Impulsivity In SUD Research

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Impulsivity plays a crucial role in the understanding and diagnosis of many psychopathologies including Substance Use Disorder (SUD). Therefore, careful measurement of impulsivity is of great importance to researchers and clinicians studying SUD. The objective of this essay was to critically evaluate the efficacy and relationship between three common self-report measures of impulsivity in SUD research and diagnosis. This paper highlights the different definitions of impulsivity used within each of these scales and assesses whether they are measuring the same construct. Research revealed that BIS-11, I7 and BIS/BAS scales are highly correlated with each other, indicating that despite their differences in definitions all of these scales are …show more content…

They are particularly useful when the participant has insight into their own feelings, behaviour and thoughts (Cyders & Coskunpinar, 2011). The BIS-11 is the most commonly used self-report measure of trait impulsivity in SUD research (Patton & Stanford, 1995). In BIS-11, impulsivity is conceptualised as a tendency to respond to internal or external stimuli in a reckless fashion without any consideration to the consequences (Patton & Stanford, 1995). BIS-11 includes 30-items, with three subscales-motor impulsivity (acting without thinking), cognitive impulsivity (making fast cognitive-decisions) and non-planning impulsivity (lack of concern about the future) (Patton & Stanford, 1995; Stanford et al., 2009). The second most-widely used scale for studying impulsivity in SUD is I7. It includes 54-items and incorporates the risk-taking dimension of impulsivity in its measurement. I7 defined impulsivity as a characteristic of people who act on the spur of the moment without being aware of the risk involved (Eysenck, Pearson, Easting & Allsopp, 1985). It consists of three subscales; Impulsiveness (behaving without thinking and considering consequences), Venturesomeness (unnecessary risk-taking) and Empathy (Miller, Joseph & Tudway, 2004). The last scale commonly used to measure impulsivity in SUD research …show more content…

Social-desirability is when participants give answers on questionnaires they deem socially acceptable rather than answers that truly reflect their personality and this phenomenon can sometimes act as a confounding variable (McDonald, 2008; Paulhus & Vazire, 2007). Aforementioned, self-report measures only analyse an individual's general behaviour over-time, not their response in particular situation. Therefore, to measure this type or state-like impulsivity, behavioural or laboratory measures are required (Reynolds, Ortengren, Richards & Wit,

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