“…Students' commitment to achieving goals has been investigated and support is offered for the impact that goal commitment has on performance in this population (Hollenbeck, Klein, O'Leary & Wright, 1989;Klein & Mulvey, 1995) Probability of success has been found to be an important predictor of goal commitment (Ingledew, Wray, Markland & Hardy, 2005;Locke & Latham, 2002;Wofford et al, 1992); if an individual feels they are likely to reach a goal, the more committed they will be to trying to achieve it. One issue that arises out of this is that whilst expectation of success predicts goal commitment, hard goals, in which likelihood of success is low, create the best performance.…”