Description of the variables studied.<\/em><\/em><\/em><\/em><\/em><\/em><\/em><\/p>\n\n\n\nRole<\/td> Variable<\/td> Categories<\/td> Description<\/td><\/tr> Independent<\/td> Court design<\/td> Wide (W)<\/td> Court of 6 metres wide by 4.5 metres deep.<\/td><\/tr> Narrow (N)<\/td> Court of 4.5 metres wide by 6 metres deep.<\/td><\/tr> Dependent<\/td> Number of total contacts produced in each rally<\/td> C<\/td> Number of contacts made in each rally between the two teams.<\/td><\/tr> Dependent<\/td> Possessions made per point<\/td> P<\/td> Total number of ball possessions per team executed in each rally. <\/td><\/tr> Dependent<\/td> Game complexes completed per point<\/td> K<\/td> Frequency at which the maximum number of contacts (three) was used up in each possession per rally.<\/td><\/tr> Dependent<\/td> Number of overhead passes in the first action per point<\/td> O<\/td> Number of defensive actions carried out with overhead pass on the first touch in each rally.<\/td><\/tr> Covariate<\/td> Period<\/td> Per<\/td> Allocation of the period in which each set is played in relation to the intervention (match one or match two).<\/td><\/tr> Covariate<\/td> Sequence<\/td> Seq<\/td> Order of allocation of the courts on which the sets were played (WN or NW).<\/td><\/tr> Possible confounding variable<\/td> Score difference<\/td> SD<\/td> Difference in the score between the two teams at the end of each set played.<\/td><\/tr> WN: wide-narrow; NW: narrow-wide.<\/td><\/tr><\/tbody><\/table>\n\n\n\n