Suleman Shareef, lavanya, Lalitha, Lakshmi devi, Shravya, Jayalakshmi,

ABSTRACT

Introduction: Drug abuse has become a global phenomenon. It has affected almost every
country. It is estimated that at least 40 million people throughout the world are regular drug abuses. The period of adolescence, is a vulnerable period in the life of individual. OBJECTIVES: To assess the knowledge regarding effects of substance abuse and its preventionamong adolescent boys in pre-test. To identify the knowledge regarding effects of substance abuse and its prevention among adolescent boys in post-test. To compare the pre-test and post-test knowledge levels regarding substance abuse. To associate the demographic
variables of the adolescent boys with their pre-test and post-test knowledge levels regarding substance abuse. NULLHYPOTHESIS: H01- There is no significant difference in between the pre-test and post-test knowledge levels.H02- There is no significant difference in between the pre-test and post-test knowledge levels with demographic variables of adolescent boys. Materials and Methods: pre-experimental design (one group pre-test post-test). Results:The study findings revealed that majority of intermediate students in pre-test 66(66.0%) were having inadequate knowledge and in post-test 50(50.0%) were having adequate knowledge.

Key words: Substance Abuse and its Prevention, Video Assisted Teaching.

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