<![CDATA[The abstract nature of mathematics concepts and limited class time are key factors contributing to low conceptual mathematics learning outcomes. This issue is evident among eleventh-grade students at SMA Negeri 4 Singaraja, who have difficulties in learning abstract topics such as trigonometry. This study investigates the effect of implementing Mobile Seamless Inquiry Media (MoSIM), a digital learning strategy designed to support Inquiry-Based Learning (IBL) anytime and anywhere, on students’ conceptual mathematics learning outcomes. A quasi-experimental pretest-posttest non-equivalent control group design was employed, involving 185 eleventh-grade students selected from a population of 301 students at SMA Negeri 4 Singaraja using cluster random sampling. Conceptual learning outcomes were measured using a validated multiple-choice test and analysed through one-way ANCOVA. The results revealed a statistically significant difference between students taught using the MoSIM strategy and those taught using conventional strategies (F = 5.84, p = 0.01). Students who learned through MoSIM achieved higher adjusted post-test scores (M = 80.03; SE = 1.03) compared to those who learned through conventional strategies (M = 76.57; SE = 0.99). These findings recommend the integration of MoSIM into digital era learning environments to enhance students’ conceptual mathematics learning outcomes, especially in complex and abstract topics like trigonometry.]]>
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