Description

The Gang Membership Inventory (GMI-15) is an assessment tool designed to measure individuals’ involvement in gangs. This tool helps identify individuals who are engaged with or in contact with criminal groups, providing information about the level of involvement and the conditions surrounding this involvement. It is primarily used in research studies, prevention and intervention programs, as well as clinical assessments.

Scope: The tool assesses various aspects of gang involvement, such as the frequency of involvement, the type of gang, and the activities related to the gang.

Dimensions: It includes questions regarding involvement in criminal activities, social interaction with gang members, and personal experience with gangs.

Data Analysis and Use

Data Interpretation: Analysis of scores to determine the level of gang involvement and related characteristics, such as the type of gang and the activities carried out.

Application: Results can be used to develop prevention and intervention strategies, understand the social dynamics of gangs, and support clinical diagnoses or research related to gang involvement.

Goal

The main goals of the Gang Membership Inventory (GMI-15) are:

Assessment of Involvement: To assess the level of an individual’s involvement in gangs, including related activities and relationships.

Understanding Behavior: To understand the factors contributing to gang involvement and the impact of this involvement on the individual’s life.

Intervention Strategies: To guide the development of intervention strategies and prevention programs aimed at reducing gang involvement and improving individuals’ living conditions.

Calibration

The calibration of the Gang Membership Inventory (GMI-15) includes:

Scores: Each question is rated based on the individual’s responses, typically using a Likert scale to assess the level of gang involvement.

Statistical Analysis: Data are analyzed to ensure the reliability and validity of the tool, with normalized data used to compare individual scores.

Normalized Data: Scores are compared with normalized data to interpret gang involvement relative to other individuals or groups.

Bibliography

Thornberry, T. P., & Burch, R. (1993). “The Role of Gang Membership in Adolescent Violence”.

Klein, M. W. (1995). “The American Street Gang: Its Nature, Its Role in Society, and Its Future”.

Sullivan, C. (2005). “Gang-Related Activity: A Case Study of Gang Membership and Its Consequences”.

Decker, S. H., & Van Winkle, B. (1996). “Life in the Gang: Family, Friends, and Violence”.

Warr, M. (2002). “Companionate and Instrumental Violence: The Case of Gangs”.