Acadamics say polls underestimate both the size of gay population and anti-gay sentiment

Illustrated rainbow pride flag on a white background.

Researchers have called into question the accuracy of surveys which detail the size of the gay population and peopleā€™s views on sexuality, suggesting they should be done anonymously in order to be more accurate.

A working paper, published this month by researchers from Ohio State and Boston Universities, showed non-heterosexuality and anti-gay sentiment are substantially underestimated in existing surveys.

The researchers from Boston say: ā€œIt is perceived as socially undesirable both to be open about being gay, and to be unaccepting of gay individualsā€.

By making the process anonymous, they believe the data collected will be more accurate.

They called this technique the ā€œVeiled Reportā€ method and asked questions about sexuality and LGBT issues to over 2,500 anonymous participants.

The experimental method increased the rates of anti-gay sentiment. When asked if they disapprove of having an openly gay manager at work, those in the Veiled Report group were more likely to answer ā€˜Yesā€™ than if they were asked directly.

It also increased the likelihood to be honest about non-heterosexual experiences. The share who have had a same-sex experience increased from 17% when asked directly to 27% when asked through the Veiled Report method.

The Pew Research Centre, an American think-tank, says the study does not ā€œattempt to draw its own conclusions about size of the LGBT population or public attitudes about it since the participants were not a random or representative sample of all adults 18 and olderā€.

Earlier this month, the Office for National Statistics found only 1.5% of adults in the UK identify as lesbian, gay or bisexual.

The ONSā€™ experimental data was criticised by the data editors at the Guardian and Twitter because of its social desirability bias: the tendency for people to not to reveal behaviours or attitudes that they fear may be viewed as outside the mainstream.

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