Resumen

DEL RIO OLVERA, Francisco Javier; CABELLO SANTAMARIA, Francisco; CABELLO GARCIA, Marina A.  y  ARAGON VELA, Jerónimo. State Trait Anxiety Inventory (STAI): Psychometric Analysis and Functioning in a Sample of Drug Addicts and Controls. Univ. Psychol. [online]. 2018, vol.17, n.1, pp.80-89. ISSN 1657-9267.  https://doi.org/10.11144/javeriana.upsy17-1.caer.

This investigation intends to assess the psychometric properties of the questionnaire STAI in a sample of drug abusers versus a non-clinic sample. It was carried out a sampling for conglomerates in 28 treatment centers for addiction, distributed in 27 Spanish provinces. The sample was composed by 1054 subjects who had a history of substance use and 211 with no history of substance abuse. The analysis of reliability showed an internal appropriate validity. The items analysis shows the necessity to revise two items when the questionnaire is used with drug abusers population. The results show that people with a history of consumption obtained a higher mean score than those who had not used substances, women obtained a higher mean score than males, and that people who had used depressants obtained a score higher than those who had consumed stimulants. The differences were statistically significant.

Palabras clave : STAI; drugs; psychometric analysis; conglomerates.

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