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Table 2 Paired difference correlations

From: A trial of patient-oriented problem-solving system for immunology teaching in China: a comparison with dialectic lectures

 

Nubmer

Mean

SD

Pre-test group I - Post-test group I

110

6.27

2.223

Pre-test group II - Post-test group II

221

3.18

1.864

  1. Notes: z = 15.74, P < 0.001 significant.
  2. Abbreviations: SD, standard deviation; z, z-test.