It is commonly accepted that visual feedback (FB) improves sport skill acquisition (Horn et al., 2002). In order to improve sport technique, it has been shown that visual FB of an execution can be processed on a later stage improving the precision in the following executions without visual FB (Hodges and Franks, 2002; Khan et al., 2002). In the same way, the efficacy in the applicability of visual FB has been proved to improve tactics in team sports (Morya et al., 2003; Viciana et al. 2002; Yen and Radwin 1995; Eon and Schütz, 1992). The aim of this proposal is to create and apply a computerized tool to analyze image and sound in Physical Education (PE) and sport matches settings. The statistical results from the registered and categorised actions (PE or sport actions), both in frequencies and sequences as confirmed or not confirmed hypothesis from the data collected from systematic observation, can be presented in an immediate deferred time (IDT) -defined as the administration of visual and hearing FB immediately after the registration of the information-.
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