We conducted a theoretical and psychometric evaluation of self-determination theory's "relative autonomy continuum" (RAC), an important aspect of the theory whose validity has recently been questioned. We first derived a Comprehensive Relative Autonomy Index (C-RAI) containing six subscales and 24 items, by conducting a paired paraphrase content analysis of existing RAI measures. We administered the C-RAI to multiple U.S. and Russian samples, assessing motivation to attend class, study a major, and take responsibility. Item-level and scale-level multidimensional scaling analyses, confirmatory factor analyses, and simplex/circumplex modeling analyses reaffirmed the validity of the RAC, across multiple samples, stems, and studies. Validation analyses predicting subjective well-being and trait autonomy from the six separate subscales, in combination with various higher order composites (weighted and unweighted), showed that an aggregate unweighted RAI score provides the most unbiased and efficient indicator of the overall quality of motivation within the behavioral domain being assessed.

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Self-control is one’s ability to control one’s own behavior and emotional expression, to react to external events in a deliberate manner, and to interrupt actions motivated by undesirable impulses or affects. We present two studies aimed to validate a Russian-language version of the 13-item Brief Self-Control Scale by J.P. Tangney, R.F. Baumeister and A.L. Boone in samples of employees (N=591) and students (N=328). Confirmatory factor analysis supported a one-dimensional structure. The scale shows high internal consistency (alpha 0,79-0,84) and predictable associations with self-report and objective indicators of current and future academic and work performance. Self-control is positively associated with positive functioning (i.e., intrinsic motivation, goal-setting, persistence, conscientiousness, hardiness, productive coping strategies, optimistic attributional style, self-efficacy), emotional stability, and subjective well-being. These associations hold when social desirability is controlled. The results suggest that self-control is an important personality and motivational resource which results in higher performance and psychological well-being.

We conducted a psychometric evaluation of the "relative autonomy continuum" postulated by Selfdetermination theory (SDT), a continuum whose validity has recently been questioned. We started by a) examining all of the RAI items we could find, across multiple published and unpublished scales; b) extracting the core repeating words and concepts via paired-item paraphrase analysis; and c) expressing all of the resulting concepts in 38 simple, clear new items. We administered the 38 items to multiple Russian and American samples, asking participants to rate their academic motivations. Initial psychometric analyses eliminated several items, leaving 35 items for analysis.The traditional RAI dimensions of amotivated, external, introjected, identified, and intrinsic were confirmed via confirmatory factor analyses, simplex congruency analyses, and multidimensional scaling (MDS) analyses. We also tested a sixth dimension first proposed by Assor, Vansteenkiste et al. (2009), positive introjection, and confirmed its location between negative introjection and identification on the relative autonomy continuum. In addition to confirming the predicted sequence of the items and the six subscales along a primary dimension, MDS analyses also identified a second dimension corresponding to the distance of the item from the center of the continuum, suggesting that using weighting procedures when constructing aggregate motivation scores may be justified. In an attempt to provide the field with a standardized relative autonomy index (SRAI) with known properties, that can be flexibly applied to assess motivation in any and every behavioral domain, we empirically compared several methods of scoring and analyzing the data, focusing on maximizing the associations between academic motivation and subjective well-being. These scoring methods included computing and analyzing each of the six subscales separately; computing and analyzing autonomous and controlled motivation separately; computing a relative autonomy score (autonomous minus controlled motivation); and computing relative autonomy scores in which greater weight is given to subscales nearer to the two extremes of

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How one perceives one's own level of autonomy has important consequences for motivational features of goal pursuit and well-being during this process. We tested the hypothesis, inspired by Self-Determination Theory, and the Self-Concordance model, that pursuit of self-concordant goals, emanating from autonomous motivation results in an increase of well-being. This study employed a prospective design assessing several variables related to the goal: intended effort, actual effort, and progress in achieving. In accordance with the self-concordance model, these variables mediated the influence of the autonomy of the goal on well-being during the process of achievement. We replicated the model using SEM methodology, on both the US (N = 200) and the Russian (N = 410) samples. The additional modifications we made in the model kept the main logic of the previous research. Implications and future directions are discussed.