Table 4 Evolution of theoretical knowledge level over time in the three groups.

From: The effect of blended learning on tacking technique improvement in preteen sailing

Variable

Groups

Means ± SD

T0

T1

Theoretical knowledge

BLIV

1.55 ± 1.21

4 ± 1.26*

BLI

1.7 ± 1.49

3.4 ± 1.43

CONT

1.8 ± 1.32

2.5 ± 1.43

  1. T0: pre-test; T1: post-test; BLIV: Blended learning group based on video feedback and online written instructions; BLI: Blended learning Group based on online written instructions; CONT: Control Group. * Significant difference compared with T0 at p < 0.001.
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