This web page is supported, in part, by a grant No. 90EJIG0007-01-00 from the administration for Community Living, U.S. Department of Health and Human Services (DHHS). Grantees carrying out projects under government sponsorship are encouraged to express freely their findings and conclusions. Therefore, points of view or opinions do not necessarily represent official Administration for Community Living or DHHS policy.
All ABA content is copyrighted and may be reprinted and/or reproduced by permission only. In some cases, a fee may be charged. To protect the integrity of our authors’ work, we require that articles be reprinted unedited in their entirety. To request permission to reprint or reproduce any ABA content, go to the online reprint/reproduction request form.