positive regulation of endocardial cushion cell differentiation
Any process that activates or increases the frequency, rate or extent of endocardial cushion cell differentiation.
GO:0120074
regulation of endocardial cushion cell differentiation
is_a
GO:1905209
positive regulation of cardiocyte differentiation
is_a
GO:0061443
endocardial cushion cell differentiation
positively_regulates