The phrase 'more determinative' is correct and usable in written English.
It is used as an adjective to describe something that has a more definitive or resolute quality, such as a decision, policy, or opinion. For example, "The new legislation is much more determinative than the old one."
Perhaps these similarities are more determinative of the traits under discussion than people's birthdays are.
This is evidence that a high-profile mass shooting is not enough to turn the tide in favor of gun control; the political climate is more determinative.
Dr. Freeman studied a different island 20 years after Mead's research, and his notion that biology is more determinative than culture is oversimplified.
In this fateful drama, considerations of culture and politics are likely to play a more determinative role than any choice of economic instrumentalities.
"We have moved from a society in the 1950s and 1960s, in which race was more consequential than family income, to one today in which family income appears more determinative of educational success than race," said Sean F. Reardon, a Stanford University sociologist.
Mr. Wilson had turned the world of social policy on its head by arguing that class was becoming more determinative than race in America and pointing out that race-specific remedies were less politically feasible than economic policies that benefited a broad range of people.
More importantly, STAT4 is a determinative factor of Th1 cell differentiation and also participates in Th17 cell differentiation [ 18, 19].
This is suggestive of genetic programs that are more dependent on either a regulative or determinative mode of development.
We note, however, that such studies may not be determinative, because other considerations may be more important.
However, as I noted above, more sophisticated analyses of the propensity for interpersonal violence show race is not a determinative factor in violent behavior.
It could be concluded that although CdCl2 played a determinative role in mid-gap state passivation [25], the choice of alkyl phosphine acid is more important to improve transport ability associated with the valence band.
