The phrase "artificial change" is correct and usable in written English.
It can be used to describe a change that is not natural or organic, often implying that it has been created or manipulated by human intervention.
Example: "The artificial change in the ecosystem has led to unforeseen consequences for local wildlife."
Alternatives: "man-made alteration" or "synthetic modification".
So it's hard to distinguish a genuine shift toward Mr. Romney, from a real but potentially temporary shift based on changes in voter enthusiasm, from an artificial change caused by a bias toward heavy news consumers.
It was left until the production of the final definitive data for 2008 to deal with this artificial change at the observatory absolute pillar.
In the short-axis (Figure 1B), movement in a craniocaudal direction could result in an artificial change in IVC diameter related to anatomic variation in size at different locations.
We use zonal wind data and also consider the wind direction along the SCS in this study, which is not affected by the artificial change in the observation data.
Moisture retention data showed that compaction and artificial change in particle size distribution decreased volumes of large (9 300 μm) and small (<0.2 and 3 9 μm) pore size classes, respectively.
We therefore subjected a sandy loam soil to a number of artificial manipulations namely i) compaction, ii) artificial change in particle size distribution, iii) addition of different substrates and iv) change in soil pH to manipulate soil pore structure and the decomposer community for use in lab incubation set-ups.
Appearing before the House of Commons justice select committee, Gove confirmed he had no intention of introducing "artificial" changes to sentencing policy to reduce the record 85,000 prison population in England and Wales.
Reaction to sudden changes in data, using natural datasets ELEARN and MUSIC, is studied introducing artificial changes in these datasets.
The artificial changes were not only related to the Controller component, but also its client components, which were realizing other requirements.
This approach was extended by using digital image processing on the structure data to allow for artificial changes in the morphological characteristics – corresponding to actual variations in the fabrication process.
Alternatively, changes in the numbers of sentinel sites or in health seeking behavior may trigger artificial changes in specimen numbers.
