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It is currently unresolved whether control, or its lack, over mind wandering contributes to its associations with creativity. Mind wandering and mindfulness are seen as opposing constructs concerning the ability to remain undistracted and, at the same time, appear to have a complex relationship with one another and with creativity. This study investigated the influence of control on novelty and usefulness of thought content during mind wandering in everyday life, controlling for mindfulness, creativity, and momentary mood. One thousand twenty-five thought probes of 41 healthy young adults were collected over the course of one week. The mindfulness facet acting with awareness and higher originality predicted less mind wandering. Acting with awareness also predicted higher, but nonreactivity to inner experience and creative production lower, momentary control. Momentary control was lower among women than men and positively associated with usefulness, but not novelty, of thoughts. Creativity did not moderate these associations. Habitual spontaneous mind wandering predicted lower usefulness and novelty of thoughts. These results highlight the need to distinguish controlled and uncontrolled mind wandering and the facets of mindfulness in this field of inquiry. Future research should focus on the contents and processes of mind wandering to further disentangle its adaptive and maladaptive consequences. [ABSTRACT FROM AUTHOR]

Previous evidence suggests that benefits of mindfulness‐based interventions (MBIs) may depend on individuals' baseline trait mindfulness (BTM) levels. This meta‐analysis investigated moderating effects of BTM on changes in mental health outcomes and trait mindfulness in randomised controlled trials (RCTs) of MBIs. A total of 177 primary studies (total N = 13,486), comparing the treatment effects of MBIs against active, treatment‐as‐usual (TAU) and waitlist control groups, were synthesised via three‐level meta‐analysis. Lower BTM was associated with larger changes in mental health outcomes (B = −0.14, 95% CI [−0.21, −0.06], p < .001) and trait mindfulness (B = −0.09 [−0.16, −0.02], p = .009) in MBIs and active controls combined. These associations were significantly larger than from those in TAU and waitlist controls. Moderating effects were less tangible for changes in trait mindfulness in MBIs and active controls individually and less tangible in various sensitivity analyses which, however, were confounded by client type across the RCTs. Individuals low in BTM may, by a small effect size, benefit more from MBIs and active control interventions. BTM may thus affect the evaluation of treatment efficacy. MBIs and active interventions could be offered specifically to persons low in BTM. [ABSTRACT FROM AUTHOR]

Generational IQ test scores in the general population were observed to increase over time (i.e., the Flynn effect) across most of the 1900s. However, according to more recent reports, Flynn effect patterns have seemingly become less consistent. So far, most available evidence on this phenomenon has been categorized by drawing on the classic fluid vs. crystallized intelligence taxonomy. However, recent evidence suggests that subdomain-specific trajectories of IQ change may well be more complex. Here, we present evidence for cross-temporal changes in measurement-invariant figural reasoning tasks in three large-scale, population-representative samples of German secondary school students (total N = 19,474). Analyses revealed a consistent pattern of significant and meaningful declines in performance from 2012 to 2022. Results indicate a decrease in figural reasoning of 4.68 to 5.17 IQ points per decade (corresponding to small-to-medium effects, Cohen ds from 0.34 to 0.38). These findings may be interpreted as tentative evidence for a decreasing strength of the positive manifold of intelligence as a potential cause of the increasing number of recent reports about inconsistent IQ change trajectories. [ABSTRACT FROM AUTHOR]