Background: Pragmatic language impairment has recently been the subject of a number of studies that attempted to illuminate classification and diagnostic issues, and identify the profile of children with pragmatic language difficulties. Although much progress has been made, the nature of pragmatic difficulties remains unclear. Aims: To contrast…

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…

The responses of 194 fifth graders to a questionnaire assessing causal attributions, academic expectancies, and self-evaluation of smartness varied as a function of whether the questionnaire was administered individually or in a group. Children expressed lower and less accurate predictions in the individual condition than in the group condition.…