The objective of this study was to test the developed models with empirical evidence regarding job satisfaction (JS) and organizational commitment (OC) as mediators and influential variables concerning problems with performance appraisal and organizational citizenship behavior (OCB). The sample consisted of 450 employees who worked at the operational level in automobile parts manufacturing companies in the Navanakorn Industrial Estate, Thailand. The study’s instrument was applied from previous research and verified for content validity and reliability before collecting the data. Analysis of mediators method of was conducted. Structural equation analysis of 5000 rounds of bootstrapping was used to examine the model developed from the empirical data and the influence of problem variables in appraising work performance. The developed model fitted well with the empirical evidence. JS and OC were identified as mediators among problem variables in appraising performance and OCB, while problem variables in appraising work performance influenced OCB through JS and OC. Findings from this study expand our knowledge of this field and are useful for effective human resource management and performance appraisal. The developed model explains the phenomena of problems with performance appraisal concerning fairness, JS, OC, and OCB. JS and OC are useful mediators to explain and expand knowledge in human resource management and performance appraisal.

This research aims to study the direct and indirect influence of self-efficacy on organizational citizenship behavior transmitted through employee engagement, organizational commitment and job satisfaction, and to examine employee engagement, organizational commitment and job satisfaction as partial or full mediators. The study samples were 400 employees in the automobile parts manufacturing industry. The study instruments used by previous researchers were applied and back translation was conducted on all questionnaire items. Content validity and reliability was then tested prior to using them for data collection. Direct and indirect influences and mediators were analyzed with the Hayes Model 81 using the PROCESS Program. Results revealed that self-efficacy had a direct influence on organizational citizenship behavior with statistical significance, with an indirect influence transmitted through employee engagement, organizational commitment and job satisfaction. Employee engagement, organizational commitment and job satisfaction functioned as partial mediators between self-efficacy and organizational citizenship behavior with statistical significance. The model was based on the theory of self-efficacy to express organizational citizenship behavior. However, the study results showed that employee engagement, organizational commitment and job satisfaction play roles as mediators in transmission of effective organizational citizenship behavior. Therefore, these mediators are important factors that can accurately explain organizational citizenship behavior.

PurposeTo develop and validate an instrument to measure the problems associated with performance appraisal.Design/methodology/approachThe implementation was in two phases. Phase 1 involved the development and validation of an instrument to measure the problems with performance appraisal. Phase 2 involved the exploration and confirm the construct measurement. Data used in Phase 1 were collected from interviews with administrators and employees in the automotive parts manufacturing industry and five experts. In Phase 2, data were derived from questionnaires sent to 320 employees of automotive parts manufacturers in the Eastern Region of Thailand.FindingsProblems concerning performance appraisals were classified into two components as problems with the appraisal process and problems with the appraising person. The concepts, theories and interview results that were used to develop the instrument and assess problems with performance appraisals were consistent with the empirical evidence.Practical implicationsThe developed instrument may be used to measure problem levels of performance appraisals in organizations with high accuracy and reliability. Findings may be used as guidelines for management to effectively reduce problems with performance appraisals. The instrument may also be used for research measurement of organizational problems concerning performance appraisal.Social implicationsFairness, transparency and testability are aspects of effective management. Ignorance of problems in performance appraisals may have negative effects on a conducive working atmosphere and behaviors at the personal, group and organizational levels. Therefore, the findings of this study have social implications for the capability to examine fairness in employees' performance appraisals.Originality/valueThe instrument for measuring problems with performance appraisal was developed based on the combination of concepts, theories and interview and questionnaire data. This instrument facilitates human resource officers, managers and organizations in measuring the levels of problems with performance appraisals.

This study investigated the influence of perceived organizational support (POS) and work adjustment (WA) on the employee performance (EP) of expatriate English teachers in Thailand. A quantitative method was used; self-evaluation data were collected from 210 expatriate English teachers working in Thailand. The results of the study confirm the hypothesized positive correlational effect of POS and WA on EP. The empirical results confirm the model of investigation consisting of POS, WA and EP developed for testing in the context of Thailand. It also challenges the established connection of POS and WA of EP in a well-understood context of antecedence and is relevant for policymakers, workers, and managers, with implications for future research.

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