Resumen

ZEGERS PRADO, Beatriz; ROJAS-BARAHONA, Cristian  y  FORSTER MARIN, Carla. Validity and Reliability of the Neugarten, Havighurst & Tobin's Life Satisfaction índex (LSI-A), in a Sample of Adults and Older Adults in Chile. Ter Psicol [online]. 2009, vol.27, n.1, pp. 15-26. ISSN 0718-4808.  http://dx.doi.org/10.4067/S0718-48082009000100002.

The findings of a research aimed to estimate reliability and validity of The Life Satisfaction index (LSI-A) of Neugarten, Havighurst & Tobin (1961; 1996) are presented. The sample consisted of 473 adults from 30 to 75 years (male and female) from Metropolitan Region of Santiago, Chile, distributed into three levels of income, age groups and educational levels. The content, concurrent and construct validity of the instrument was estimated, defining five factors accounting for 50.62% of the variance. The reliability with Cronbach's alpha was 0.80 for the full sample, the index ranged between 0.77 to 0.83 depending on age, between 0.77 and 0.81 according to educational level and between 0.74 and 0.83 depending on income level, no changes were observed by sex (0.80).

Palabras llave : Life-satisfaction; older-adult; subjective welfare; validation.