Development and diagnostic validation of the Brisbane Evidence-Based Language Test.

Purpose: To describe the development and determine the diagnostic accuracy of the Brisbane Evidence-Based Language Test in detecting aphasia.

Methods: Consecutive acute stroke admissions ( = 100; mean = 66.49y) participated in a single (assessor) blinded cross-sectional study.

Inter-rater reliability, intra-rater reliability and internal consistency of the Brisbane Evidence-Based Language Test.

Purpose: To examine the inter-rater reliability, intra-rater reliability, internal consistency and practice effects associated with a new test, the Brisbane Evidence-Based Language Test.

Methods: Reliability estimates were obtained in a repeated-measures design through analysis of clinician video ratings of stroke participants completing the Brisbane Evidence-Based Language Test. Inter-rater reliability was determined by comparing 15 independent clinicians' scores of 15 randomly selected videos.