As Chapter 1 has shown, considerable disagreement exists about the boundaries between the
fields of sport, exercise, and performance psychology (SEPP). Given this background of uncertainty,
the present chapter will focus on establishing some common ground between these disciplines.
More precisely, it will investigate Irish and international perspectives on the key skills
required by effective SEPP practitioners to help people to do their best when it matters most.
We have organized the chapter as follows. To begin with, we shall trace the formal emergence
of SEPP in Ireland and explain the practical requirements that applied sport psychology
practitioners must satisfy in order to receive accreditation from the relevant national regulating
authority—namely, the Irish Sports Council. Next, adopting an international perspective, we
analyze the results of interviews with four experienced performance psychology specialists on
the lessons that they have learned to date from their professi...