Study of bias-effect of presenting evidence and its procedural control

(1)通过对国内法、判例、学说和美国法的比较，可以看出，在讯问证人时，通过使用视觉辅助工具或出示陈述或文件，对证人产生不公正的偏见效果的程序控制规则，可以提出几种观点。(2)在第14届法律与心理学会会议上，召开了“审判中的陪审团审判与不合理量刑”专题讨论会，从心理学和司法学的角度分析了量刑偏差产生的原因，以及通过上诉法院对其进行控制。此外，在审判中，关于控制量刑偏见的问题也得到了彻底的解决。

(1) several views were able to be shown through comparison of the domestic law, judicial precedents, theories, and American law about the theme concerned about the rules of the procedural control against unjust bias-effects to a witness by using visual aids or presenting statements or documents in the case of examinating the witness.(2) At the 14th conference of the society of law and psychology, a symposium "saiban-in (quasi-jury) trial and unreasonable sentencing" was hold, and causes which produce sentencing biases, and its control through the appeal court were analyzed from psychological and judicial viewpoints. In addition, issues were able to be overhauled about the control of the sentencing biases in the saiban-in trial.