Despite the wide-spread use of Subjective Units of Discomfort Scales, or SUDS, to measure anxiety to specific stimuli, little information has been published on the validity of such scales and even less on their use as global measures of emotional and physical discomfort. Data was examined for 182 consecutive admissions to a psychology clinic to determine the relationship of self-rating of emotional and physical discomfort to one another and of the emotional self-rating to the clinician rating of general functioning (GAF). As expected, patients' ratings of their emotional discomfort were significantly higher than ratings of their physical discomfort (t = 9.077, p < .001). Emotional SUDS were significantly and negatively related to clinicians' GAF ratings (r = - 0.439, p < .001), indicating that the two ratings measured related global constructs. Data for the 53 patients who also completed the MMPI-2 was drawn from the larger sample to determine the nature of the relationship between SUDS and two measures of general emotional distress, with patients' SUDS significantly related to both the A scale (r = 0.351, p < .05) and the neurotic index (r = 0.366, p < .01). Finally, there was a significant decrease in the emotional SUDS (t = 4.686, p < .001) but not the physical SUDS (t = 0.788, p = .434) after 3 months of psychotherapy. The data supports SUDS as global measures of both physical and emotional discomfort.
Punishment with aromatic ammonia was used to eliminate self-injurious behavior of an autistic woman during experimental sessions. The effects were reversible but were limited to experimental sessions until staff used the ammonia on the ward at all times.
To determine which of three published models best characterizes the factor structure of the
Análisis factorial confirmatoria de la versión portuguesa de la Depression Anxiety Stress Scale-21El objetivo de este estudio fue determinar cual de los tres modelos publicados mejor caracteriza la estructura factorial de la versión portuguesa de la Depression Anxiety Stress Scale-21 (DASS-21) y evaluar su validez y confiabilidad. Se compararon los tres modelos a través de análisis factorial confirmatoria de la DASS-21, aplicada el 1.297 pacientes adultos, del servicio de atención básica (66,7% mujeres; edad Media=48,57 años). La relación entre la DASS-21 y la Positive and Negative Affect Schedule (PANAS) también fue analizada. El modelo de tres factores correlacionados se ajusta mejor a los datos. La escala presentó buena consistencia interna con valores alfa observados en las subescalas, variando de 0,836 a 0,897. La correlación con la PANAS fue positiva y comedida con la escala de afecto negativa, y negativa y limitada con la escala de afecto positivo. Esos resultados corroboran la estructura de tres factores. La prueba presentó confiabilidad adecuada y validez de constructo, dando soporte a su uso para rastrear pacientes portugueses en el servicio de atención básica.
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