In the cognitive domain, self-controlled learning, where the learner has some control over the practice situation (also called self-regulated learning), has been shown to benefit language acquisition (Ardasheva, Wang, Adesope, & Valentine,
2017) or mathematic skills (Lai & Hwang,
2016). The positive effects of self-control on different learning variables have been explained with the self-determination theory (Deci & Ryan,
2012; Ryan & Deci,
2000). Self-determination theory assumes that performance is facilitated as the self-control conditions are more adapted to the performer’s needs (Deci & Ryan,
2012). Moreover, self-control influences cognitive and motivational processes (Boekaerts & Niemivirta,
2000). From the cognitive perspective, the perception of self-control should induce a more activated involvement and a deeper processing of relevant information (Sanli, Patterson, Bray, & Lee,
2013). From the motivational perspective, the self-determination theory postulates that autonomy (i.e., the experience of ownership of one’s own behavior) is a basic psychological need, as it is perceived during self-controlled practice conditions and modulates motivation towards a more intrinsic quality. In turn, this may alter cognition, affect, and behavior (Katartzi & Vlachopoulos,
2011). Also other innate psychological needs such as self-efficacy/competence (i.e., the experience to produce desired outcomes and mastery), as well as relatedness (i.e., the experience to feel connected to others) should be increased in conditions of self-control, and should in turn increase intrinsic motivation (Ryan & Deci,
2000; Sanli et al.,
2013; Wang, Liu, Kee, & Chian,
2019). The postulation of an increased self-efficacy/competence and the resulting increase in performance and learning is also implemented in the OPTIMAL theory of motor learning (OPTIMAL: Optimizing Performance Through Intrinsic Motivation and Attention for Learning; Wulf & Lewthwaite,
2016). The OPTIMAL theory integrates motivational (i.e., autonomy and expectancies) and attentional (i.e., focus of attention) aspects, which modulate the control processes (i.e., self-focus vs. task-related focus) and the resulting effects on acute performance and learning in motor behavior. Wulf & Lewthwaite (
2016) also make an explicit prediction that self-control promotes a task-related focus through autonomy and self-efficacy. The task-related focus should in turn facilitate performance and learning. The authors of the OPTIMAL theory refer to research showing facilitating effects of self-control over multiple practice variables in the motor domain (e.g., feedback schedule [Janelle, Barba, Frehlich, Tennant, & Cauraugh,
1997; Patterson & Carter,
2010]; video instruction schedule [Wulf, Raupach, & Pfeiffer,
2005]; amount of practice [Post, Fairbrother, & Barros,
2011]; use of physical assistive devices [Chiviacowsky, Wulf, Lewthwaite, & Campos,
2012; Hartman,
2007]). Although all of the studies manipulated only one single aspect of self-control, the effects are quite large and homogeneous.
However, studies in the motor domain typically fail to show immediate facilitating effects of self-control during practice, while the superior performance of self-controlled learners occurs in delayed retention tests without the need for self-control (e.g., Bund & Wiemeyer,
2004; Janelle et al.,
1997; Wulf, Clauss, Shea, & Whitacre,
2001). Bund and Wiemeyer (
2004) postulate an antagonistic model for cognitive and motivational effects on performance in the context of self-controlled conditions. They assume that self-control has acute motivational benefits, as feelings of autonomy and self-efficacy might facilitate intrinsic motivation, effort, and performance. However, from the cognitive point of view, self-control demands cognitive resources for decision making processes based on the performers’ knowledge of the task and individual capabilities. In the case of self-control of the observation time, the performers need to continuously evaluate the current status of their visual-spatial working memory and make decisions on whether the current representation of the instructed action sequence is accurate and stable enough to end the observation time. Thus, attentional resources are divided between the current criterion task itself and the process of self-control. In some cases, the acute beneficial effects of self-control might outweigh the detrimental effects, as some studies show immediate performance benefits of self-control during practice (Hartman,
2007; Titzer, Shea, & Romack,
1993).