Table 2

The comparison of pre-post test scores in short term evaluation

Mean score

SD

t

P


Pre-test

7.14

1.81

Post-test

9.22

1.12

Difference

-2.08

1.79

-27.01

0.000*


* P < 0.001

Guo et al. BMC Public Health 2010 10:77   doi:10.1186/1471-2458-10-77

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