Objective.

To examine the effect of imagery intervention on the self-confidence of university football players after participating in an 8-session imagery intervention.

Method.

17 male football players between 18 and 25 years old (M = 21, SD = 2.2) participated, 9 in the intervention group and 8 in the control group. The intervention lasted 8 sessions and was based on the PETTLEP model. The imagery was measured through the SIAQ and self-confidence with TSCI.

Results.

The results showed an interaction effect on imagery (F (1, 15) = 4.57, p < 0.05, ηp2 = 0.23), while the main effect on self-confidence was established in the intervention and control groups (F (1, 15) = 6.13, p < 0.05, ηp2 = 0.29). Additionally, a high positive correlation was found between imagery and self-confidence (r (8) = 0.79, p < 0.05).

Conclusion.

A positive effect was obtained after an imagery intervention on the imagery ability, which is a significant advance for the application of imagery practice in team sports, such as football.

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