Time point

Servings of fruits and vegetables eaten yesterday

1st Grade mean + stddev

2nd Grade mean + stddev

All Students mean + stddev

Pre-test

3.01 + 1.88

3.26 + 1.71

3.08 + 1.84

Post-test

3.79 + 1.88

3.88 + 1.52

3.81 + 1.59

p value for significant increase

p < 0.0001

p = 0.003

p < 0.0001