A Validation of the Subjective Vitality Scale Using Structural Equation Modeling |
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Authors: | Bostic Terence J McGartland Rubio Doris Hood Mark |
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Institution: | (1) Department of Psychology, College of Arts & Sciences, Saint Louis University, St. Louis, MO 63103, USA |
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Abstract: | Ryan and Fredericks (1997) measure of vitality, thesubjective feeling of being alive and alert, wasdeveloped in the context of a single factor analysis.The present investigation employed structural equationmodeling (SEM) to assess construct validity andutility of the new measure. A large sample (N = 526) wascollected in two waves, allowing the investigators tofurther develop the model proposed by Ryan andFrederick, and to then validate it on a second dataset. The final model is presented, and the process ofachieving that model is discussed, as are the relativestrengths of SEM in test development. |
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