About the influence that presence of a crime experience gives to testimony communication

我们将一个没有犯罪经历的无辜者的证词与同一案件的真正罪犯的证词进行了比较。我们旨在澄清证言内容的差异和证言变更的过程。首先，我们调查了心理学领域的一个与忏悔相关的研究趋势，作为下一步研究的准备工作。通过调查，系统地阐明了供词的各种分析技术。在接下来的研究中，我们选择了审判案例，在调查中认罪的被告后来从其他证据中变成了无辜的。我们分析了一种与信任特征评价有关的判断。判断的重点是：供述的进展性、供述的变更性、供述的合理性、供述与客观证据的一致性。此外，我们提取了一个无辜的例子，其中在同一案件中存在无辜者的供述和真正罪犯的供述。在宇和岛案中，真正的罪犯在审判时出现，很明显被告是无辜的。因此，我们对宇和岛案调查阶段的书面陈述进行了分析。因此，在真正罪犯和无辜者的证词之间，关于犯罪的陈述内容出现了质的差异。例如，对案件核心点的陈述与真实罪犯的证词一致且详细。与此相反，通过无辜者的证词，在犯罪行为的圆周事项中可以看到陈述的一致性和细节。在此分析结果的基础上，我们考虑了犯罪嫌疑人/被告人和调查人员的证词生成过程，并澄清了犯罪经历的存在对证词传播的影响。

We compared testimony of an innocent person without a crime experience with that of the true criminal about the same case. We aimed to clarify differences of testimony contents and change process of testimony. At first we investigated a trend of a study in the field of psychology to relate to the confession, as preparations work of the next study. As a result of investigation, various analysis techniques of the confession were clarified systematically. In next study, we picked trial cases, in which the accused who had confessed crimes at an investigation became innocence later from other evidences. We analyzed a judgment to be concerned with trust characteristics evaluation of confession. There are important points for judgments : progress of confession, change of confession, rationality of confession, and agreement of confession with objective evidences. Furthermore, we extracted an innocent example, where there are confession of an innocent person and confession of the true criminal in the same case. The case was the Uwajima case that the true criminal appeared at the time of trial, and it became clear that the accused was innocent. Therefore we analyzed a written statement in an investigation stage of Uwajima case. As a result, between testimony of the true criminal and an innocent person, qualitative difference was seen in contents of statements about a crime. For example, a statement about core point of a case was consistent and detailed in testimony of the true criminal. In contrast with this, a statement consistency and details were seen in a circumferential matter in a crime act by testimony of an innocent person. On the basis of such an analysis result, we considered a testimony generation process of a suspect/the accused and an investigation official and clarified the influence that presence of a crime experience gave to testimony communication.