Vj. Fortunato et Ef. Stone-romero, Taking the strain out of negative affectivity: Development and initial validation of scores on a strain-free measure of negative affectivity, EDUC PSYC M, 59(1), 1999, pp. 77-97
The purpose of the present study was to validate a measure of negative affe
ctivity (NA) that does not contain strain content: The Strain-Free Negative
Affectivity (SFNA) scale. A 33-item Likert-type scale was developed based
on the negative emotional reactivity component of Watson and Clark's consti
tutive definition of NA and was administered to two separate samples (ns =
225 and 281, respectively) of college students (ages 18 to 46), along with
several extant measures of NA. Five items eventually were removed from the
scale. Results from both studies support the construct validity of the SFNA
scores, indicating support for the SFNA as a worthy alternative to extant
measures of NA, especially in research examining stressor-strain relations.