human 15 Students 10 article 9 male 8 Computer aided instruction 7 Humans 7 female 7 adult 6 human experiment 6 learning 6 Article 4 COVID-19 4 Learning systems 4 controlled study 4 education 4 higher education 4 major clinical study 4 procedures 4 questionnaire 4 E-learning 3 Educational technology 3 Male 3 Online learning 3 Virtual reality 3 clinical assessment 3 learning environment 3 randomized controlled trial 3 skill 3 Adolescent 2 Child 2