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Table 3 SJT score differences for gender, socio-economic status (high school origin and parental background) and ethnicity

From: Evaluation of Situational Judgment Tests in student selection in Indonesia and the impact on diversity issues

Variable n Year 2017 n Year 2018
Mean score SD Mean score comparison Mean score SD Mean score comparison
Gender
 Male 142 411.89 27.14 Independent t-test, t(444) = 4.561, p = 0.000*, d = 0.455 161 414.46 24.77 Independent t-test, t(506) = 4.78, p = 0.000*, d = 0.462
 Female 304 423.62 24.40   347 426.31 26.54  
High school origin
 Java Bali 389 420.68 25.46 ANOVA test, F(3,442) = 1.582, p = 0.193, η2 = 0.011 452 422.48 26.90 ANOVA test, F(3,504) = 0.318, p = 0.812, η2 = 0.002
 Sumatera 34 411.44 30.67   30 425.83 25.98  
 Kalimantan–Sulawesi 13 414.92 24.29   12 423.00 23.67  
 Overseas 10 424.00 22.85   14 417.57 18.53  
Father educational background
 Elementary school – high school 28 413.96 35.01 ANOVA test, F(2,443) = 0.789, p = 0.455, η2 = 0.004 33 416.21 21.71 ANOVA test, F(2,505) = 1.534, p = 0.217, η2 = 0.006
 Vocational - Bachelor 206 420.43 24.86   230 421.70 26.50  
 Masters - Doctoral 212 420.14 25.46   245 424.20 27.10  
Mother educational background
 Elementary school – high school 47 415.04 27.44 ANOVA test, F(2,443) = 1, p = 0.369, η2 = 0.005 54 415.20 25.16 ANOVA test, F(2,505) = 2.333, p = 0.098, η2 = 0.009
 Vocational - Bachelor 265 420.09 26.22   296 423.33 27.26  
 Masters - Doctoral 134 421.18 24.53   158 423.61 25.39  
Ethnicity
 Indonesian 169 423.17 24.55 ANOVA test, F(5,440) = 2.147, p = 0.059, η2 = 0.024 197 423.79 24.56 ANOVA test, F(5,502) = 1.321, p = 0.254, η2 = 0.013
 Javanese 130 417.80 23.38   136 423.15 27.26  
 Sumatran 52 411.58 28.35   59 416.97 29.89  
 Chinese 35 423.43 30.70   39 425.72 26.00  
 Other 33 417.27 28.01   42 416.50 29.96  
 Mixed ethnicity 27 423.93 28.13   35 426.40 24.09  
  1. Levene’s tests indicated equal variances (p value ranging from 0.60 to 0.899) which rendered the ANOVA results meaningful although there were large sample size differences among groups
  2. *Denotes significant differences/correlations among variables (p < .05)