This study aims to determine the effect of the application of self-assessment-based affective assessment instruments on the improvement of the Pancasila Student Profile at SMPN 1 Indralaya Utara. This study uses a pre-experimental design research in the form of a one-group pretest-posttest design. The population of this study was all VII graders of SMP Negeri 1 Indralaya Utara with a research s…