PENGARUH COOPERATIVE PLAY TERHADAP REAKSI LANGSUNG SIBLING RIVALRY PADA ANAK USIA PRASEKOLAH DI DESA CANGKRING KECAMATAN JENGGAWAH KABUPATEN JEMBER

Abstract

The background of this research is an existence of sibling rivalry’s phenomenon among preschool siblings that followed by the advent of direct reaction in verbal or non-verbal aggression. Cooperative play is ones of method that can reduce conflict among siblings with improving cooperative and to complete mission together. Cooperative play carried out regularly for eight sessions during two weeks. The goal of this research was to identify the difference of sibling rivalry’s direct reaction before and after the granting of intervention in experiment group and control group. The design of this research was quasy experimental with pretest and posttest. The respondents of this research were a pair of preschool siblings which has 3-6 years old’s age range. Sample techniques used in this research was purposive sampling. Sample of this research was 30 pair of siblings that devided into two group with 15 pair of siblings in experiment group, and another in control group. Data was analyzed by Mann Whitney U-Test. Result shown that there was a significant influence on sibling rivalry’s direct reaction before and after the granting of cooperative play’s intervention with p value = 0,031. The research suggestion is the application of cooperative play to reduce sibling rivalry’s reaction among preschoolers.