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Table 4 SRI gain scores (mean (standard deviation)) by spatial rank for each cohort

From: The impact of an intervention program on students’ spatial reasoning: student engagement through mathematics-enhanced learning activities

Spatial rank Intervention Control Effect size
(d)
Low 4.52 (3.16) 3.13 (3.22) .44
Medium 4.27 (3.47) 2.42 (3.11) .56
High 4.23 (3.31) 2.90 (3.41) .43
  1. Intervention: Low N = 60, Medium N = 80, High N = 53. Control: Low N = 39, Medium N = 62, High N = 43