“…It indicates that the distribution of effect size data in the funnel plot was symmetrical (Nugraha & Suparman, 2021;Nurjanah et al, 2020). Moreover, six documents reported that the use of Cabri 3D had a strong positive effect on the students' mathematical academic outcome (Adirakasiwi & Warmi, 2018;Hendriana et al, 2019;Kariadinata et al, 2019;Marlena & Nugrheni, 2019;Saumi & Amalia, 2018;Widiastuti & Kurniasih, 2021). However, two documents reported that the use of Cabri 3D had a weak positive effect on the students' mathematical academic outcomes (Ma'sum et al, 2016;Natalliasari & Mulyani, 2017).…”