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Table 8 Parameter estimates of the ψ’s and δ’s of the segmented regression models by courses

From: An analysis of Italian university students’ performance through segmented regression models: gender differences in STEM courses

Variable Parameter Bio Biot Chem
CU male ψm,1 25.27 (2.32) 36.10 (2.53) 25.82 (3.12)
CU female ψf,1 18.12 (2.36) 30.97 (3.06) 21.10 (2.57)
  ψf,2 38.10 (3.08) 50.81 (2.52) -
CU male δm,1 0.11* (0.02) 0.11* (0.02) 0.11* (0.02)
CU female δf,1 0.08* (0.02) 0.07* (0.02) 0.15* (0.03)
  δf,2 0.05* (0.02) 0.11* (0.05) -
Variable Parameter Comp Eng Math
CU male ψm,1 21.35 (2.70) 15.45 (0.85) 19.10 (3.99)
CU female ψf,1 3.98 (1.24) 18.10 (1.36) 15.07 (2.23)
  ψf,2 - - 43.10 (4.17)
CU male δm,1 0.11* (0.02) 0.13* (0.01) 0.18* (0.05)
CU female δf,1 0.87* (0.39) 0.11* (0.01) 0.25* (0.05)
  δf,2 - - 0.10* (0.05)
Variable Parameter Nat Phy Stat
CU male ψm,1 35.09 (3.58) 18.10 (3.00) 13.89 (5.73)
CU female ψf,1 27.12 (2.82) 15.25 (2.90) 11.92 (5.26)
  ψf,2 - 49.10 (3.61) 52.10 (2.54)
CU male δm,1 0.09* (0.02) 0.16* (0.04) 0.23 (0.14)
CU female δf,1 0.10* (0.02) 0.21* (0.06) 0.25 (0.16)
  δf,2 - 0.16 (0.10) 0.39 (0.31)
  1. Cohort of freshmen enrolled in 2014