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The aim of the study was to evaluate the factor analysis and internal consistency of
a Persian version of the Athletes’ Retirement Decision Inventory (P-ARDI).
Fernandez et al. (2006) developed this instrument based on the push, pull, antipush,
and anti-pull point of view. We required 243 Iranian elite competitive athletes
(mean age = 25.19 years; 81% male) to complete the questionnaire. The factor
structure of the P-ARDI was evaluated by explanatory and confirmatory factor
analysis. The internal consistency was determined by Cronbach’s alpha. According
to the results, four-factor solution principal component analysis accounted for
65.02% of the variance of the final 36-item version of the P-ARDI. The Cronbach’s
alpha coefficient for the aforementioned factors was found to be greater than 0.7.
In sum, the results suggest that the retirement decision process was found to be
much more complex and multidimensional.

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The aim of this study was to compare the effect of training type (full-error and error-less) and skill level on the development of mental representation of putt golf skill. For this purpose, 44 undergraduate physical education students (22 women, 22 men; mean age 22.34 and standard deviation 4.37) were randomly divided into two groups: error-less (near-to-far) and full-error (far-to-near). The two groups practiced in the one-day acquisition phase of 3 blocks of 10 attempts for throwing distances (25, 50, 75, 100, 125, 150 and 200 cm). The error-less group started training from the closest distance to the goal and reached the farthest distance, respectively, but the full-error group started training from the farthest distance and finally reached the closest distance. At the end, they were tested immediately. One day after the acquisition phase, delayed retention tests, single task transfer (from a distance of 225 cm) and dual task transfer (from a distance of 200 cm simultaneously with audio playback) were performed. To compare the effect of error-less and full-error training on the acquisition, retention and transfer of putt golf skills, data analysis of the acquisition stage was analyzed by repeated measures analysis of variance (2×8). SDA-M test was used to measure the structure of mental representations formed in the two groups before and after the acquisition period, and hierarchical cluster analysis  0.05) was used to analyze the mental representations.  Our Findings showed significant functional changes in the post-exercise mental representation structure, suggesting that motor skills are associated with functional adaptation of action-related knowledge in long-term memory.