Effects of serial and concurrent training on acquisition and generalization

Kara L. Wunderlich, Timothy R. Vollmer, Jeanne M. Donaldson, Cara L. Phillips

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


Despite a large body of research demonstrating that generalization to novel stimuli can be produced by training sufficient exemplars, the methods by which exemplars can be trained remain unclear. The purpose of the current study was to evaluate 2 methods, serial and concurrent presentation of stimuli, to train sufficient exemplars. Five preschool children with developmental delays were taught to identify letters or letter sounds using serial and concurrent presentation. Generalization to untrained exemplars was evaluated for targets trained using each method. Participants reached the mastery criterion in fewer training sessions, on average, using the concurrent method of presentation than the serial method, and the concurrent method also resulted in greater generalization to untrained exemplars.

Original languageEnglish (US)
Pages (from-to)723-737
Number of pages15
JournalJournal of applied behavior analysis
Issue number4
StatePublished - Dec 1 2014
Externally publishedYes


  • concurrent
  • generalization
  • serial
  • sufficient exemplar
  • tact

ASJC Scopus subject areas

  • Philosophy
  • Applied Psychology
  • Sociology and Political Science


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