Resurveying Corrective Feedback Meta-Analysis

Table 1

Effect sizes of different types of CF in meta-analysis.

Recasts	Short	0.435	Metalinguistic				Recasts	0.852	Implicit feedback	0.46	Lower effect size
Explicit feedback	Long	0.440		0.079			Explicit correction
Implicit feedback	Short	0.446						0.930
Recasts	Immediate	0.480	Clarification	0.094			Metalinguistic
Metalin-gstic	Short	0.519						0.976	Metalinguistic	0.67
Implicit feedback	Long	0.544	Explicit correction				Clarification
Clarification	Long	0.547		0.097	Indirect	0.361		1.049
Recasts	Long	0.553					Direct Category 2:		Mixed feedback
Implicit feedback	Immediate	0.562	Elicitation	0.116			0.922			0.97
Metalingui-stic	Immediate	0.581
Explicit feedback	Short	0.622	Repetition	0.130	Direct	0.598	Indirect	1.049	Explicit feedback
Explicit feedback	Immediate	0.718					Category 1:
Explicit correction	Immediate	0.908	Recast	0.570						1.17	Upper effect size
CF type	Interval	d	CF type	d	CF type	G	CF type	d	CF type	d
[14]			[15]		[16]		[17]		[18]