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"According to 'this' theory, unexpected events constitute opportunities, and the role of professional counselors is to help clients prepare to learn from and embrace enextected happenings" (Chang, et al, 2012, p. 45).
What is "The Theory of Planned Happenstance"
Chang, C. Y., Barrio Minton, C. A., Dixon, A. L., Myers, J. E., & Sweeney, T. J. (Eds.). (2012). Professional counseling excellence through leadership and advocacy. New York: Routledge/Taylor & Francis Group.