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Table 3 Correlation coefficients Γ[X,Y] between variables X,Y{DIN,DOUT,GIN,GOUT}

From: Concept networks of students’ knowledge of relationships between physics concepts: finding key concepts and their epistemic support

  Γ[DIN,DOUT] Γ[GIN,GOUT] Γ[DIN,GIN] Γ[DOUT,GOUT]
log β -2\0 \2 -2\0 \2 -2\0 \2 -2 \0 \2
ρ 0.66\0.66\0.59 0.64\0.31\0.29 1.00\0.89\0.84 0.99\0.86\0.82
τ 0.51\0.50\0.44 0.48\0.20\0.18 0.95\0.73\0.68 0.95 \0.71\0.66
  1. The Spearman ρ and Kendall τ correlation coefficients are provided for epistemic weights logβ=−2,0 and 2 (separated by \in the same order). All correlation coefficients have p-values p<0.005