how do you compare awareness and knowledge on hbi what is pre presentation data analysis when should students be aware of hiv what can you compare the knowledge in pre and post-presentation data analysis does awareness of hiv increase is awareness of hiv increased in pre- and post presentation how many students completed the pre and post presentation questionnaire on hiv/aids how does knowledge of hiv increases when does awareness increase after hiv presentation? when should student's awareness be increased how many people completed the research after a presentation on hiv what are the effects of hiv exposure when does hiv awareness increase what is the effect of a presentation on student learning of hiv? how do we compare the effects of aids on student's knowledge? what is post presentation awareness for hiv can the public understand hiv how does awareness about hiv increase does hiv awareness increase how is understanding of hiv affected by the presentation of a presentation better