The Clinical Evaluation of Language Fundamentals-Fourth Edition (CELF-4) is a standardized test designed to assess the presence of a language disorder or delay and should only be used to probe for information and not to identify a disorder or disability.
This memo sets forth the current standards for disability determinations, which are consistent with a diagnostic process consistent with a social model.
This module introduces the module series on appropriate disability evaluations for culturally and linguistically diverse preschoolers.
In this module, Cate discusses the consequences of using test scores to determine disability.
This module introduces the psychometric characteristics used to judge the validity of assessments that are used in determining disabilities.
In this module, Cate discusses the validity of standardized tests and whether they measure what they claim to measure.
This module examines validity issues for psychological tests such as the lack of validity of standardized IQ tests when used with bilingual individuals and English language learners (ELL).
In this module, Cate explains two types of reliability (test-retest and inter-examiner) in terms of standardized tests.
This module examines the role of standard error of measurement in standardized language and psycho-educational tests.
This module examines different sources of bias that are present in commonly used standardized language tests.
