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    Harry A MacKay PhD

    TitleProfessor
    InstitutionUniversity of Massachusetts Medical School
    DepartmentPsychiatry
    AddressEunice Kennedy Shriver Center
    55 Lake Avenue North, S3-301
    Worcester MA 01655
    Phone774-455-4021
      Other Positions
      InstitutionUMMS - Programs, Centers and Institutes
      DepartmentShriver Center

        Overview 
        Narrative

        Harry Mackay, Ph.D.Research Interests:

        Dr. Mackay’s research examines behavioral processes, particularly forms of conditional discrimination, that are relevant to teaching rudimentary aspects of preacademic skills to people with developmental disabilities.One aspect of the research involves study of constructed-response matching to sample and its role in equivalence class formation and reading, spelling and numeric performances. Studies of the ordinal properties and class memberships acquired by stimuli used in sequence construction tasks provide bases for recent interest in a behavior analytic approach to syntax. An ongoing project is investigating how matching-to-sample procedures might be optimized to facilitate acquisition. To illustrate, in typical matching-to-sample procedures, the trials presented are entirely determined by the teacher. The child has no control over which stimuli are presented for matching at a given moment. However, this is not typical of many real-world situations. Individuals often can choose the order of tasks and/or the manner of responding. Our current research is designed to permit such choices, thus allowing learners to organize their own behavior in ways that may promote more rapid and/or more accurate performance.



        Bibliographic 
        selected publications
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        1. Sigurðardóttir ZG, Mackay HA, Green G. Stimulus equivalence, generalization, and contextual stimulus control in verbal classes. Anal Verbal Behav. 2012; 28(1):3-29.
          View in: PubMed
        2. Mackay HA, Wilkinson KM, Farrell C, Serna RW. Evaluating merger and intersection of equivalence classes with one member in common. J Exp Anal Behav. 2011 Jul; 96(1):87-105.
          View in: PubMed
        3. Vedora J, Meunier L, Mackay H. Teaching intraverbal behavior to children with autism: a comparison of textual and echoic prompts. Anal Verbal Behav. 2009; 25:79-86.
          View in: PubMed
        4. Meunier, L., Vedora, J., & Mackay, H. A. Teaching intraverbal behavior to children with autism: A comparison of textual and echoic prompts. The Analysis of Verbal Behavior. 2009; 25:79-86.
        5. Mackay, H. A., & Fields, L. . Syntax, grammatical transformation, and productivity: A synthesis of stimulus sequences, equivalence classes and contextual control. In R. A. Rehfeldt, & Y. Barnes-Holmes (Eds.), Derived relational responding: Applications for learners with autism and other developmental disabilities. 2009.
        6. Mackay HA, Soraci SA, Carlin MT, Dennis NA, Strawbridge CP. Guiding visual attention during acquisition of matching-to-sample. Am J Ment Retard. 2002 Nov; 107(6):445-54.
          View in: PubMed
        7. Stromer R, Mackay HA, McVay AA, Fowler T. Written lists as mediating stimuli in the matching-to-sample performances of individuals with mental retardation. J Appl Behav Anal. 1998; 31(1):1-19.
          View in: PubMed
        8. Stromer R, Mackay HA, Howell SR, McVay AA, Flusser D. Teaching computer-based spelling to individuals with developmental and hearing disabilities: transfer of stimulus control to writing tasks. J Appl Behav Anal. 1996; 29(1):25-42.
          View in: PubMed
        9. Stromer R, Mackay HA, Remington B. Naming, the formation of stimulus classes, and applied behavior analysis. J Appl Behav Anal. 1996; 29(3):409-31.
          View in: PubMed
        10. Maguire RW, Stromer R, Mackay HA. Delayed matching to complex samples and the formation of stimulus classes in children. Psychol Rep. 1995 Dec; 77(3 Pt 2):1059-76.
          View in: PubMed
        11. Maydak M, Stromer R, Mackay HA, Stoddard LT. Stimulus classes in matching to sample and sequence production: the emergence of numeric relations. Res Dev Disabil. 1995 May-Jun; 16(3):179-204.
          View in: PubMed
        12. Maguire RW, Stromer R, Mackay HA, Demis CA. Matching to complex samples and stimulus class formation in adults with autism and young children. J Autism Dev Disord. 1994 Dec; 24(6):753-72.
          View in: PubMed
        13. Stromer R, Mackay HA. Delayed identity matching to complex samples: teaching students with mental retardation spelling and the prerequisites for equivalence classes. Res Dev Disabil. 1993 Jan-Feb; 14(1):19-38.
          View in: PubMed
        14. Stromer R, McIlvane WJ, Dube WV, Mackay HA. Assessing control by elements of complex stimuli in delayed matching to sample. J Exp Anal Behav. 1993 Jan; 59(1):83-102.
          View in: PubMed
        15. Stromer R, Mackay HA. Conditional stimulus control of childrens' sequence production. Psychol Rep. 1992 Jun; 70(3 Pt 1):903-12.
          View in: PubMed
        16. Stromer R, Mackay HA. Spelling and emergent picture-printed word relations established with delayed identity matching to complex samples. J Appl Behav Anal. 1992; 25(4):893-904.
          View in: PubMed
        17. Soraci SA, Deckner CW, Baumeister AA, Bryant JT, Mackay HA, Stoddard LT, McIlvane WJ. Generalized oddity performance in preschool children: a bimodal training procedure. J Exp Child Psychol. 1991 Apr; 51(2):280-95.
          View in: PubMed
        18. Dube WV, McDonald SJ, McIlvane WJ, Mackay HA. Constructed-response matching to sample and spelling instruction. J Appl Behav Anal. 1991; 24(2):305-17.
          View in: PubMed
        19. Green G, Mackay HA, McIlvane WJ, Saunders RR, Soraci SA. Perspectives on relational learning in mental retardation. Am J Ment Retard. 1990 Nov; 95(3):249-59.
          View in: PubMed
        20. Mackay HA, Ratti CA. Position-numeral equivalences and delayed position recognition span. Am J Ment Retard. 1990 Nov; 95(3):271-82.
          View in: PubMed
        21. Kledaras JB, McIlvane WJ, Mackay HA. Progressive decline of picture naming in an aging Down syndrome man with dementia. Percept Mot Skills. 1989 Dec; 69(3 Pt 2):1091-100.
          View in: PubMed
        22. Dube WV, McIlvane WJ, Maguire RW, Mackay HA, Stoddard LT. Stimulus class formation and stimulus-reinforcer relations. J Exp Anal Behav. 1989 Jan; 51(1):65-76.
          View in: PubMed
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