Avaliação Demand-control-social support model Effort-reward imbalance model Estresse profissional Estrés laboral Evaluación Factores laborales riesgo psicosocial Fatores trabalhistas de risco psicossocial Job stress Modelo demanda-control-apoyo social Modelo demanda-controle-apoio social Modelo desequilibrio esfuerzo-recompensa Modelo desiquilíbrio esforço-recompensa Pruebas Saber Pro, minería de datos, rendimiento académico Psychosocial risk factors Resolución 2646 de 2008 Resolution 2646 of 2008 Resolução 2 646 de 2008 Saber Pro examination, data mining, academic performance Suicide Suicidio Survey TCT y TRI Work classical test theory and item response theory desesperanza hopelessness ideación suicida psicometría psychometric