The phrase "advertisements were used" is correct and usable in written English.
It can be used when discussing the role or function of advertisements in a particular context, such as marketing strategies or research studies.
Example: "In the study, advertisements were used to gauge consumer reactions to new products."
Alternatives: "ads were utilized" or "commercials were employed".
Advertisements were used to recruit healthy adult migraineurs with a history of motion-sickness susceptibility who had previously used triptans without adverse effects.
Local newspaper advertisements were used to recruit infants and their families.
By contrast, in a recent report from the same region of Sweden in which advertisements were used to recruit participants for a similar lifestyle intervention program, only 16%% of eligible individuals agreed to participate [46].
Newspaper advertisements were used to recruit participants from the local community.
No advertisements were used for recruitment, and no incentives or rewards were offered for participation.
Advertisements were used to invite people >18 years of age from the general population to participate in the study.
Exposure to tobacco and non-tobacco advertisements was measured at baseline with images of six tobacco and eight non-tobacco advertisements; students indicated the number of times they had seen each ad and the sum score over all advertisements was used to represent inter-individual differences in the amount of advertising exposure.
Advertisements are used to attract customers to a business' products or services.
Audio samples of professor Stephen Hawking, originally recorded for a BT television advertisement, were used in "Keep Talking"; Gilmour was so moved by Hawking's sentiment in the advert that he contacted the advertising company for permission to use the recordings on the album.
In a new advertisement being used in New Hampshire, Dr. Dean says that with 130,000 American troops in Iraq, "the best my opponents can do is ask questions today that they should have asked before they supported the war".
The advertisement was used in Iowa against Sen. Ted Cruz and now Donald Trump is bringing it back with a twist to note a new nickname he's bequeathed on his chief rival: "Lyin' Ted".
