Recruiting participants for a linguistic experiment (30 dollars paid)

Looking for native American speakers in Gainesville (FL) to participate in a phonetic experiment (IRB approved).
Participants should not be familiar with any tonal languages such as Mandarin. You’ll hear some sounds and make judgements.
We can pay 30 dollars for 2.5 hours. Please contact Ms. Zhu yiqingzhu@ufl.edu
Thanks!