| Motivational models | Attributes |
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Porter and Lawler’s Model [48]
| Effort, performance, satisfaction | Maloney [41] | Efforts, performance, rewards | Thomas et al. [42] | Job content, incentives, efforts, performance, satisfaction | Hewage and Ruwanpura [1] | Expectancy, performance, valence | Cox et al. [32] | Confidence, incentives, quality of work, safety performance, praise, a feeling of being a member, job security | Dwivedula and Bredillet [36] | Employee development, work climate, perceived equity, work objectivity, and job security |
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