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Table 2 Types of incentives used in veterinary clinical study recruitment and retention

From: A CTSA One Health Alliance guidance on institutional review of veterinary clinical studies

Type of incentive


Reimbursement for expenses incurred

Payment for an owner to travel to hospital visits associated with the research study, costs of screening tests or other medical expenses

Incentives to encourage a desired behavior

Prize lottery for completing an online questionnaire

Cash or cash-like rewards

Vouchers, money, gift cards

Social, emotional or tokenistic rewards

Donation to a charity, gift