Devany, J. M., Hayes, S. Ñ., & Nelson, R. 0. (1986). Equivalence class formation in language-able and language-disabled children. /Journal of the Experimental Analysis of Behavior, 46,/ 243-257.

Hayes, S. Ñ. (1984). Making sense of spirituality. /Behaviorism, 12,/ 99—110.

Hayes, S. C. (1987). A contextual approach to therapeutic change. In N. Jacobson (Ed.), /Psycholherapies in clinical practice: Cognitive and behavioral perspectives/ (pp. 327— 387). New York: Guilford.

Hayes, S. C., & Brownstein, A.J. (1986). Mentalism, behavior-behavior relations and a behavior analytic view of the purposes of science. /The Behavior Analyst, 9,/ 175— 190.

Hayes, S.G., Brownstein, A.J., Haas, J. R., & Greenway D. E. (1986). Instructions, multiple schedules, and extinction: Distinguishing rule-governed from schedule controlled behavior. /Journal of the Experimental Analysis of Behavior, 46,/ 137—147.

Wulfert, Å., & Hayes, S. C. (1990). The transfer of conditional control through conditional equivalence classes. /Journal of the Experimental Analysis of Behavior./

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