“…In the same vein, Crescenzi‐Lanna (2020) conducted a systematic literature review on MMLA studies with children under six years and analysed the selected contributions based on the degree of performance analytics (students’ understanding and engagement), use of machine learning, use of eye‐tracking, Kinect, biometrics, human‐coded quantitative and qualitative data. The results indicated that, despite its complexity and the various ethical and practical challenges they may lead to (eg, ethical considerations for the participation of children, parental involvement, potential surveillance issues), multimodal data have valuable contributions on the performance of analytics and face and speech recognition systems in the context of supporting young children’s’ learning.…”