the aim of this study was to determine the effect of a school- based educational program regarding hiv/aids and the knowledge held by the high school students. this quasi-experimental study was conducted with 230 high school students (grade 10-12 female, male). teaching aids used for this intervention was a combination of three methods including lectures, showing an educational movie and pamphl...

aims: the dramatic increase of smoking in adolescents has become one of the major challenges in most countries and it needs further consideration. the aim of this study was to determine the smoking prevalence and some related factors among high school students. instrument & methods: this descriptive, cross-sectional study was done in 2012-13 academic year in male and female high school students...

the phenomenon of how tests influence teaching and learning is commonly described as “wash back”in language instruction. literature indicates that wash back effect is a complex concept that becomeseven more complicated under different interpretations of the wash back phenomenon in teaching andlearning. in the present study, some definitions of wash back and its two major types were introduced,a...