L. Y. Abramson, M. E. Seligman, and J. D. Teasdale, Learned helplessness in humans: Critique and reformulation., Journal of Abnormal Psychology, vol.87, issue.1, pp.49-74, 1978.
DOI : 10.1037/0021-843X.87.1.49

A. O. Agho, The moderating effects of dispositional affectivity on relationships between job characteristics and nurses' job satisfaction, Research in Nursing and Heath, pp.451-458, 1993.
DOI : 10.1177/016327878100400201

G. R. Andrews and L. R. Debus, Persistence and the causal perception of failure: Modifying cognitive attributions., Journal of Educational Psychology, vol.70, issue.2, pp.154-166, 1978.
DOI : 10.1037/0022-0663.70.2.154

Z. Ashraf, A. B. Jaffri, M. T. Sharif, and M. Khan, Increasing employee organizational commitment by correlating gloal setting, employee engagement and optimism at work, European Journal of Business and Management, vol.4, issue.2, pp.71-77, 2012.

G. Aydin, The remediation of children's helpless explanatory style and related unpopularity, Cognitive Therapy and Research, vol.93, issue.2, pp.155-165, 1988.
DOI : 10.1007/BF01204928

A. Bandura, Social Foundations of Thought and Action, 1986.
DOI : 10.4135/9781446221129.n6

A. Bandura, Organisational Applications of Social Cognitive Theory, Australian Journal of Management, vol.13, issue.2, pp.275-302, 1988.
DOI : 10.1177/002188638201800405

J. Beauvois and F. Le-poultier, Norme d'internalité et pouvoir social en psychologie quotidienne, pp.31-100, 1986.

A. Bandura, Self-efficacy: The exercise of control, 1997.

J. Bosman, J. H. Buitendach, and S. Rothman, Job insecurity, burnout and work engagement: The impact of positive and negative affectivity, SA Journal of Industrial Psychology, vol.31, issue.4, pp.31-48, 2005.
DOI : 10.4102/sajip.v31i4.199

C. R. Brewin and A. Furnham, Attributional versus preattributional variables in self-esteem and depression: A comparison and test of learned helplessness theory., Journal of Personality and Social Psychology, vol.50, issue.5, pp.1013-1020, 1986.
DOI : 10.1037/0022-3514.50.5.1013

G. M. Buchanan and M. E. Seligman, Explanatory style, 1995.

C. S. Carver and J. G. Gaines, Optimism, pessimism, and postpartum depression, Cognitive Therapy and Research, vol.51, issue.4, pp.449-462, 1987.
DOI : 10.1111/j.2044-8341.1978.tb02485.x

C. S. Carver and M. F. Scheier, Attention and self-regulation: A control-theory approach to human behavior, pp.978-979, 1981.
DOI : 10.1007/978-1-4612-5887-2

C. S. Carver and M. F. Scheier, On the self-regulation of behavior, 1998.
DOI : 10.1017/CBO9781139174794

C. S. Carver and M. F. Scheier, Optimism, Handbook of positive psychology, pp.231-243, 2002.

C. S. Carver, M. F. Scheier, and S. C. Segerstrom, Optimism, Clinical Psychology Review, vol.30, issue.7, pp.879-889, 2010.
DOI : 10.1016/j.cpr.2010.01.006

F. M. Chan, The effects of optimism and the five-factor model of personality on stress and performance in the work place, 2004.

E. C. Chang, K. L. Rand, and D. R. Strunk, Optimism and risk for job burnout among working college students: stress as a mediator, Personality and Individual Differences, vol.29, issue.2, pp.255-263, 2000.
DOI : 10.1016/S0191-8869(99)00191-9

B. Charles-pauvers, N. Commereiras, D. Peyrat-guillard, and P. Roussel, Les déterminants psychologiques de la performance au travail : Un bilan des connaissances et proposition de voies de recherche. Note du laboratoire interdisciplinaire de recherche sur les ressources humaines et l'emploi, pp.6-9, 2006.

M. Chemers, C. Watson, and T. May, Dispositional Affect and Leadership Effectiveness: A Comparison of Self-Esteem, Optimism, and Efficacy, Personality and Social Psychology Bulletin, vol.17, issue.3, pp.267-278, 2000.
DOI : 10.1016/1048-9843(91)90023-U

A. Dixon and S. Schertzer, Bouncing back: How salesperson optimism and self-efficacy influence attributions and behaviors following failure, Journal of Personal Selling and Sales Management, vol.25, issue.4, pp.361-369, 2005.

N. Dubois, La norme d'internalité et le libéralisme, 1994.

N. Dubois, Normes sociales de valeur et jugement : Ancrage sur l'utilité et ancrage sur la désirabilité, pp.43-80, 2005.

A. Ellis, Reason and emotion in psychotherapy, 1962.

S. Epstein and P. Meier, Constructive thinking: A broad coping variable with specific components., Journal of Personality and Social Psychology, vol.57, issue.2, pp.332-350, 1989.
DOI : 10.1037/0022-3514.57.2.332

I. W. Ford, R. C. Eklund, and S. Gordon, An examination of psychosocial variables moderating the relationship between life stress and injury time-loss among athletes of a high standard, Journal of Sports Sciences, vol.18, issue.5, pp.301-312, 2000.
DOI : 10.1080/026404100402368

M. Fournier, D. De-ridder, and J. Bensing, How optimism contributes to the adaptation of chronic illness. A prospective study into the enduring effects of optimism on adaptation moderated by the controllability of chronic illness, Personality and Individual Differences, vol.33, issue.7, pp.1163-1183, 2002.
DOI : 10.1016/S0191-8869(02)00006-5

W. J. Fowler and L. P. Peterson, Increasing reading persistence and altering attributional style of learned helpless children., Journal of Educational Psychology, vol.73, issue.2, pp.251-260, 1981.
DOI : 10.1037/0022-0663.73.2.251

B. Gangloff, Normativity of the acceptance of professional injustices via the legislator's paradigm: a study on recruiters, Actes de la 5th International Conference of Applied Psychology, 2007.

B. Gangloff, La norme d'allégeance, Psychologie et recrutement, pp.177-197, 2011.

B. Gangloff, C. Soudan, and L. Auzoult, Normative characteristics of the just world belief: A review with four scales, Cognition An Interdisciplinary Journal, vol.18, issue.2, pp.163-174, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01692506

E. Garrosa, B. Moreno-jiménez, A. Rodriguez-munoz, and R. Rodriguez-carvajal, Role stress and personal resources in nursing: A cross-sectional study of burnout and engagement, International Journal of Nursing Studies, vol.48, issue.4, pp.479-489, 2001.
DOI : 10.1016/j.ijnurstu.2010.08.004

C. Gernigon, P. Fleurance, M. Wolff, and B. Reine, Conditions d'installations et conséquences de la résignation apprise dans les tâches motrices, Science et Motricité, vol.34, pp.7-18, 1998.

C. Gernigon, Conséquences cognitives, affectives et comportementales des attributions causales en situation de succès ou d'échec sportif, Croyances et performance sportive : Processus sociocognitifs associés aux comportements sportifs, pp.111-127, 2005.

C. Gernigon, Installation et conséquences de la résignation apprise dans les activités physiques et sportives, Croyances et performance sportive : Processus sociocognitifs associés aux comportements sportifs, pp.93-110, 2005.

J. E. Gillham, A. J. Shatté, K. J. Reivich, and M. E. Seligman, Optimism, pessimism, and explanatory style., Optimism and pessimism: Implications for theory, research, and practice, pp.53-75, 2001.
DOI : 10.1037/10385-003

D. Gould, K. Dieffenbach, and A. Moffett, Psychological Characteristics and Their Development in Olympic Champions, Journal of Applied Sport Psychology, vol.14, issue.3, pp.172-204, 2002.
DOI : 10.1080/10413200290103482

A. Grau, R. Suner, and M. Garcia, Desgaste profesional en el personal sanitario y su relaci??n con los factores personales y ambientales, Gaceta Sanitaria, vol.19, issue.6, pp.463-469, 2005.
DOI : 10.1016/S0213-9111(05)71397-2
URL : https://doi.org/10.1016/s0213-9111(05)71397-2

J. R. Grove and N. P. Heard, Optimism and Sport Confidence as Correlates of Slump-Related Coping among Athletes, The Sport Psychologist, vol.11, issue.4, pp.400-410, 1997.
DOI : 10.1123/tsp.11.4.400

A. L. Gruber-baldini, J. Ye, K. E. Anderson, and L. M. Shulman, Effects of optimism/pessimism and locus of control on disability and quality of life in Parkinson's disease. Parkinsonism and Related Disorders, pp.665-669, 2009.

D. S. Hirito and M. E. Seligman, Generality of learned helplessness in man., Journal of Personality and Social Psychology, vol.31, issue.2, pp.311-327, 1975.
DOI : 10.1037/h0076270

L. H. Jaycox, K. Reivich, J. Gillham, and M. E. Seligman, Prevention of depressive symptoms in school children, Behaviour Research and Therapy, vol.32, issue.8, pp.801-816, 1994.
DOI : 10.1016/0005-7967(94)90160-0

J. M. Jellison and J. Green, A self-presentation approach to the fundamental attribution error: The norm of internality., Journal of Personality and Social Psychology, vol.40, issue.4, pp.643-649, 1981.
DOI : 10.1037/0022-3514.40.4.643

H. H. Kelley, Two functions of reference groups Society for the psychological study of social issues, readings in social psychology, pp.410-414, 1952.

R. R. Lebsack, S. Lebsack, and K. W. Luthans, Positivity in the workplace: The impact of nurses'optimism on their rated performance, 2004.

L. Lum, J. Kervin, K. Clark, F. Reid, and W. Sirola, Explaining nursing turnover intent: job satisfaction, pay satisfaction, or organizational commitment?, Journal of Organizational Behavior, vol.19, issue.3, pp.305-320, 1998.
DOI : 10.1002/(SICI)1099-1379(199805)19:3<305::AID-JOB843>3.0.CO;2-N

F. Luthans and C. M. Youssef, Emerging Positive Organizational Behavior, Journal of Management, vol.2, issue.2, pp.321-349, 2007.
DOI : 10.1300/J147v22n03_03
URL : http://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1007&context=leadershipfacpub

F. Luthans, J. B. Avey, and J. L. Patera, Experimental Analysis of a Web-Based Training Intervention to Develop Positive Psychological Capital, Academy of Management Learning & Education, vol.7, issue.2, pp.209-221, 2008.
DOI : 10.5465/AMLE.2008.32712618

J. Maisonneuve, Introduction à la psychosociologie, 1973.

A. Malik, Efficacy, hope, optimism and resilience at workplace-positive organizational behavior, International Journal of Scientific and Research Publications, vol.3, issue.10, pp.1-4, 2013.

C. Martin-krumm, L. Foll, and D. , Styles explicatifs et capacité de rebond après des échecs sportifs, Croyances et performance sportive. Éditions Revue EPS, 2005.
DOI : 10.3917/sm.052.0009

C. Martin-krumm and P. Sarrazin, Th??orie des styles explicatifs et performance sportive : fondements th??oriques, donn??es empiriques et perspectives, Science & Motricit??, vol.2, issue.52, pp.9-43, 2004.
DOI : 10.3917/sm.052.0009

B. Medlin and K. W. Green, Enhancing performance through goal setting, engagement, and optimism. Industrial Management & Data Systems, pp.943-956, 2009.
DOI : 10.1108/02635570910982292

C. A. Moyer, G. Ekpo, C. Calhoun, J. Greene, S. Naik et al., Quality of life, optimism/pessimism, and knowledge and attitudes toward HIV screening among pregnant women in Ghana. Women's Health Issues, pp.301-309, 2008.

S. Nolen-hoeksema, J. S. Girgus, and M. E. Seligman, Learned helplessness in children: A longitudinal study of depression, achievement, and explanatory style., Journal of Personality and Social Psychology, vol.51, issue.2, pp.435-442, 1986.
DOI : 10.1037/0022-3514.51.2.435

S. Nolen-hoeksema, J. S. Girgus, and M. P. Seligman, Explanatory style and achievement, depression, and gender differences in childhood and early adolescence, Explanatory style, pp.57-70, 1991.

J. K. Norem and N. Cantor, Anticipatory and post hoc cushioning strategies: Optimism and defensive pessimism in ?risky? situations, Cognitive Therapy and Research, vol.15, issue.3, pp.347-362, 1986.
DOI : 10.1007/BF01173471
URL : http://deepblue.lib.umich.edu/bitstream/handle/2027.42/44330/10608_2005_Article_BF01173471.pdf?sequence=1

P. Norman, S. Collins, M. Conner, R. Martin, and J. Rance, Attributions, Cognitions, and Coping Styles: Teleworkers' Reactions to Work-Related Problems1, Journal of Applied Social Psychology, vol.52, issue.2, pp.117-128, 1995.
DOI : 10.1037//0021-843X.87.1.75

J. B. Overmier and M. E. Seligman, Effects of inescapable shock upon subsequent escape and avoidance learning, Journal of Comparative and Physiological Psychology, vol.66, pp.28-33, 1967.

X. Parent-rocheleau, L'effet modérateur du lieu de contrôle et de l'optimisme dans la relation entre l'engagement organisationnel affectif et ses antécédents (Mémoire de maîtrise en sciences de la gestion) Sous la direction de Gilles Simard, 2013.

C. Peterson, The future of optimism., American Psychologist, vol.55, issue.1, pp.44-55, 2000.
DOI : 10.1037/0003-066X.55.1.44

C. Peterson and L. Barrett, Explanatory style and academic performance among university freshman., Journal of Personality and Social Psychology, vol.53, issue.3, pp.603-607, 1987.
DOI : 10.1037/0022-3514.53.3.603

C. Peterson, G. M. Buchanan, and M. E. Seligman, Explanatory style, Explanatory style, pp.1-20, 1995.
DOI : 10.1017/CBO9780511527937.026
URL : https://hal.archives-ouvertes.fr/hal-00388564

C. Peterson and C. Park, Learned Helplessness and Explanatory Style, Advanced personality, pp.287-310, 1998.
DOI : 10.1007/978-1-4419-8580-4_12

C. Peterson and M. E. Seligman, Causal explanations as a risk factor for depression: Theory and evidence., Psychological Review, vol.91, issue.3, pp.347-374, 1984.
DOI : 10.1037/0033-295X.91.3.347

C. Peterson, M. E. Seligman, and G. E. Vaillant, Pessimistic explanatory style is a risk factor for physical illness: A thirty-five-year longitudinal study., Journal of Personality and Social Psychology, vol.55, issue.1, pp.23-27, 1988.
DOI : 10.1037/0022-3514.55.1.23

C. Peterson, A. Semmel, C. Von-baeyer, L. Y. Abramson, G. I. Metalsky et al., The attributional Style Questionnaire, Cognitive Therapy and Research, vol.6, issue.3, pp.287-300, 1982.
DOI : 10.1007/BF01173577

E. D. Pulakos, S. Arad, M. A. Donovan, and K. E. Plamondon, Adaptability in the workplace: Development of a taxonomy of adaptive performance., Journal of Applied Psychology, vol.85, issue.4, pp.612-624, 2000.
DOI : 10.1037/0021-9010.85.4.612

E. D. Pulakos, N. Schmitt, D. W. Dorsey, J. W. Hedge, and W. C. Borman, Predicting adaptive performance: Further tests of a model of adaptability. Human Performance, pp.299-323, 2002.

G. Rich, Salesperson Optimism: Can Sales Managers Enhance it and so What if They Do?, Journal of Marketing Theory and Practice, vol.13, issue.2, pp.53-63, 1999.
DOI : 10.1037/0278-6133.4.3.219

L. Riolli and V. Savicki, Information system organizational resilience, Omega, vol.31, issue.3, pp.227-233, 2003.
DOI : 10.1016/S0305-0483(03)00023-9

M. F. Scheier and C. S. Carver, Optimism, coping, and health: Assessment and implications of generalized outcome expectancies., Health Psychology, vol.4, issue.3, pp.219-247, 1985.
DOI : 10.1037/0278-6133.4.3.219

M. F. Scheier and C. S. Carver, Effects of optimism on psychological and physical well-being: Theoretical overview and empirical update, Cognitive Therapy and Research, vol.3, issue.2, pp.201-228, 1992.
DOI : 10.1007/BF01173489

M. F. Scheier and C. S. Carver, On the Power of Positive Thinking: The Benefits of Being Optimistic, Current Directions in Psychological Science, vol.87, issue.1, pp.26-30, 1993.
DOI : 10.1521/soco.1989.7.2.92

M. F. Scheier, C. S. Carver, and M. W. Bridges, Distinguishing optimism from neuroticism (and trait anxiety, self-mastery, and self-esteem): A reevaluation of the Life Orientation Test., Journal of Personality and Social Psychology, vol.67, issue.6, pp.1063-1078, 1994.
DOI : 10.1037/0022-3514.67.6.1063

M. F. Scheier, C. S. Carver, and M. W. Bridges, Optimism, pessimism, and psychological well-being Optimism and pessimism: Implications for theory, research, and practice, pp.189-216, 2002.
DOI : 10.1037/10385-009

M. F. Scheier, K. A. Matthews, J. F. Owens, G. J. Magovern, R. C. Lefebvre et al., Dispositional optimism and recovery from coronary artery bypass surgery: The beneficial effects on physical and psychological well-being., Journal of Personality and Social Psychology, vol.57, issue.6, pp.1024-1040, 1989.
DOI : 10.1037/0022-3514.57.6.1024

M. F. Scheier, J. K. Weintraub, and C. S. Carver, Coping with stress: Divergent strategies of optimists and pessimists., Journal of Personality and Social Psychology, vol.51, issue.6, pp.1257-1264, 1986.
DOI : 10.1037/0022-3514.51.6.1257

P. Schulman, Explanatory style and achievement in school and work, Explanatory style, pp.159-171, 1995.

P. Schulman, Applying learned optimism to increase sales productivity. Personal Selling and Sales Management, pp.31-37, 1999.

P. Schulman, D. Keith, and M. E. Seligman, Is optimism heritable? A study of twins, Behaviour Research and Therapy, vol.31, issue.6, pp.569-574, 1993.
DOI : 10.1016/0005-7967(93)90108-7

S. C. Segerstrom, Optimism and resources: Effects on each other and on health over 10 years, Journal of Research in Personality, vol.41, issue.4, pp.772-786, 2007.
DOI : 10.1016/j.jrp.2006.09.004
URL : https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3861054/pdf

M. E. Seligman, Learned Helplessness, Annual Review of Medicine, vol.23, issue.1, pp.407-412, 1972.
DOI : 10.1146/annurev.me.23.020172.002203

M. E. Seligman, Helplessness: On depression, development and death, 1975.

M. E. Seligman, Lerned optimism, 1988.

M. E. Seligman, Learned optimism, La force de l'optimisme. Apprendre à faire confiance à la vie. InterEditions), 1991.

M. E. Seligman and S. F. Maier, Failure to escape traumatic shock., Journal of Experimental Psychology, vol.74, issue.1, pp.1-9, 1967.
DOI : 10.1037/h0024514
URL : http://psych.hanover.edu/Classes/Learning/papers/seligman maier 1967.pdf

M. E. Seligman, K. J. Reivich, L. H. Jaycox, and J. Gillham, The optimistic child, 1995.

D. Siedentop, Foreword Sport pedagogy: Highlights on research on teaching research on teacher preparation, 1994.

A. L. Stanton and P. R. Snider, Coping with a breast cancer diagnosis: A prospective study., Health Psychology, vol.12, issue.1, pp.16-23, 1993.
DOI : 10.1037/0278-6133.12.1.16

S. Strack, C. S. Carver, and P. H. Blaney, Predicting successful completion of an aftercare program following treatment for alcoholism: The role of dispositional optimism., Journal of Personality and Social Psychology, vol.53, issue.3, pp.579-584, 1987.
DOI : 10.1037/0022-3514.53.3.579

H. D. Strutton and J. R. Lumpkin, The relationship between optimism and coping styles of salespeople, Journal of Personal Selling and Sales Management, vol.13, pp.71-82, 1993.

M. Sujan, H. Sujan, J. R. Bettman, and T. M. Verhallen, Sources of consumers' stress and their coping strategies, European Advances in Consumer Research, pp.182-187, 1999.

S. E. Taylor and J. D. Brown, Illusion and well-being: A social psychological perspective on mental health., Psychological Bulletin, vol.103, issue.2, pp.193-210, 1988.
DOI : 10.1037/0033-2909.103.2.193
URL : http://www.radford.edu/~jaspelme/_private/gradsoc_articles/Depressive Realism/positive_illusions_and_well_being.pdf

C. Trottier, G. Mageau, P. Trudel, and W. R. Halliwell, Validation de la version canadienne-fran??aise du Life Orientation Test-Revised., Canadian Journal of Behavioural Science / Revue canadienne des sciences du comportement, vol.40, issue.4, pp.238-243, 2008.
DOI : 10.1037/a0013244

C. Trottier, P. Trudel, and W. R. Halliwell, Pr??sentation des deux principales th??ories nord-am??ricaines sur l'optimisme, Staps, vol.77, issue.3, pp.9-28, 2007.
DOI : 10.3917/sta.077.0009

C. R. Wanberg and J. T. Banas, Predictors and outcomes of openness to changes in a reorganizing workplace., Journal of Applied Psychology, vol.85, issue.1, pp.132-143, 2000.
DOI : 10.1037/0021-9010.85.1.132

N. D. Weinstein, Unrealistic optimism about future life events., Journal of Personality and Social Psychology, vol.39, issue.5, pp.806-820, 1980.
DOI : 10.1037/0022-3514.39.5.806

C. M. Youssef and F. Luthans, Positive Organizational Behavior in the Workplace, Journal of Management, vol.33, issue.2, 2007.
DOI : 10.1300/J147v22n03_03