**5. Screening**

In terms of diagnosing gambling disorder, there are multiple instruments utilized, such as South Oaks Gambling Screen (SOGS); Massachusetts Gambling Screen (MAGS); Gamblers Anonymous 20 Questionnaire; The Problem Gambling Severity Index-PGSI; The Inventory of Gambling Situations (IGS); The Gambling Related Cognition Scale; The Composite International Diagnostic Interview (CIDI); and The Structured Clinical Interview.

*South Oaks Gambling Screen* (SOGS) was developed by Lesieur and Blume [18], and it contains 20 items which correlate with the criteria of the diagnostic for the pathological gambling from DSM-IV; the advantage of SOGS is the ease with which it is administered and the way of scoring, as well as the fact that proved useful with diagnosing the pathological gambling for both teenagers and adults.

Massachusetts Gambling Screen (MAGS) [19] is an easily administrable and markable questionnaire that can be used for both teenagers and adults, and it utilizes the criteria of DSM IV for the diagnosis of the pathological gambling; a score of minimum 5 permits the adjustment in the pathological game of chance.

*Gamblers Anonymous 20 Questionnaire* [20] is a more extensive questionnaire with 20 questions, which the gamblers can self-manage in order to establish whether they possess an addiction problem or not.

*The Problem Gambling Severity Index* (PGSI) [21] represents an instrument which comprises a number of nine items with whose help any person can self-evaluate the severity of their pathological gambling.

*The Inventory of Gambling Situations* (IGS) [22] represents an identifying instrument identify for the situations, where a person presents a risk of compulsive gambling and comprises a number of 63 items, which represent just as many possible situations in which someone could gamble excessively.

*The Gambling Related Cognition Scale* [7] is a questionnaire with 23 items, which help the participant to self-evaluate their irrational beliefs related to games of chance, and the items are divided in five subsections: interpretative biases referring to the capacity of controlling the game; the illusion of control; the prediction of control; nonrealistic expectations tied to gambling; and the inability to stop gambling.
