The phrase "affect the impression of" is correct and can be used in written English.
It means to change or influence the way someone perceives or thinks about something. Example: The way you dress and present yourself can greatly affect the impression of your professionalism in the workplace.
What's not old but unprecedented is how on the technical side we receive images, a factor that may partly affect the impression of moral downward mobility.
As for Mr. Clinton's jabs at Senator Obama, "it's not going to affect the impression of him, not in the black community or not outside the political offices among the general people," Ms. Wilson said.
Thus, if another characteristic in this list was changed between two subjects, such as manipulating the words "polite" and "blunt", instead of the words "warm" and "cold", it would not affect the impression of the person as much as did "warm" and "cold".
The possibility of drawing comparisons (negative or positive) with outside experience may possibly affect the impression of educational climate in medical studies, leading to higher (or lower) expectations.
McNamara thoughtfully points out how television can significantly affect the impressions of viewers as to politicians seen on the tube.
A: I think it's more about a few bad apples affecting the impression of the overall good work at NSF.
"It might affect the impressions you have of others, and that could feed into the basis of your relationship with them from then on," said Schiller.
But community leaders accept that homelessness and the perception of criminality affected the impression many have of Romanians in the UK.
The results show that different color and lighting conditions significantly affect both the impression of space and perception of retail identity.
Furthermore, implant angulation affected the impression accuracy.
Apple's iPhone 5s still feels great in the hand, with a screen size that doesn't preclude single-handed use for people with average- to large-sized mitts, but the small change from a concave home button to a flat one definitely affects the overall impression of using the device.
