Hot new feature: invoice request 💸

You asked, we listened! 👂 As a researcher on Prolific, you can now request an invoice before topping up your account and launching a study. What this means is that if your study is funded by your university or company, you can now easily forward the invoice to the relevant department,…

Calling all researchers! Give £80. Get £40. 😎

How about a splash of cool in this dreadful heatwave? As a Prolific researcher, you can now get free credits by helping spread the word about Prolific! With our new referral scheme up and running, now is the perfect time to invite colleagues and friends to try out Prolific 😉 So…

We are moving to prolific.co!

After more than five years of companionship with prolific.ac, we are officially migrating to prolific.co, our brand new domain! Fear not, you do not need to do anything, and you will always be redirected to prolific.co should you visit our old domain by habit. 😉 With this change,…

Representative Samples Tool is Officially Live!

Our representative samples tool is now out of beta and live to everyone! 🎉 This means you can collect a census representative sample from the US or UK with a single click. You can do this by creating a new study, setting your desired sample size and selecting 'representative sample' at…

Tips For Reducing Common Method Bias

by Isabella de Vries A concern that often arises among researchers who run studies with single-source, self-report, cross-sectional designs is that of common method bias (also known as common method variance). Specifically, the concern is that when the same method is used to measure multiple constructs, this may result in…