The word 'questionnaires' is correct and usable in written English.
You can use it when referring to a set of questions used to survey or gather information from a group of people. For example: "Participants in the experiment had to complete a set of questionnaires about their opinions on the topic."
Figures are usually based on impressionistic and subjective questionnaires rather than rigorous clinical evidence or diagnosis.
In some countries or economies (for instance, Macau was included separately because its education system differs from that of mainland China), questionnaires were also distributed to parents to garner information about their perceptions of their children's schools and career prospects.
A supposed consultation process, where citizens were sent questionnaires (when the document was essentially already finished), hardly lends the process legitimacy; only a popular referendum on the constitution could.
The grim forecast came as the first returning passengers from west Africa to Heathrow airport were asked to undergo temperature checks and questionnaires about their contacts with Ebola patients.
The study was based on questionnaires sent to 60 schools around England between 2012 and 2014, followed by visits from SRTRC.
"The local authority has confirmed their intention was to anonymise and then destroy the questionnaires," it said.
Typically a researcher team will go to a nightclub and hand out questionnaires to people, asking if they have taken a specific drug that evening, and inviting them to come to the lab the next morning for testing.
47% – the average estimate for the proportion of foreign-born people living in the UK The research was carried out by the charity Show Racism the Red Card (SRTRC) and based on questionnaires sent to more than 60 schools around the country from 2012 to 2014.
But I'm not sure I want to know what brain scans tell us about thin places, or how people respond to psychology questionnaires right after visiting the Grand Canyon.
Finally, this was supplemented by one of two questionnaires completed by schools, which countries could choose between – one focused on information and communication technologies, the other on the general background of a child's education to date.
Related: Hungary: Orbán wasteland | Editorial A staunch critic of west European multiculturalism and of immigration, Orbán is also disseminating 8m "questionnaires" in Hungary to claim a mandate for his tough anti-immigration policies.
