she is known for writing the book "the deliberate dumbing down of america". the book alleges that changes gradually brought into the american public education system work to eliminate the influences of a child's parents, and mold the child into a member of the proletariat in preparation for a socialist-collectivist world of the future. she considers that these changes originated from plans formulated primarily by the andrew carnegie foundation for the advancement of education and rockefeller general education board, and details the psychological methods used to implement and effect the changes.