“…Although research also provides increasing evidence that ET can be an effective tool for supporting early mathematical development [8], a recent and comprehensive systematic literature review synthesizing this growing body of evidence is currently lacking. Previous literature reviews on the topic suffer from several theoretical and methodological weaknesses as they are outdated, especially taking into account the evolutions in ET applications (i.e., [9,10]), focus on a specific subgroup of children (i.e., [11,12]), are not systematically conducted, and thus, not comprehensive (i.e., [9,10,12,13]), and do not take into account differences in the study designs, especially with respect to the activities that were conducted in the control conditions [9,10,11,12,13,14]. We aimed to address these weaknesses by conducting a systematic and comprehensive literature review on the effectiveness of ET for stimulating children's development in the domain of early mathematics, with explicit attention for the insights coming from media comparison studies versus value-added studies in the domain.…”