“…Especially in infant assessment, instruments that were developed by the investigators (e.g., Warady et al, 1988) without adequate psychometric investigations are often employed. Similarly, instruments having inadequate psychometric properties or that were designed solely for screening purposes (e.g., the Denver Developmental Screening Test) have been employed in some studies (e.g., Miller et al, 1982). In addition, assessments usually have been conducted by an author who was fully aware of the subject's clinical status (i.e., pre-versus posttransplant).…”