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. 2021 Jan 11;16(1):e0245066. doi: 10.1371/journal.pone.0245066

Table 4. Time management and performance in professional settings.

Variable k N r 95% CI Q(df) τ2 τ2(SE) I2
Performance (overall) 21 3,990 0.259*** 0.197–0.318 77.32 (20) 0.016 0.007 74.13
    Results-based performance (overall) 13 2,532 0.221*** 0.144–0.295 44.19 (12) 0.015 0.009 72.84
    Behavior-based performance (overall) 13 2,474 0.297*** 0.225–0.365 40.56 (12) 0.013 0.008 70.41
    Creativity 1 213 0.460*** 0.347–0.560 - - - -
    Helping behavior 1 254 0.160* 0.038–0.278 - - - -
    Job involvement 4 617 0.207*** 0.129–0.282 2.99 (3) 0 0.006 0
    Procrastination (reverse coded) 2 198 0.374** 0.166–0.550 1.61 (1) 0.012 0.046 37.92
    Motivation 4 711 0.352*** 0.226–0.467 10.12 (3) 0.014 0.016 70.37
    Proactiveness 3 813 0.267*** 0.121–0.401 8.81 (2) 0.014 0.018 77.30

* p < .05

** p < .01

*** p < .001.

k = number of studies related to the variable | N = total sample size related to the variable.

r = effect size of the correlation between time management and the variable | 95% CI = confidence interval of the effect size.

Q = Cochran’s Q, a measure of between-study heterogeneity | τ2 = measure of between-study variance | I2 = alternative measure of between-study heterogeneity.