Horselenberg et al. (2003) conducted an experiment based on kassin and kieche (1996) in which the participant was falsely accused of striking a computer key that caused the data to be deleted. the earlier study showed that 69 percent of the participants were willing to sign a confession that they had struck the key. horselenberg’s study included a change in procedure where the signed confession included giving up part of the participation fee. what type of study was horselenberg’s?