R. A. Baer, Mindfulness training as a clinical intervention: A conceptual and empirical review, Clinical Psychology: Science and Practice, vol.10, issue.2, pp.125-143, 2003.

R. A. Baer, J. Carmody, and M. Hunsinger, Weekly change in mindfulness and perceived stress in a mindfulness-based stress reduction program, Journal of Clinical Psychology, vol.68, issue.7, pp.755-765, 2012.

R. A. Baer, G. T. Smith, J. Hopkins, J. Krietemeyer, and L. Toney, Using selfreport assessment methods to explore facets of mindfulness, Assessment, vol.13, issue.1, pp.27-45, 2006.

R. A. Baer, G. T. Smith, E. Lykins, D. Button, J. Krietemeyer et al., Construct validity of the Five Facet Mindfulness Questionnaire in meditating and nonmeditating samples, Assessment, vol.15, issue.3, pp.329-342, 2008.

R. A. Baer, E. Walsh, and E. Lykins, Assessment of mindfulness, Clinical handbook of mindfulness, pp.153-168, 2009.

T. Batink, F. Peeters, N. Geschwind, J. Van-os, and M. Wichers, How does MBCT for depression work? Studying cognitive and affective mediation pathways, PLoS ONE, vol.8, issue.8, 2013.

A. T. Beck and A. Beamesderfer, Assessment of depression: The depression inventory, 1974.

S. Bhayee, P. Tomaszewski, D. H. Lee, G. Moffat, L. Pino et al., Attentional and affective consequences of technology supported mindfulness training: A randomised, active control, efficacy trial, BMC Psychology, vol.4, issue.1, 2016.

S. R. Bishop, M. Lau, S. Shapiro, L. Carlson, N. D. Anderson et al., Mindfulness: A proposed operational definition, Clinical Psychology: Science and Practice, vol.11, issue.3, pp.230-241, 2004.

F. W. Bond, S. C. Hayes, R. A. Baer, K. M. Carpenter, N. Guenole et al., Preliminary psychometric properties of the Acceptance and Action Questionnaire-II: A revised measure of psychological inflexibility and experiential avoidance, Behavior Therapy, vol.42, issue.4, pp.676-688, 2011.

P. Bourque and D. Beaudette, , 1982.

, Etude psychometrique du questionnaire de d epression de Beck aupr es d'un echantillon d' etudiants universitaires francophones, Canadian Journal of Behavioural Science/Revue Canadienne des Sciences du Comportement, vol.14, issue.3, pp.211-218

M. Bouvard, S. Charles, E. Mollard, J. Gu-erin, and J. Cottraux, Etude de validation et analyse factorielle de la version franc ßaise du questionnaire des pens ees automatiques, Journal de Th erapie Comportementale et Cognitive, vol.2, pp.25-28, 1992.

K. W. Brown and R. M. Ryan, The benefits of being present: Mindfulness and its role in psychological well-being, Journal of Personality and Social Psychology, vol.84, issue.4, pp.822-848, 2003.

J. Carmody and R. A. Baer, Relationships between mindfulness practice and levels of mindfulness, medical and psychological symptoms and well-being in a mindfulness-based stress reduction program, Journal of Behavioral Medicine, vol.31, issue.1, pp.23-33, 2008.

J. Carmody and R. A. Baer, How long does a mindfulness-based stress reduction program need to be? A review of class contact hours and effect sizes for psychological distress, Journal of Clinical Psychology, vol.65, issue.6, pp.627-638, 2009.

K. Cavanagh, C. Strauss, F. Cicconi, N. Griffiths, A. Wyper et al., A randomised controlled trial of a brief online mindfulness-based intervention, Behaviour Research and Therapy, vol.51, issue.9, pp.573-578, 2013.

K. Cavanagh, C. Strauss, L. Forder, and F. Jones, Can mindfulness and acceptance be learnt by self-help? A systematic review and meta-analysis of mindfulness and acceptance-based self-help interventions, Clinical Psychology Review, vol.34, issue.2, pp.118-129, 2014.

A. Chiesa, R. Anselmi, and A. Serretti, Psychological mechanisms of mindfulness-based interventions: What do we know? Holistic Nursing Practice, vol.28, pp.124-148, 2014.

A. Chiesa and A. Serretti, Mindfulness-based stress reduction for stress management in healthy people: A review and meta-analysis, Journal of Alternative and Complementary Medicine, vol.15, issue.5, pp.593-600, 2009.

G. Cousin and D. Page, Does patients' pretreatment trait-mindfulness predict the success of cognitive psychotherapy for emotion regulation?, Mindfulness, vol.6, issue.2, pp.186-191, 2015.

S. Dimidjian, A. Beck, J. N. Felder, J. M. Boggs, R. Gallop et al., Web-based mindfulness-based cognitive therapy for reducing residual depressive symptoms: An open trial and quasi-experimental comparison to propensity score matched controls, Behaviour Research and Therapy, vol.63, pp.83-89, 2014.

J. Eberth and P. Sedlmeier, The effects of mindfulness meditation: A meta-analysis, Mindfulness, vol.3, issue.3, pp.174-189, 2012.

G. Feldman, J. Greeson, and J. Senville, Differential effects of mindful breathing, progressive muscle relaxation, and loving-kindness meditation on decentering and negative reactions to repetitive thoughts, Behaviour Research and Therapy, vol.48, issue.10, pp.1002-1011, 2010.

B. L. Fredrickson, R. A. Mancuso, C. Branigan, and M. M. Tugade, The undoing effect of positive emotions, Motivation and Emotion, vol.24, issue.4, pp.237-258, 2000.

E. L. Garland, L. G. Kiken, K. Faurot, O. Palsson, and S. A. Gaylord, Upward spirals of mindfulness and reappraisal: Testing the mindfulness-to-meaning theory with autoregressive latent trajectory modeling, Cognitive Therapy and Research, vol.41, issue.3, pp.381-392, 2017.

J. Gauthier and S. Bouchard, Adaptation canadienne-franc ßaise de la forme r evis ee du State-Trait Anxiety Inventory de Spielberger, Canadian Journal of Behavioural Science/Revue Canadienne des Sciences du Comportement, vol.25, issue.4, pp.559-578, 1993.

D. P. Goldberg, R. Gater, N. Sartorius, T. Ustun, M. Piccinelli et al., The validity of two versions of the GHQ in the WHO study of mental illness in general health care, Psychological Medicine, vol.27, issue.01, pp.191-197, 1997.

M. Goyal, S. Singh, E. M. Sibinga, N. F. Gould, A. Rowland-seymour et al., Meditation programs for psychological stress and well-being: A systematic review and meta-analysis, JAMA Internal Medicine, vol.174, issue.3, pp.357-368, 2014.

L. A. Greco, R. A. Baer, and G. T. Smith, Assessing mindfulness in children and adolescents: Development and validation of the Child and Adolescent Mindfulness Measure (CAMM), Psychological Assessment, vol.23, issue.3, pp.606-614, 2011.

P. Grossman, L. Niemann, S. Schmidt, and H. Walach, Mindfulness-based stress reduction and health benefits, Journal of Psychosomatic Research, vol.57, issue.1, pp.573-580, 2004.

P. Grossman and N. T. Van-dam, Trials and tribulations of sati in western psychology and science, Contemporary Buddhism, vol.12, issue.1, pp.219-239, 2011.

J. Gu, C. Strauss, R. Bond, and K. Cavanagh, How do mindfulness-based cognitive therapy and mindfulness-based stress reduction improve mental health and wellbeing? A systematic review and meta-analysis of mediation studies, Clinical Psychology Review, vol.37, pp.1-12, 2015.

S. Haenen, I. Nykl-i-cek, J. Van-son, V. Pop, and F. Pouwer, Mindfulness facets as differential mediators of short and long-term effects of Mindfulness-Based Cognitive Therapy in diabetes outpatients: Findings from the DiaMind randomized trial, Journal of Psychosomatic Research, vol.85, pp.44-50, 2016.

H. Hazlett-stevens and Y. Oren, Effectiveness of mindfulness-based stress reduction bibliotherapy: A preliminary randomized controlled trial, Journal of Clinical Psychology, vol.73, issue.6, pp.626-637, 2017.

A. Heeren, C. Douilliez, V. Peschard, L. Debrauwere, and P. Philippot, Crosscultural validity of the Five Facets Mindfulness Questionnaire: Adaptation and validation in a French-speaking sample, European Review of Applied Psychology, vol.61, issue.3, pp.147-151, 2011.

R. K. Hindman, C. R. Glass, D. B. Arnkoff, and D. D. Maron, A comparison of formal and informal mindfulness programs for stress reduction in university students, Mindfulness, vol.6, issue.4, pp.873-884, 2015.

S. G. Hofmann, A. T. Sawyer, A. A. Witt, and D. Oh, The effect of mindfulnessbased therapy on anxiety and depression: A meta-analytic review, Journal of Consulting and Clinical Psychology, vol.78, issue.2, pp.169-183, 2010.

S. D. Hollon and P. C. Kendall, Cognitive self-statements in depression: Development of an automatic thoughts questionnaire, Cognitive Therapy and Research, vol.4, issue.4, pp.383-395, 1980.

F. Jermann, J. Billieux, F. Larøi, A. Argembeau, G. Bondolfi et al., Mindful Attention Awareness Scale (MAAS): Psychometric properties of the French translation and exploration of its relations with emotion regulation strategies, Psychological Assessment, vol.21, issue.4, pp.506-514, 2009.

J. Kabat-zinn, Full catastrophe living: Using the wisdom of your body and mind to face stress, pain, and illness, 1990.

J. Kabat-zinn, Mindfulness meditation: What it is, what it isn't, and its role in health care and medicine, Comparative and psychological study on meditation, pp.161-169, 1996.

A. E. Kazdin and S. L. Blase, Rebooting psychotherapy research and practice to reduce the burden of mental illness, Perspectives on Psychological Science, vol.6, issue.1, pp.21-37, 2011.

B. Khoury, M. Sharma, S. E. Rush, and C. Fournier, Mindfulness-based stress reduction for healthy individuals: A meta-analysis, Journal of Psychosomatic Research, vol.78, issue.6, pp.519-528, 2015.

L. G. Kiken, E. L. Garland, K. Bluth, O. S. Palsson, and S. A. Gaylord, From a state to a trait: Trajectories of state mindfulness in meditation during intervention predict changes in trait mindfulness, Personality and Individual Differences, vol.81, pp.41-46, 2015.

A. Krusche, E. Cyhlarova, S. King, and J. M. Williams, Mindfulness online: A preliminary evaluation of the feasibility of a web-based mindfulness course and the impact on stress, BMJ Open, vol.2, issue.3, 2012.

L. Taylor, B. Strauss, C. Cavanagh, K. Jones, and F. , The effectiveness of selfhelp mindfulness-based cognitive therapy in a student sample: A randomised controlled trial, Behaviour Research and Therapy, vol.63, pp.63-69, 2014.

P. C. Molenaar and C. G. Campbell, The new person-specific paradigm in psychology, Current Directions in Psychological Science, vol.18, issue.2, pp.112-117, 2009.

,. Monest, M. Villatte, H. Mouras, G. Loas, and F. W. Bond, Traduction et validation franc ßaise du questionnaire d'acceptation et d'action (AAQ-II). Revue Europ eenne de Psychologie Appliqu ee, European Review of Applied Psychology, vol.59, issue.4, pp.301-308, 2009.

T. J. Morledge, D. Allexandre, E. Fox, A. Z. Fu, M. K. Higashi et al., Feasibility of an online mindfulness program for stress management-A randomized, controlled trial, Annals of Behavioral Medicine, vol.46, issue.2, pp.137-148, 2013.

J. C. Norcross, Integrating self-help into psychotherapy: 16 practical suggestions, Professional Psychology: Research and Practice, vol.37, issue.6, pp.683-693, 2006.

I. Nykl-i-cek and K. F. Kuijpers, Effects of mindfulness-based stress reduction intervention on psychological well-being and quality of life: Is increased mindfulness indeed the mechanism?, Annals of Behavioral Medicine, vol.35, issue.3, pp.331-340, 2008.

J. Quoidbach, M. Mikolajczak, and J. J. Gross, Positive interventions: An emotion regulation perspective, Psychological Bulletin, vol.141, issue.3, pp.655-693, 2015.

A. Rozental, G. Andersson, J. Boettcher, D. D. Ebert, P. Cuijpers et al., Consensus statement on defining and measuring negative effects of Internet interventions, Internet Interventions, vol.1, issue.1, pp.12-19, 2014.

M. Salama-younes, A. Montazeri, A. Isma?-il, and C. Roncin, Factor structure and internal consistency of the 12-item General Health Questionnaire (GHQ-12) and the Subjective Vitality Scale (VS), and the relationship between them: A study from France, Health and Quality of Life Outcomes, vol.7, issue.1, 2009.

Z. V. Segal, J. M. Williams, and J. D. Teasdale, Mindfulness-based cognitive therapy for depression: A new approach to relapse prevention, 2002.

S. L. Shapiro, K. W. Brown, C. Thoresen, and T. G. Plante, The moderation of mindfulness-based stress reduction effects by trait mindfulness: Results from a randomized controlled trial, Journal of Clinical Psychology, vol.67, issue.3, pp.267-277, 2011.

S. L. Shapiro, L. E. Carlson, J. A. Astin, and B. Freedman, Mechanisms of mindfulness, Journal of Clinical Psychology, vol.62, issue.3, pp.373-386, 2006.

S. L. Shapiro, G. E. Schwartz, and C. Santerre, Meditation and positive psychology, The Oxford handbook of positive psychology, pp.632-645, 2002.

C. D. Spielberger, R. L. Gorsuch, and R. E. Lushene, STAI Manual for the StateTrait Anxiety Inventory, 1970.

M. P. Spijkerman, W. T. Pots, and E. T. Bohlmeijer, Effectiveness of online mindfulness-based interventions in improving mental health: A review and metaanalysis of randomised controlled trials, Clinical Psychology Review, vol.45, pp.102-114, 2016.

C. Strauss, K. Cavanagh, A. Oliver, and D. Pettman, Mindfulness-based interventions for people diagnosed with a current episode of an anxiety or depressive disorder: A meta-analysis of randomised controlled trials, PLoS ONE, vol.9, issue.4, 2014.

T. E. Wimberley, L. B. Mintz, and H. Suh, Perfectionism and mindfulness: Effectiveness of a bibliotherapy intervention, Mindfulness, vol.7, issue.2, pp.433-444, 2016.