The phrase "a methodological change" is correct and usable in written English.
It can be used when discussing a shift or alteration in the methods or approaches used in a particular field or study.
Example: "The research team implemented a methodological change to improve the accuracy of their data collection."
Alternatives: "an approach shift" or "a change in methodology".
Imagine what the finances would like without this help.* There is a methodological change to do with the treatment of the banks, but that probably doesn't affect the numbers on taxes and spending.
Clemente De Lucia, an economist at BNP Paribas, noted that a methodological change had increased the volatility of consumer price data, meaning that the data should be taken with a grain of salt.
The Labour Force Survey underwent a methodological change, in 2002, affecting the definitions of unemployment and participation rates.
The Boston cord blood samples had higher GM-CFU concentrations (5.4 ± 3.2 colonies/103 MNC) than the previously reported Worcester samples (0.84 ± 0.47 colonies/103 MNC), but this was due to a methodological change in which cells were plated in a more efficacious commercial growth medium for obtaining GM-CFUs.
The methodological proposal for calculating the gender gaps between women and men for the GEI dimensions, termed the modified Gender Equity Index (MGEI) (Table 1), considers situations of gender inequity that are unfavourable towards men and women, applying a methodological change to the definition of the gender gap for the three GEI dimensions.
It is also worth mentioning that there was a significant methodological change in 2011 to how occupations were classified.
The growing diversity of news sources available online has led to a significant methodological change in field of global news coverage.
From the second half of 2003 the EPH was subject to an important methodological change that impedes us to extend the period of analysis, also because of the timing when households are surveyed, the new EPH is less suitable for the purposes of the present study.
Only a handful of state pollsters have begun to weight by education, and the exit polls have not announced any methodological changes intended to remedy these issues either.
The update neither includes any methodological changes nor any new endpoints analyzed.
Anything as unusual as Gallup's methodological change deserves a closer look, because any sample design that leaves people out is something that should be scrupulously examined.
