Steps | Phases | Procedures | Techniques | Sample |
DESIGN | Phase 1 | Determine the format of the tool. Produce a typology of indicators of perceived stress. | Review of literature | 30 employees by choice. |
| Phase 2 | Develop the items; Validate the contents of a pool initial of measurement items; Check the characteristics of clarity and relevance of items; Select items demonstrating the best qualities; check the completeness of the list items; Review items. | Panel of experts Technique of | 20 experts judges by reasoned choice. |
EVALUATION | Phase 3 | Do a pre-test; Carry out a pilot test; Analyze the items; Review items; Assess the consistency of the tool; Evaluate the modalities of handover. | EFA technique Consistency internal | Small/medium sample (20 and 120 employees by choice reasoned). |
VALIDATION | Phase 4 | Assess reliability; Assess validity (convergent. discriminant and predictive). | Big sample AFC MSE | 446 employees by reasoned choice. |