The phrase "appear to alter" is correct and usable in written English.
It can be used when discussing changes or modifications that seem to be happening or are perceived to be happening.
Example: "The results of the experiment appear to alter our understanding of the phenomenon."
Alternatives: "seem to change" or "seem to modify".
However, the presence of DIF did not appear to alter reliability and validity estimates.
Feelings of phoniness appear to alter people's goals in unexpected ways and may also protect them against subconscious self-delusions.
People appear to alter their speaking tempos unconsciously to match the speech patterns of those around them, a new study shows.
Media storms attacking the science of climate change have only a fleeting effect on the public's interest and do not appear to alter opinions, according to new research.
We can lose this first city through the erosions and effacements of development or decline - cities appear to alter more quickly than the countryside.
The research found that such operations appear to alter body chemistry, and eliminate or relieve conditions that can lead to heart attacks, stroke and kidney failure.
Both of those aspects of group composition appear to alter the social-comparison mechanism, but some aspects of group composition also alter the indispensability mechanism.
Formal training in epidemiology and biostatistics does not appear to alter these results.
Interestingly, postnatal cardiac TAZ deletion did not result in an obvious phenotype and did not appear to alter lifespan.
"Males appear to alter their mating tactics, based on their local chances of winning fights with rivals," says Huffard.
VET-students, in the beginning of their professional life, appear to alter their beliefs and assumptions about the characteristics of effective leaders.
