The phrase "alter their attitude" is correct and usable in written English.
You can use it when discussing the need for someone to change their perspective or behavior towards a situation or person.
Example: "In order to work effectively as a team, it's essential that all members are willing to alter their attitude towards collaboration."
Alternatives: "change their mindset" or "adjust their perspective".
While contending parents might enter the hearing room with hostility and even perversity of motive, a change of auspices, away from the court, should alter their attitude, unless they have lost their capacity of responding to persuasion.
Moreover, historically we have learned from the behavior of the Islamic Republic that human rights dialogue alone does not alter their attitude unless it is substituted with international pressure.
We still believe that enduring organizational change is possible only if individuals alter their attitudes and behaviors first.
Adolescents tend to alter their attitudes and behaviors to match those of others; a peer influence process named peer conformity.
Research by Geoff Kaufman of Dartmouth College and Lisa Libby of Ohio State University found that individuals who lose themselves in the world of a character often alter their attitudes and thoughts to resemble those of the made-up person.
If the college is ever to recapture its reputation as a "top-notch" educational institution, Jackson declared, its officials must alter their attitudes toward the students they are paid to serve.
It is possible that by empowering our participants to protecting themselves through the risky period for life-threatening injuries will alter their attitudes towards risk-taking behaviour for the rest of their lives.
Traditional models of health promotion suggest that, once individuals gain increased knowledge about a health concept, they must then alter their attitudes and behaviors before a change is seen in the outcome [ 38].
It should be noted that introducing a new treatment among GPs may require more detailed education about the specific working mechanism of key features, to alter their attitudes and beliefs.
If the ultimate aim of acculturation involves a process of adaptation in which Ghanaians alter their attitudes and behaviours to more closely resemble those of Canadians[ 23], then Ghanaians in the GTA who have not fully acculturated into the Canadian society [11.
But at his first post-election press conference, he stressed that any change in Iran's relations with the United States must depend on the Americans altering their attitude first: "The key to the problem is in their hands, not ours," he said.
