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Depending on the study design, it can actually be relatively cheap! Just use Amazon Mechanical Turk or Positly to get participants. Of course, some study designs would be 20x harder than others. I imagine that testing different self help interventions would be rather hard but smaller surveys would be really easy.
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Agreement karma indicates agreement, separate from overall quality.
Depending on the study design, it can actually be relatively cheap! Just use Amazon Mechanical Turk or Positly to get participants. Of course, some study designs would be 20x harder than others. I imagine that testing different self help interventions would be rather hard but smaller surveys would be really easy.