The through-the-air mode is the "real engine" for thought and communication, and that on which secondary representations such as print or Braille are based. This should not be construed as an either-or; it is important to develop high levels of thought in both through-the- air and the corresponding secondary (or captured) modes. It is…

Evidence is presented for the qualitative similarity hypothesis (QSH) with respect to children and adolescents who are d/Deaf or hard of hearing. The primary focus is on the development of English language and literacy skills, and some information is provided on the acquisition of English as a second language. The QSH is briefly discussed within…