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Dive into the research topics where Jean-Luc Kop is active.

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Featured researches published by Jean-Luc Kop.


Psycho-oncology | 2012

Anxiety and specific distress in women at intermediate and high risk of breast cancer before and after surveillance by magnetic resonance imaging and mammography versus standard mammography

Anne Brédart; Jean-Luc Kop; Mouhamadou Fall; Sandra Pelissier; Cécile Simondi; Sylvie Dolbeault; Alain Livartowski; A. Tardivon

Intensive surveillance in women at intermediate and high breast cancer risk is currently investigated in a French prospective, non‐randomized, multicentre study. Two surveillance modalities, standard imaging—mammography ± ultrasound (‘Mx’)—or standard imaging with magnetic resonance imaging (‘MRI’), provided according to the level of breast cancer risk, are compared on psychological distress.


Frontiers in Psychology | 2017

Modeling Psychological Attributes in Psychology – An Epistemological Discussion: Network Analysis vs. Latent Variables

Hervé Guyon; Bruno Falissard; Jean-Luc Kop

Network Analysis is considered as a new method that challenges Latent Variable models in inferring psychological attributes. With Network Analysis, psychological attributes are derived from a complex system of components without the need to call on any latent variables. But the ontological status of psychological attributes is not adequately defined with Network Analysis, because a psychological attribute is both a complex system and a property emerging from this complex system. The aim of this article is to reappraise the legitimacy of latent variable models by engaging in an ontological and epistemological discussion on psychological attributes. Psychological attributes relate to the mental equilibrium of individuals embedded in their social interactions, as robust attractors within complex dynamic processes with emergent properties, distinct from physical entities located in precise areas of the brain. Latent variables thus possess legitimacy, because the emergent properties can be conceptualized and analyzed on the sole basis of their manifestations, without exploring the upstream complex system. However, in opposition with the usual Latent Variable models, this article is in favor of the integration of a dynamic system of manifestations. Latent Variables models and Network Analysis thus appear as complementary approaches. New approaches combining Latent Network Models and Network Residuals are certainly a promising new way to infer psychological attributes, placing psychological attributes in an inter-subjective dynamic approach. Pragmatism-realism appears as the epistemological framework required if we are to use latent variables as representations of psychological attributes.


Psycho-oncology | 2015

Breast cancer survivors' perceived medical communication competence and satisfaction with care at the end of treatment.

Anne Brédart; Jean-Luc Kop; Chavie Fiszer; Brigitte Sigal-Zafrani; Sylvie Dolbeault

Information is a care priority in most breast cancer survivors (BCS). We assessed whether BCS information needs at 8 months after hospital cancer treatment could be related to their age, education level, perceived medical communication competence, satisfaction with care, attachment style, and self‐esteem.


European Journal of Personality | 2017

A network approach to affect regulation dynamics and personality trait-induced variations: Extraversion and neuroticism moderate reciprocal influences between affect and affect regulation strategies

Jean-Baptiste Pavani; Sarah Le Vigouroux; Jean-Luc Kop; Anne Congard; Bruno Dauvier

The objectives of the present study were twofold. First, we tested a new approach to affect regulation dynamics, conceptualized as a network made up of the reciprocal influences that affect and affect regulation strategies constantly exert on each other. Second, we attempted to gain a better understanding of these dynamics by examining how they vary according to broad personality traits. To this end, we adopted an experience sampling method, involving five daily assessments over a 2–week period. In each assessment, participants indicated their current affective experience and the way they had implemented five well–known affect regulation strategies (i.e. appreciation, positive reappraisal, distraction, expressive suppression, and rumination) since the previous assessment. At the sample level, the network of affect regulation dynamics was characterized by positive feedback loops between positive affect and so–called broad–minded strategies, and between negative affect and narrow–minded strategies. The form of this network varied according to levels of extraversion and neuroticism. Our findings are discussed in light of current knowledge about personality and affect regulation. Copyright


Theory & Psychology | 2018

Measurement, ontology, and epistemology: Psychology needs pragmatism-realism

Hervé Guyon; Jean-Luc Kop; Jacques Juhel; Bruno Falissard

Measurement in psychology is at the heart of a major debate in the academic literature. We aim to contribute to a critical discussion of this issue. We propose to reposition the object of this type of measure, namely a mental attribute as measured by mental tests. Mental attributes should be considered not as a true object independent of the knower, but as an emergent property of a person dependent on the social context. On the basis of this clarified ontology, we consider that an empirical approach to measuring a mental attribute is possible. This approach must be resolutely pragmatist and realist. In practical terms, this means that a test needs to be renegotiated relative to the context. The validation of quantitative measures requires verification of a certain number of criteria. Consequently, our work critically explores measures as they are usually implemented in the area of psychometrics.


International Journal of Environmental Research and Public Health | 2018

Patient-Centered Care in Breast Cancer Genetic Clinics

Anne Brédart; Amélie Anota; Julia Dick; Violetta Kuboth; Olivier Lareyre; Antoine de Pauw; Alejandra Cano; Dominique Stoppa-Lyonnet; Rita K. Schmutzler; Sylvie Dolbeault; Jean-Luc Kop

With advances in breast cancer (BC) gene panel testing, risk counseling has become increasingly complex, potentially leading to unmet psychosocial needs. We assessed psychosocial needs and correlates in women initiating testing for high genetic BC risk in clinics in France and Germany, and compared these results with data from a literature review. Among the 442 counselees consecutively approached, 212 (83%) in France and 180 (97%) in Germany, mostly BC patients (81% and 92%, respectively), returned the ‘Psychosocial Assessment in Hereditary Cancer’ questionnaire. Based on the Breast and Ovarian Analysis of Disease Incidence and Carrier Estimation Algorithm (BOADICEA) BC risk estimation model, the mean BC lifetime risk estimates were 19% and 18% in France and Germany, respectively. In both countries, the most prevalent needs clustered around the “living with cancer” and “children-related issues” domains. In multivariate analyses, a higher number of psychosocial needs were significantly associated with younger age (b = −0.05), higher anxiety (b = 0.78), and having children (b = 1.51), but not with country, educational level, marital status, depression, or loss of a family member due to hereditary cancer. These results are in line with the literature review data. However, this review identified only seven studies that quantitatively addressed psychosocial needs in the BC genetic counseling setting. Current data lack understandings of how cancer risk counseling affects psychosocial needs, and improves patient-centered care in that setting.


Psychology and Aging | 2017

Reactive or proactive? Age differences in the use of affective regulation strategies.

Sarah Le Vigouroux; Jean-Baptiste Pavani; Bruno Dauvier; Jean-Luc Kop; Anne Congard

We examined age-related differences in the reactive and proactive use of affect regulation strategies. We collected data from 209 participants 13–80 years of age, using an experience sampling method. The most interesting finding was that, as hypothesized, compared with those under 20, adults 20 and over used the 2 strategies we focused on (i.e., problem solving and positive reappraisal) more intensely and in a reactive manner. By contrast, from the age of about 55 upward, adults were characterized by a more intensely proactive use of these strategies. Results are discussed in the light of age differences in motivation.


International Journal of Occupational and Environmental Health | 2016

Systematic comparative content analysis of 17 psychosocial work environment questionnaires using a new taxonomy

Jean-Luc Kop; Virginie Althaus; Nadja Formet-Robert; Vincent Grosjean

Background: Many questionnaires have been developed to measure how psychosocial characteristics are perceived in a work environment. But the content validity of these questionnaires has rarely been questioned due to the absence of a reference taxonomy for characteristics of work environments. Objectives: To propose an exhaustive taxonomy of work environment characteristics involved in psychosocial risks and to apply this taxonomy to questionnaires on workplace psychosocial factors. Methods: The taxonomy was developed by categorizing factors present in the main theoretical models of the field. Questionnaire items most frequently cited in scientific literature were retained for classification. Results: The taxonomy was structured into four hierarchical levels and comprises 53 categories. The 17 questionnaires analyzed included 927 items: 59 from the “physical environment” category, 116 from the “social environment” category, 236 from the “work activity” category, 255 from the “activity management” category, and 174 from the “organizational context” category. Conclusions: There are major content differences among analyzed questionnaires. This study offers a means for selecting a scale on the basis of content.


Psycho-oncology | 2015

Quality of care in the oncology outpatient setting from patients' perspective: a systematic review of questionnaires' content and psychometric performance.

Anne Brédart; Jean-Luc Kop; Fabio Efficace; A. Beaudeau; T. Brito; Sylvie Dolbeault; Neil K. Aaronson


Le travail humain | 2013

Critical review of theoretical models linking work environment, stress and health: towards a meta-model

Virginie Althaus; Jean-Luc Kop; Vincent Grosjean

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Vincent Grosjean

Institut national de recherche et de sécurité

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Virginie Althaus

Institut national de recherche et de sécurité

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Bruno Dauvier

Aix-Marseille University

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Anne Congard

Aix-Marseille University

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