Table 3. Meta-analysis results for ‘the will’.

Will	No. of metas	No. of studies	No. of people	Prorated No. of people	No. of effects	ES
Self-efficacy	5	140	27,062	53,662	143	0.90
Task value	1	6		13,300	6	0.46
Reducing anxiety	8	247	105,370	158,570	1,305	0.45
Self-concept	6	440	345,455	372,055	2,548	0.41
Attitude to content	4	320	957,609	970,909	782	0.35
Mindfulness	3	66	4,622	4,622	184	0.29
Incremental versus entity thinking	1	85	28,217	28,217	113	0.19