article 8 controlled study education female 8 human 8 human experiment male adult 6 Humans 5 Female 4 Male 4 child 4 major clinical study 4 questionnaire 4 randomized controlled trial 4 procedures 3 Adult 2 Computer-Assisted Instruction 2 Educational Measurement 2 Health Knowledge, Attitudes, Practice 2 Oral Health 2 analysis of variance 2 attitude to health 2 clinical article 2 clinical assessment 2 comparative study 2 health 2 learning 2 satisfaction 2 teaching 2