The maintenance of diagnostic information imparted by three methods: one year later.
D000704:Analysis of Variance; D002648:Child; D003638:Deafness; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008722:Methods; D009034:Mother-Child Relations; D013064:Speech Disorders / Q000175:diagnosis*; D013637:Tape Recording; D013690:Television; D013997:Time Factors; D014705:Verbal Behavior