Propiedades psicométricas del inventario de salud mental (MHI-38) en jóvenes universitarios de Lima Metropolitana
Date
2018-03-05
Journal Title
Journal ISSN
Volume Title
Publisher
Pontificia Universidad Católica del Perú
Abstract
El presente estudio tiene como objetivo estudiar las propiedades psicométricas del
Inventario de Salud Mental (MHI) en su versión original de 38 ítems creada por Clairice
Veit y John Ware en 1983. Para ello, se analizó la estructura interna del instrumento en
una población de 294 jóvenes universitarios (M = 21.7, DE = 2). A través de un análisis
factorial exploratorio (AFE) de componentes principales con rotación oblicua Promax,
se fijó cinco y dos factores a fin de observar si la composición dimensional de las subescalas
y escalas globales replicaba lo propuesto por la teoría y evidencia empírica
existente respecto a las dimensiones del MHI-38. Los resultados muestran una
composición multidimensional de cinco factores, de los cuales cuatro son similares a las
sub-escalas originales (Afecto General Positivo, Ansiedad, Depresión e Impulsividad) y
se reporta el hallazgo de la sub-escala Desesperanza. A su vez, a nivel bidimensional,
los factores encontrados corresponden a la distribución original de Bienestar y Estrés
Psicológico. Ambas escalas globales se relacionan entre sí indirecta y moderadamente.
Asimismo, la correlación de la Satisfacción con la Vida con el Afecto Positivo fue
moderada, mientras que con el Afecto Negativo fue alta. En los dos casos, las
correlaciones fueron directas. Para finalizar, la confiabilidad de las escalas globales es
de .90 y de las sub-escalas fluctúa entre .70 y .90.
The present study aims to validate the Mental Health Inventory (MHI) in its original 38- items version created by Clairice Veit and John Ware in 1983. For this purpose, the internal structure of the instrument was analyzed in a population of 294 university students (M = 21.7, DE = 2). Through an exploratory factorial analysis (EFA) of principal components with oblique rotation Promax, five and two factors were set in order to observe if the dimensional composition of the sub-scales and global scales replicated what was proposed by the theory and existing empirical evidence regarding the dimensions of the MHI-38. The results show a multidimensional composition of five factors, of which four are similar to the original sub-scales (Positive General Anxiety, Anxiety, Depression and Impulsivity) and the finding of the Hopelessness sub-scale is reported. In turn, at the two-dimensional level, the factors found correspond to the original distribution of Psychological Well-Being and Stress. At the same time, both global scales are indirectly and moderately related. Likewise, the correlation of Satisfaction with Life and Positive Affection was moderate, while with Negative Affection it was high. In both cases, the correlations were direct. Finally, the reliability of the global scales is .90 and the subscales fluctuates between .70 and .90.
The present study aims to validate the Mental Health Inventory (MHI) in its original 38- items version created by Clairice Veit and John Ware in 1983. For this purpose, the internal structure of the instrument was analyzed in a population of 294 university students (M = 21.7, DE = 2). Through an exploratory factorial analysis (EFA) of principal components with oblique rotation Promax, five and two factors were set in order to observe if the dimensional composition of the sub-scales and global scales replicated what was proposed by the theory and existing empirical evidence regarding the dimensions of the MHI-38. The results show a multidimensional composition of five factors, of which four are similar to the original sub-scales (Positive General Anxiety, Anxiety, Depression and Impulsivity) and the finding of the Hopelessness sub-scale is reported. In turn, at the two-dimensional level, the factors found correspond to the original distribution of Psychological Well-Being and Stress. At the same time, both global scales are indirectly and moderately related. Likewise, the correlation of Satisfaction with Life and Positive Affection was moderate, while with Negative Affection it was high. In both cases, the correlations were direct. Finally, the reliability of the global scales is .90 and the subscales fluctuates between .70 and .90.
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Keywords
Salud mental--Perú--Lima--Investigaciones, Estudiantes universitarios--Perú--Lima, Pruebas psicológicas, Psicometría (Psicología)
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