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Table 3 The numbers of altered problems whose operations increased or decreased

From: Experimental study of learning support through examples in mathematical problem posing

Groups Increased Same Decreased
Control 17 7 22
Solving 27 5 19
Control 17* 7 22**
Reproduction-s 31* 11 8**
Control 17 7 22
Reproduction-f 4 2 10
Control 17 7 22
Evaluation 6 3 8
  1. *p < .05; **p < .01