The purpose of the study was to evaluate the effect of the children’s researcher program on the improvement of investigative skills in third grade primary school students at the Nuestra Señora de Loreto Educational institution, Iquitos 2024. The study was evaluative, with a quasi-experimental design, with pre and posttest, composed of a single experimental group of 33 students from section D selected, to whom the program was given. They used a survey methodology and administered a performance test, which was verified by specialists. Findings indicate that students first obtain a degree of research competency as part of their initial certification However, with the implementation of the program, students improve their research skills, allowing them to observe and create research effectively, ultimately leading to higher levels of achievement. The student’s population exhibited highli...