child-rearing method; parenting practice
Refers to systematic approaches, techniques, or philosophies for raising children.
This book introduces various child-rearing methods.
Child-rearing practices have changed greatly between the past and the present.
子育て is a more everyday, colloquial term for 'raising children', whereas 育児法 is a more formal or technical term focusing on methodology.
Compound of 育児 (child-rearing) + 法 (method, law).