Comparative Study of the effect of time duration of marijuana and heroin abuse on concept formation
The present study was conducted to assess the effect of time duration of heroin and marijuana abuse on concept formation in a comparative manner which based on a sample of 90 people from three different groups. This group represents the involvement of heroin and marijuana abuse in a different time periods that was 2 years, 4 years and 6 years. Purposive selection method was taken for allotment the subjects. . The responses of the subjects are measured and tabulated by standardized tests. The analysis of variance was used in the present study. The purpose of the study was to find out the causal relationship along with the difference between the time duration of heroin and marijuana abuse on concept formation and the results indicates that there was significant difference at 0.01level.