1. Aesop, Jones, V.S.V., Rackham, A., Chesterton, G.K.: Aesop’s Fables: A New Translation. W. Heinemann, Portsmouth (1933)
2. Aist, G., Kort, B., Reilly, R., Mostow, J., Picard, R.: Experimentally augmenting an intelligent tutoring system with human-supplied capabilities: adding human-provided emotional scaffolding to an automated reading tutor that listens. In: Proceedings of Fourth IEEE International Conference on Multimodal Interfaces, pp. 483–490. IEEE (2002)
3. Alemdag, E., Cagiltay, K.: A systematic review of eye tracking research on multimedia learning. Comput. Educ. 125, 413–428 (2018)
4. Alexander, K.L., Entwisle, D.R., Dauber, S.L.: First-grade classroom behavior: its short-and long-term consequences for school performance. Child Dev. 64(3), 801–814 (1993)
5. Andersen, J.F.: The relationship between teacher immediacy and teaching effectiveness. Ph.D. thesis, ProQuest Information & Learning (1979)