one or several linguistic tasks. Even when the native (L1) samples and second-language (L2) samples are comparable in terms of age, socio-economic status, educational…

This review of studies of early onset schizophrenia examines the nosological similarity between adult and early onset schizophrenia, differential diagnosis, treatment, and the extent to which children and adolescents diagnosed as having schizophrenia using adult criteria have the characteristic adult correlates. The paper discusses gender…

This study attempted (1) to test the efficiency, simplicity, and experimental power of Paul Diederich's Method for measuring growth in writing ability, a method which allows for the cooperative evaluation of student writing using local criteria, and (2) to use this Method to measure both writing ability and grading consistency in a specific…

The type of ordering criteria which students use to organize conceptual information was investigated. It was concluded that the ordering criteria reflected knowledge of a specific domain and were a function of developmental level. This information can be used by teachers as a basis for grouping. (Author/MH)