The phrase "alter methods of" is correct and usable in written English.
You can use it when discussing changes or modifications to specific approaches or techniques in various contexts, such as research, business, or education.
Example: "To improve efficiency, we need to alter methods of data collection and analysis."
Alternatives: "change approaches to" or "modify techniques for".
Examination of changes in method by male and female age group will help to establish whether changes in case fatality because of altered method choice [ 26] may be part of the explanation for these findings.
He left the Parlement alone and attempted instead to reduce government expenditures and to alter the methods of tax collecting.
Private Manning told Mr. Obama that he (I'm using the male pronoun to follow our newsroom's style even though he also announced today that he is a woman, and would like to be called Chelsea) entered the Army and went to Iraq believing that since the 9/11 attacks, "we've had to alter our methods of combating the risks posed to us and our way of life".
We've been at war with an enemy that chooses not to meet us on any traditional battlefield, and due to this fact we've had to alter our methods of combating the risks posed to us and our way of life.
The exhibition continues until the second half of the 20th century, when artists like Yves Klein, John Baldessari, and Jerry Uelsmann altered historical methods of image manipulation -- such as spirit photography or news photo retouching -- to create works that question photography's presumed objectivity.
Altering the method of bone preparation, including demineralization, or the timing of bone introduction in co-culture did not ameliorate the effects.
Tenet Healthcare, the No. 2 U.S. hospital operator, said it settled lawsuits filed by a civic group on behalf of uninsured Hispanic patients in southern California, and is altering its method of collecting unpaid accounts.
The rate of pH decline on 24 finisher pigs was manipulated by altering the method of stunning (carbon dioxide or electrical head to heart) and by the use of electrical stimulation (none or low voltage electrical stimulation (LVES) at 4 min post slaughter for either 15 s or 60 s).
In Poplar Housing v Donaghue, the Court of Appeal rejected the possibility of reading in a provision, because it would have altered the method of remedying the problem to that laid down by Parliament, amounting to starting afresh on how best to approach the issue.
This included training physiotherapists to use the CPAx effectively, and altering the method of data recording.
