The phrase "affirmative instance" is correct and usable in written English.
It can be used in contexts where you want to refer to a specific example that supports a statement or argument positively.
Example: "In the discussion about climate change, the recent study serves as an affirmative instance of the impact of human activity on global temperatures."
Alternatives: "positive example" or "supportive case".
The case against affirmative action, for instance, has become an argument in defense of the institution of higher learning — which is, apparently, so fragile that it will crumble in the face of a few sub-par test scores.
Affirmative Action, for instance, should not be seen as a permanent thing in American society.
Even Ronald Reagan, the patron saint of conservative ideologues, supported affirmative action in instances where two candidates presented equivalent credentials and one was a member of an underrepresented population.
Moreover, he preached against affirmative action except in instances where it served him politically.
Nicolas Sarkozy, Chirac's ruthlessly energetic minister of the interior, has waged a "zero tolerance" war on hate crime while also taking steps to improve the position in French society of North African immigrants and their children -- creating an official Muslim council, for instance, and advocating affirmative action in government appointments.
When he lectured on a pivotal affirmative-action Supreme Court case, for instance, he emphasized that white contractors who lost out to minority businesses because of racial set-asides had a legitimate grievance.
For instance, blacks support, overwhelmingly, the policy of affirmative action: even the lower and working classes do so, undeterred by the fact that the principal beneficiaries of affirmative action have been members of the middle class.
"If affirmative action is enforced in the outsourcing industry, for instance, it will lead to resource turbulence," said Mr. Iyengar, who said challenges like language and culture would reduce the employable pool of candidates for companies.
For instance, Arcidiacono et al. (2011) show that affirmative action can lead minority students to be worse off if universities have private information about how well the student will perform at their school.
For instance, fragments with methodology statements, or those bearing affirmative scientific statements supported by experimental evidence are of high utility for database curators (Yeh et al., 2003).
