57 Proactive Vitality Management and Creative Work Performance that is defined as the understanding of one’s own feelings, thoughts and behavior (Grant et al., 2002). Self-insight may thus help people to more effectively use proactive vitality management. More specifically, they may signal a need for this type of self-regulatory behavior earlier andmore accurately than people with lower self-insight. Moreover, selfinsight may promote awareness of what will work in terms of behavioral strategies (i.e., how, when, and where). In addition, self-insight has the potential to positively influence the link between proactive vitality management and creative work performance for at least two more reasons. First, self-insight has been identified as “an important metacognitive process for stimulating adaptive, self-directed change” (Cowden & Meyer-Weitz, 2016, p. 1134; see also, Carver & Scheier, 1998). Therefore, higher levels of self-insight may facilitate the process of proactively using vitality management to promote work goals (i.e., a form of adaptive, self-directed change). Second, research suggests that people with more self-insight are more likely to believe that they will achieve their goals and live up to their potential (Cowden & Meyer-Weitz, 2016), which could motivate them to proactively use vitality management strategies to pursue their (creative) goals and reach higher levels of creativity (cf. creative self-efficacy; Tierney & Farmer, 2002). In this process, individuals with more self-insight tend to focus on their work goals and actively monitor goal process. Moreover, they use feedback to sustain or develop progress regarding performance and goal achievement (Cowden & MeyerWeitz, 2016; Grant, 2001). All these qualities may boost the effectiveness of proactive vitality management for creative work performance. Hypothesis 2. The positive relationship between proactive vitality management and creative work performance is moderated by self-insight, such that this relationship is stronger when employees have more self-insight. Social Support for Creativity Social support refers to supportive interactions between individuals and includes aspects such as helping, proving information, advice and emotional support (House, 1981). Support from social contacts may motivate working individuals and enhance well-being by promoting goal achievement and personal growth (Bakker & Demerouti, 2017; Grant & Parker, 2009) and by satisfying the need to belong, i.e., the human desire for relatedness (Deci & Ryan, 2000). 3

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