Using the Robot-Assisted Attention-Engagement-Error-Feedback- Reflection (AEER) Pedagogical Design to Develop Machine Learning Concepts and Facilitate Reflection on Learning-to-Learn Skills: Evaluation of an Empirical Study in Hong Kong Primary Schools Topics: AI Literacy; Higher Order Thinking Skills In Proceedings of the 16th International Conference on Computer Supported Education - Volume 2: CSEDU, 155-162, 2024 , Angers, France