Skip to main content

Advertisement

Table 2 Test statistics and effect sizes of the comparisons of the investigated variables before and after the introduction of the vanishing spray

From: The use of vanishing spray reduces the extent of rule violations in soccer

Nominal variables No spray Spray χ2 p V
Violations (H 1.1) 25.4 % 25.8 % .01 .925 .00
Massive violations (H 1.2) 16.7 % 10.7 % 4.58a .032 .09
Successful crosses (H 3.1) 26.7 % 19.2 % 1.26 .261 .09
Success of shots (H 3.2)    .31 .857 .03
OnTarget 34.4 % 32.3 % .23 .635 .02
Missed 38.8 % 41.2 % .26 .611 .02
Wall 26.8 % 26.5 % .00 .954 .00
Continuous variables    t   d
|DistanceError| (H 2) .70 ± 0.64 m .65 ± 0.58 m .56 .577 .01
  1. Continuous variables are stated as mean ± standard deviation
  2. aSignificant differences