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. 2022 Jun 17;19(12):7454. doi: 10.3390/ijerph19127454

Table 17.

Heterogeneity test results of studies on the influence of indoor plants on academic achievement.

Model Number
of Studies
Pooled Effect Size Heterogeneity
Effect Size Standard Error p-Value Q-Value df (Q) p-Value I-Squared
Fixed 2 0.534 0.187 0.004 0.639 1 0.424 0.000
Random 2 0.534 0.187 0.004