Be Cautious With Mentioning Financial Compensation in Web-Based Advertising
Web-based advertising is often used in remote research to direct potential participants to surveys [However, advertising that financial compensation is available can invite participant deception, as in our case. A previous study investigated participation rates with and without financial incentives and reported that participation from nonunique IP addresses (so suspected duplication) was 6 times higher when an incentive was advertised compared to when it was not [Response rate can be impacted by the amount of incentive, with an increase of US $5 resulting in a higher screener response rate recorded (29.9% vs 22.7%) [Other studies have reported no additional impact of the inclusion of an incentive compared to participants without an incentive [