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Implementation of School Reconciliation Services in Russian Federation

Table 1:

Levels Experimental groupno.( f1 ) Reference groupno.( f2) (f1 - f2) ( f1 -f2 )2 (f + f2) f 2 - f 2 2 f 1 + f 2
High 10 5 5 25 15 1,67
Medium 5 14 -9 81 19 4,26
Low 5 6 -1 1 11 0,09
Total 20 25 χ2crit=5,991 χ2obs=6,02
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