The study investigates effects of extraneous variables on performance of choking-susceptible University elite and non-elite athletes. The studyused a pretest-posttest design. A total of 120 males and females athletes were used as participants in the first stage (¡Ó=1.15 or .36), of which sixtyparticipants (30 elite and 30 non-elite athletes) were drawn from the pull (n = 74). Two instruments were used at the initial stage: Selfconsciousnessscale (s-c) and State anxiety scale (A-trait) with established s-c („Ö = .77) and A-trait („Ö = .75). Furthermore, Competitive State AnxietyInventory-2 (CSAI-2) with an-established „Ö = .85, .83 somatic intensity and direction; cognitive intensity and direction „Ö = .76, .83 subscale,measuring anxiety level of participants prior to performance. Fifty-seven participants (30 elite and 27 non-elite) completed a series of basketball layup shorts in a low pressure (LP) condition (pre-test) and high pressure (HP) condition (post-test). Two hypotheses were tested at 0.05 level of significance. Analysis of covariance (ANCOVA) was used to analyzed the data. The results obtained showed that hypothesis one using two psychological inventories were accurate predictors of choking-susceptibleuniversity elite and non-elite athletes at 66.7% success rate. There was a significant main effect on task [F (1, 56) = 24.276, p.05]and sport composition [F (1, 56) = 1.635, p>.05]. Based on the outcomes of the results and previous choking research, choking processes are relatively complex and differ based on personality characteristics. Therefore, understanding individual zone of optimum functioning (ZOF),administration of intervention strategies such as group activation, skill techniques and sufficient training before competitions in different situations could help to control and managed choking effect among susceptible athletes.