title: Using a microswitch for vocalization responses with persons with multiple disabilities.
abstract: OBJECTIVE
  This study was aimed at extending the evaluation of a special microswitch for vocalization responses with two persons with multiple disabilities.
  
  
  METHODS
  The study was carried out according to an ABAB sequence (with A representing baseline and B treatment) with one person, and an AB sequence with the other person. Activation of the microswitch during treatment produced favourite environmental stimulation.
  
  
  CONCLUSIONS
  The results showed that both persons had an increase in the frequencies of vocalization responses during treatment. The importance of using these (fairly simple) responses within intervention programmes and some methodological issues were discussed.
authors.affiliation: Department of Psychology, University of Leiden, The Netherlands. lancioni@fsw.leidenuniv.nl
authors.forename: G E
authors.initials: GE
authors.lastname: Lancioni
authors.forename: S
authors.initials: S
authors.lastname: Lems
mesh_terms: D000293:Adolescent; D002675:Child, Preschool; D003143:Communication Devices for People with Disabilities; D019988:Children with Disabilities / Q000534:rehabilitation*; D004867:Equipment Design; D006801:Humans; D008297:Male; D008838:Microcomputers; D014831:Voice