Prolific

Prolific connects you with paid academic and market research studies. It is consistently rated higher per-hour than ordinary survey sites because researchers must meet a minimum pay rate.

What members actually do: complete studies as they appear; availability varies by your demographic profile.

Realistic earnings: higher hourly rate than most survey sites, but study volume is the limiting factor.

Best for: people who want fair pay per study and do not mind waiting for studies to land.