Language Testing in Asia

Table 2 Overall learning enhancing effect of the Pinyin Tutor (N = 42 for pre-post and N = 19 for pre-delayed post)

From: Using diagnostic feedback to enhance the development of phonetic knowledge of an L2: a CALL design based on the unified competition model and the implementation with the Pinyin Tutor

	Pre-post			Pre-delayed post
	Mean	SD	p-value	Mean	SD	p-value
Word	17.3474	16.1239	9.01e-09	21.3563	10.6087	6.03e-09
Syllable	18.6217	12.1051	8.02e-13	19.4047	17.1733	2.29e-05
Syllable w/o tone	17.7983	12.9846	2.10e-11	17.1029	14.5828	1.46e-05
Initial	7.5435	8.9644	1.29e-06	8.7566	7.1983	9.31e-06
Final	14.1237	8.9729	4.08e-13	13.0079	9.3646	1.64e-06
Tone	9.1127	17.2783	7.19e-04	11.5241	23.4454	1.78e-02

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