Developmental psychologists have not traditionally documented the psychometric properties of their observational instruments, partly because such concepts as reliability and validity are associated mainly with paper-and-pencil tests. A multitrait-multimethod correlation matrix (MTMM) was presented as a useful method for the psychometric evaluation…

When selecting standardized reading tests for purposes of decision making, the school psychologist must answer several questions, such as "What reading skills do I wish to assess?" or "How do I judge if the test is technically adequate?" Recommendations for test selection are made within the context of these questions.…