The Alex Studies: Cognitive and Communicative Abilities of Grey Parrots by Irene Pepperberg is reviewed from a behavior analytic orientation. The results of the majority of her experiments are discussed in terms drawn from the general literature of behavior analysis and Skinner’s analysis of verbal behavior. We conclude that she has provided evidence of the complex control of vocal behavior that illustrates a functional verbal repertoire of tacts and mands. This book suggests several areas for future research on the methods needed to establish verbal repertoires in species other than humans.
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Bandura, A. (1986). Social foundations of thought and action: A social cognitive theory. Englewood Clifts, NJ: Prentice Hall.
Brown, R. 1973. A first language: The early stages. Cambridge, MA: Harvard University Press.
Fouts, R. S. (1973). Acquisition and testing of gestural signs in four young chimpanzees. Science, 180, 987–990.
Gardner, R. A., & Gardner, B. T. (1969). Teaching sign language to a chimpanzee. Science, 165, 664–672.
Gardner, R.A., Gardner, B. T., Van Cantfort, T. E. (Eds.) (1989). Teaching sign language to chimpanzees. Albany, NY: State University of New York Press.
Hart, B., & Risley, T. R. (1995). Meaningful differences in the everyday experience of young American children. Baltimore: Brooks.
Kellog, W. N., & Kellog, L. A. (1933). The ape and the child. New York: McGraw-Hill.
Moerk, E. L. (1992). First Language: Taught and learned. Baltimore, MD: Paul H. Brookes.
Mowrer, O. H. (1952). The autism theory of speech development and some clinical applications. Journal of Speech and Hearing Disorders, 17, 263–268.
Mowrer, O. H. (1954). A psychologist looks at language. American Psychologist, 9, 660–694.
Mowrer, O. H. (1980). Psychology of language and learning. New York: Plenum Press.
Patterson, F., & Linden, E. (1981). The education of Koko. New York: Holt, Rinehart & Winston.
Pepperberg, I. M. (1987a). Acquisition of the same/different concept by an African Grey parrot (Psittacus erithacus): Learning with respect to categories of color, shape, and material. Animal Learning & Behavior, 15, 423–432.
Pepperberg, I. M. (1987b). Evidence for conceptual quantitative abilities in the African Grey parrot. Labeling of cardinal sets. Ethology, 75, 37–61
Pepperberg, I. M. (1988). Comprehension of “absence” by an African Grey parrot: Learning with respect to questions of same/different. Journal of the Experimental Analysis of Behavior, 50, 553–564.
Pepperberg I. M. & Kozak, F. A. (1986). Object permanence in the African Grey parrot (Psittacus erithacus). Animal Learning & Behavior, 14, 322–330.
Roitblat, H. L. (1987). Introduction to comparative cognition. New York: W. H. Freeman.
Rumbaugh, D. M. (Ed.) (1977). Language learning by a chimpanzee. New York: Academic Press
Salzinger, K. (1994). The lad was a lady, or the mother of all language learning: A review of Moerk’s First language: Taught and learned. Journal of the Experimental Analysis of Behavior, 62, 323–329
Savage-Rumbaugh, S. (1984). Verbal behavior at a procedural level in the chimpanzee. Journal of the Experimental Analysis of Behavior, 41, 223–250.
Savage-Rumbaugh, S., & Lewin, R. (1994). Kami. New York: Wiley.
Sebeok, T. A., & Umiker-Sebeok, D. J. (Eds.) (1980). Speaking of apes: A critical anthology of two-way communication with man. New York: Plenum Press
Skinner, B. F. (1938). The behavior of organisms: An experimental analysis. New York: Appleton-Century-Crofts.
Skinner, B. F. (1957). Verbal behavior. New York: Appleton-Century-Crofts.
Skinner, B. F. (1974). About behaviorism. New York: Alfred A. Knopf
Sundberg, M. L. & Partington, J. W. (1998). Teaching language to children with autism or other developmental disabilities. Pleasant Hill, CA: Behavior Analysts, Inc.
Terrace, H. S. (1979). Nim. New York: Washington Square Press
Terrace, H. S., Petitto, L. A., Sanders, R. J., & Bever, T. G. (1979). Can an ape create a sentence? Science, 206, 891–902
Todt, D. (1975). Social learning of vocal patterns and modes of their application in Grey parrots. Zeitschrift für Tierpsychologie, 39, 178–188.
Twyman, J. S. (1996). The functional independence of impure mands and tacts of abstract stimulus properties. The Analysis of Verbal Behavior, 13, 1–19.
Wright, A. A., Cook, R. G., Rivera, J. J., Sands, S. F., & Delius, J. D. (1988). Concept learning by pigeons: Matching-to-sample with trial-unique video picture stimuli. Animal Learning and Behavior, 16, 436–444.
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Hesse, B.E., Potter, B. A Behavioral Look at the Training of Alex: A Review of Pepperberg’s The Alex Studies: Cognitive and Communicative Abilities of Grey Parrots. Analysis Verbal Behav 20, 141–151 (2004). https://doi.org/10.1007/BF03393001