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Wellness Evaluation of Lifestyle (WEL Inventory) 

The Wellness Evaluation of Lifestyle, or WEL inventory (Myers et al., 1996) was developed to assess each of the individual characteristics in the theoretical Wheel of Wellness model. This instrument is not the same as the Five Factor Wellness Inventory, and there is no instrument with the name "five factor wellness evaluation of lifestyle."

Based on the Wheel of Wellness Model

The Wheel of Wellness model was disassembled to form 17 measurement constructs, one for each of the components within the four inner circles of the Wheel. The originally-combined life task of work and leisure was further divided based on preliminary factor analyses to form two separate constructs, thus resulting in 17 measured constructs, one corresponding to each of the individual components in Wheel model. The most recent version includes 123 items scored on a 5-point Likert-type scale. Scores are simple sums of responses divided by the total points possible; thus scores represent “percent of total wellness".

The WEL was developed and pilot tested as an iterative process. A series of seven studies were conducted over a ten-year period to field test items and to improve the psychometric properties of the reported scales (Myers, 1998; Hattie, Myers, & Sweeney, 2004). The 5F-Wel was developed based on this earlier research. Items and psychometrics differ between the WEL and 5F-Wel.

The WEL is available from Mindgarden, Inc.

Psychometric Investigations of the WEL

Test-retest reliability coefficients for the scales, established with a sample of 99 undergraduate students (Myers, 1998), ranged from 0.68 for cultural identity to 0.88 for nutrition. Internal consistency measures of reliability (i.e., a-coefficients, Cronbach, 1947) ranged from a low of .60 for the realistic beliefs scale to a high of .94 for friendship within a larger and more diverse sample of 2,295 adults across the lifespan.

Convergent and divergent validity were investigated by comparing scores on the various WEL scales to similar scales on instruments such as the Coping Resources Inventory (Hammer & Marting, 1987) and Testwell (National Wellness Institute, 1983).  Myers (1998) and Hattie, Myers, and Sweeney (2004) found that scores measuring conceptually similar constructs had high correlations (convergent validity) and scores measuring different constructs had lower correlations (divergent validity).

The WEL scales are not factors; the WEL has not been factor analyzed and the scales are based in the theoretical Wheel model. It is not accurate to use the WEL and try to report results based on the 5F-Wel factors. Those who do so are reporting data inaccurately and may present implications that are not accurate as well.

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