The Barratt Impulsiveness Scale (BIS) is a widely used measure of impulsiveness. It includes 30 items that are scored to yield six first-order factors (attention, motor, self-control, cognitive complexity, perseverance, and cognitive instability impulsiveness) and three second-order factors (attentional, motor, and non-planning impulsiveness). [1]
The BIS is the most widely used self-report measure of impulsive personality traits. [2] As of June 2008, Web of Knowledge (an academic citation indexing and search service) tallied 457 journal citations of the 1995 article which defined the factor structure of the 11th version of the Barratt Impulsiveness Scale. Although initially developed in the United States, [1] the BIS-11 has been applied widely around the world, including Australia, [3] Belgium, [4] Brazil, [5] Canada, [6] China, [7] Estonia, [8] France, [9] Germany, [10] Greece, [11] Israel, [12] Italy, [13] Japan, [14] Korea, [15] Netherlands, [16] Scotland, [17] Spain, [18] Switzerland, [19] Taiwan, [20] Turkey,[ citation needed ] and the United Kingdom. [21]
The first version of the scale, the BIS-1, was released in 1959. [22] The current version, the BIS-11, was released in 1995. [1]
The BIS-11 is a 30-item self-report questionnaire that is scored to yield a total score, three second-order factors, and six first-order factors. The questions are published in the 1995 references article. The following is a list of the items contributing to each factor score. [2]
Second-order factors | Item content |
---|---|
Attentional: | 5, 6, 9*, 11, 20*, 24, 26, 28 |
Motor: | 2, 3, 4, 16, 17, 19, 21, 22, 23, 25, 30* |
Nonplanning: | 1*, 7*, 8*, 10*, 12*, 13*, 14, 15*, 18, 27, 29* |
First-order factors | Item content |
---|---|
Attention: | 5, 9*, 11, 20*, 28 |
Motor: | 2, 3, 4, 17, 19, 22, 25 |
Self-Control: | 1*, 7*, 8*, 12*, 13*, 14 |
Cognitive Complexity: | 10*, 15*, 18, 27, 29* |
Perseverance: | 16, 21, 23, 30* |
Cognitive Instability: | 6, 24, 26 |
Patton et al. reported internal consistency coefficients for the BIS-11 total score that range from 0.79 to 0.83 for separate populations of under-graduates, substance-abuse patients, general psychiatric patients, and prison inmates. [1]
Short versions of the BIS-11 have been developed. The BIS-15 developed by Spinella [23] includes 15 of the original 30-item BIS-11 and has been used in several other languages such as German, [24] Spanish, [25] French, [26] Thai, [27] and Kannada. [28] There is also an Italian version who has been labelled BIS-15 developed by Maggi and colleagues [29] but shares only 12 items with Spinella's BIS-15. [30] The BIS-Brief includes eight items of the original 30-item BIS-11. [31]
In psychology, trait theory is an approach to the study of human personality. Trait theorists are primarily interested in the measurement of traits, which can be defined as habitual patterns of behaviour, thought, and emotion. According to this perspective, traits are aspects of personality that are relatively stable over time, differ across individuals, are relatively consistent over situations, and influence behaviour. Traits are in contrast to states, which are more transitory dispositions.
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