The phrase "a sincere change" is correct and usable in written English.
It can be used when discussing a genuine transformation or improvement in behavior, attitude, or circumstances.
Example: "After years of struggle, he finally made a sincere change in his lifestyle, committing to healthier habits."
Alternatives: "a genuine transformation" or "an honest shift".
Whereas, being non-telepathic, I honestly have no idea whether the Brandeis and Mozilla decision-makers underwent a sincere change of view, or still secretly think their first decision was right.
But whatever the motivation, if the announcement is followed up by a sincere change in attitude and serious actions Microsoft has an opportunity here to really build up trust with the open-source community.
It's certainly not a sincere change of viewpoint.
But that clarification seemed aimed at tamping down the political backlash over his Putin summit rather than a sincere change in posture toward Russia.
With a sincere change in their thinking process and enough time, they can overcome the characteristics that led them to addiction.
We pray that in this he comes to complete repentance and sincere change.
If, that is, you have learned some of the lessons from your first term and make a sincere effort to change what needs to be changed in your second.
It comes down to self-awareness, recognizing the challenges, a sincere desire to change, and a little creative scheduling.
I truly think it's the latter and that the evidence shows the people running IC had and have a sincere desire to change the world for the better by bringing widespread attention to the atrocities that occurred in Central Africa.
Smiling is infectious--a sincere smile and a warm greeting first thing in the morning can change the mood in your office instantly.
They say that the quick response of the nation's supreme leader, Ayatollah Ali Khamenei — which included the unprecedented statement that "should you change, our behavior will change, too" — was a sincere signal of Iran's openness to substantive diplomatic proposals from the new American administration.
