Language Testing in Asia

Table 5 Pretest-delayed posttest improvements for the two feedback conditions (N = 13 for basic and N = 8 for diagnostic)

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

	Diagnostic		Basic		Significance
	Mean	SD	Mean	SD	Cohen’s d	p-value
Word	45.1107	11.2514	38.8158	9.6220	1.3117	0.1026
Syllable	41.8540	20.2622	33.8622	11.6519	1.0112	0.1623
Syllable w/o tone	45.1956	14.2068	28.9474	10.2567	2.8045	0.0057
Initial	20.4412	6.1668	12.7554	6.9615	2.6432	0.0080
Final	32.9525	8.7062	19.9935	3.7862	3.9556	0.0004
Tone	28.1391	29.3215	14.7757	6.9898	1.2556	0.1122

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