Science & Engineering Research Support soCiety (SERSC)
In the practical application of crowdsourcing, some unreliable workers have emerged due to profit driven. Their results seriously reduce the quality and bring about the initiator's judgment biases. In this paper, the authors creatively put forward a crowdsourcing fraud detection method based on psychological behavior analysis to find out the spammer according to the psychological difference between deception and reliable behavior by means of Ebbinghaus forgetting curve. Furthermore, they constructed an online crowdsourcing experiment platform to verify the validity of their method.