> I'm working with a researcher who is conducting experiments using turk, and he has a half-written shoddy version of what crowdflower offered
For doing research, I think Prolific [1] is a popular alternative.
They include features like pre-screening based on demographic features (including participants' approval rates in past studies) [2], and attention check questions [3].
For doing research, I think Prolific [1] is a popular alternative.
They include features like pre-screening based on demographic features (including participants' approval rates in past studies) [2], and attention check questions [3].
[1]: https://www.prolific.co
[2]: https://researcher-help.prolific.co/hc/en-gb/articles/360009...
[3]: https://researcher-help.prolific.co/hc/en-gb/articles/360009...