127 Creating A Creative State of Mind the call for insights into the consequential processes of proactive behavior – or how a certain type of proactivity may bring about a certain type of ‘change’ (cf. Parker et al., 2010). In this case, we aimed to explore a process in which proactive vitality management relates to changes in how individuals feel and perform on certain days relative to other days. Our research builds further upon previous work by Op den Kamp et al. (2018, 2020) and Bakker et al. (2020), who showed that proactive vitality management is positively related to creativity. Our findings corroborate and complement these earlier studies by providing a more detailed look and robust test of the process with a constructive daily diary replication involving various samples and objective and dual-source measures of creativity. Besides such methodological considerations, our research theoretically expands upon these earlier studies as well. More specifically, we have focused on an additional explanatorymechanismbetween proactive vitalitymanagement and creative performance. Indeed, based on the vitality literature, proactive vitality management has been conceptualized as an overarching construct – comprising physical, affective, and cognitive components – that may trigger multiple, intertwined processes that may subsequently promote creativity (cf. Lavrusheva, 2020; Op den Kamp et al., 2018; Ryan & Deci, 2008; Ryan & Frederick, 1997). Whereas Bakker et al. (2020) addressed the affective side of the process by advancing work engagement as a mediating mechanism, we aimed to broaden our understanding of the proactive vitality management-creativity link by focusing on the cognitive aspect of the process. The findings suggest that mindfulness plays an important role in connecting proactive vitality management to creative outcomes – even over and above the influence of work engagement – supporting the proposed cognitive mechanism. Even though studies sometimes focus on vitality’s either physical or mental components and effects, the components are intertwined (Lavrusheva, 2020). Accordingly, we propose that the cognitive, affective, and physical processes spurred by proactive vitality management are partly overlapping and may occur simultaneously. For example, physical energy may play a role in the process of activated positive affect and may also enable a fresh pair of eyes and headspace. At the same time, some aspects of the different processes may be rather unique. For example, feeling physically energetic is not necessarily accompanied by happiness, and being able to focus well need not 5
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