Correspondence| Volume 46, ISSUE 12, P1713-1714, December 15, 1999


      We appreciate Dr. DeQuardo’s interest in our manuscript but we disagree with his initial statement, “that the study was seriously flawed.” Like any negative finding, we do believe that there are many explanations for not finding a significant difference in corpus callosum shape. Given our sample size, however, the finding of no difference is important.
      To read this article in full you will need to make a payment

      Purchase one-time access:

      Academic & Personal: 24 hour online accessCorporate R&D Professionals: 24 hour online access
      One-time access price info
      • For academic or personal research use, select 'Academic and Personal'
      • For corporate R&D use, select 'Corporate R&D Professionals'


      Subscribe to Biological Psychiatry
      Already a print subscriber? Claim online access
      Already an online subscriber? Sign in
      Institutional Access: Sign in to ScienceDirect


        • Arndt S.
        • Tyrrell G.
        • Woolson R.F.
        • Flaum M.
        • Andreasen N.C.
        Effects of errors in a multicenter medical study.
        J Psychiatric Res. 1994; 28: 447-459
        • Arndt S.
        • Woolson R.F.
        Establishing a biostatistical core unit in a clinical research center.
        Am Stat. 1991; 45: 22-27
        • Arndt S.
        • Woolson R.F.
        Assessment of data quality.
        Biomet J. 1993; 35: 315-324
        • Bookstein F.L.
        Morphometric Tools for Landmark Data. Cambridge University Press, New York1991