Psychology of the testimony in the credibility, credibility and reliability of the testimonial statement of the minor victim in criminal proceedings for rape, Iquitos 2018 had the general objective of determining how the Psychology of the Testimony explains the credibility, credibility and reliability of the testimonial statement of the victim, a minor, in criminal proceedings for rape in Iquitos, 2018. The research was mixed (consisting of a qualitative and quantitative variable) whose correlation between the variables of the general hypothesis was estimated by applying the chi square test. The research design used was Research-Action. The Documentary Analysis and the Survey were used as techniques for the systematic collection of data in the investigation. The results were that there was no significant relationship between the application of the psychology of testimony and the determin...