The purpose of this research was to investigate the effect of several intervention methods to solve some
childhood problems and then compare the methods with each other. For this purpose, the researcher used the method
of Targeted melodious games (rhythmic games), story therapy and cognitive games to investigate and compare their
effects on the three problems of separation anxiety, social incompatibility and sexual knowledge in preschool children.
. This research was done in two parts; In the first part, the validity and reliability of the questionnaire made by the
researcher on the sexual knowledge of preschool children was measured, and the second part was conducted
experimentally according to the purpose of the research. The community of this research was preschool children. To
carry out the first part of the research, 300 children between the ages of 60 and 84 months were randomly selected from
among the preschool children who were under the education of the preschools of Fouladshahr in the academic year
of 1401-1401, and they were tested to check the reliability and validity of the questionnaire, then from Among them,
180 children were used for interventions. To measure the separation anxiety variable of preschool children, the
multidimensional anxiety scale of March et al. was used, and to measure the social adjustment of children, the Iranian
children's social adjustment scale was used, the reliability and validity of which have been confirmed in previous
researches. Is. In order to measure sexual knowledge, the sexual knowledge questionnaire of preschool children was
used, which was designed by the researcher of the present study, and its reliability was calculated in the present study
using Cronbach's alpha and test-retest methods. and convergent validity was used, which confirmed the reliability and
validity of the questionnaire.In order to investigate the effect of Targeted melodious games, story therapy and
cognitive games on separation anxiety, social a