adult human 23 female 22 male 21 article 13 Humans 12 human experiment 12 controlled study 11 Adult 9 learning 8 Female 7 Male 7 problem based learning 6 Article 5 clinical article 5 education 5 machine learning 5 questionnaire 5 Middle Aged 4 Problem-Based Learning 4 curriculum 4 major clinical study 4 middle aged 4 problem solving 4 Problem Solving 3 Young Adult 3 child 3 deep learning 3 learning environment 3 medical education 3