IRCT20200622047883N1 IRCT 2021-02-18 Mashhad University of Medical Sciences The effect of education based on the theory of planned behavior on the intention to be vaccinated against human papillomavirus HPV vaccine The effect of education based on theory of planned behavior on intention to vaccine against human papillomavirus in Female Students of Mashhad University of Medical Sciences 2021-02-28 anticipated 68 Complete https://irct.ir/trial/53798 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention, Randomization description: Sampling is available and random allocation in both groups is sealed through an envelope. N/A Human papillomavirus vaccination. Intervention 1: Intervention group: group training in 4 sessions, each session lasting at least 60 to 90 minutes with one session per week with content based on behavioral planning structures programmed to vaccinate against human papillomavirus including the prevalence and importance of human papillomavirus infection, symptoms, complications To this disease, risk factors, causes and ways of HPV infection, the effects and complications of the disease on various aspects of health and the importance of prevention, benefits and social norms related to HPV and its vaccine will be obstacles and solutions to solve it. The teaching method includes lectures, and for the structure of the attitude of question and answer and presentation of the educational package (containing the mentioned content and in line with the structure of mental norm and the importance of parents' opinion, educational pamphlet for mothers) will be implemented at the end of the first session. Intervention 2: Control group: the control group does not receive any training. they will receive the training package after completion of the study. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is because of confidentiality.