1,721,011 research outputs found
Et si nous arrêtions d'utiliser systématiquement l’analyse en composantes principales (PCA)? Efficacité des méthodes d’extraction de facteurs dans l’analyse factorielle exploratoire (EFA).
No full textFabrigar et al. (1999) et, en suite Worthington et Whittaker (2006) décrivaient les limites de l’utilisation de la PCA comme méthode d’extraction de facteurs dans les procédures d’EFA. Les auteurs soulignent que l’abus de cette pratique s’explique probablement par le fait que cette méthode est présentée comme premier choix dans la plupart des logiciels d’analyse des données.
L’objectif de ce travail est de montrer qu’il y a encore un excès d’utilisation dans la pratique de la PCA et, de l’autre, de donner des indications de base pour le choix d’une méthode correcte pour l’EFA.
Ce travail recense les principaux travaux de recherche parus, entre 2011 et 2013, dans des revues à facteur d'impact dans lesquels l’EFA est conduite avec la PCA. On met en évidence comme cette pratique soit encore utilisée de façon incorrecte dans le domaine de la recherche en psychologie. Sur un total de 1203 articles portant sur l’adaptation et la validation d’échelles psychologiques, 162 (13.5%) n'utilisait que la PCA et 265 (22%) l’utilisait la PCA de façon impropre, associé a d’autres méthodes d’analyse. Les 776 autres articles (64.5%) utilisaient d’autres méthodes d’extraction de facteurs (ou bien la PCA pour valider des structures à un seul facteur).
Le travail fournira aussi les critères de base nécessaires à une application correcte des méthodes d’EFA (Thompson, 2004) par exemple le choix d’une méthode cohérente avec les éventuelles violations de normalité de l’échantillon, avec un exemple démontrant comment la PCA entraine une distorsion signifiante des résultats. Nos résultats montrent que d’autres procédures d’extraction (Principal Axis Factoring, Maximum Likelihood Estimation) sont supérieures aux méthodes de PCA en termes d’efficacité dans la distribution de la variance en rapport aux différents facteurs extraits.
On souhaite que nos échelles soient valides et fiables : Auriez-vous confiance en l’efficacité d’un baromètre qui mesure la fièvre
Disturbo narcisistico e ossessivo-compulsivo : uno sguardo diverso
Full text linkThe attention trained on psychopathological disorders (both clinical and of the personality) has always focused mainly on identifying the so-called symptoms. The Diagnostic and Statistical Manual of mental disorders (the DSM in all its editions) sets itself the main objective of giving a detailed description of the symptomatological situations that can be linked to a certain disorder so as to be able to help the clinician to formulate the correct diagnosis.
To give an example, if we as psychotherapists find at least five of the following nine symptoms in our patients: 1) great sense of importance, 2) feeling that he is special and unique, 3) fantasies of success, power, fascination, beauty and ideal love, 4) excessive demands for admiration, 5) feeling that everything is owed to him, 6) tendency to take advantage of others to achieve his own goals, 7) lack of empathy, 8) envy, 9) arrogance and presumption, we can say that we are looking at a subject presenting a narcissistic personality disorder.
From our point of view, while the help of any kind of diagnostic manual (ICD 10, DSM IV, etc.) can be useful in making an accurate diagnosis, it is insufficient in understanding the complex psychological dynamics that are at the source of our patients’ suffering.
In other words, the narcissist is not only the sum of five symptoms; the narcissist is first of all a person with a history of his own, with his own culture, and with his own suffering, that makes him an absolutely unique person.
Having stated this premise, aimed at affirming the importance both of not stopping at the symptom, and of avoiding generalizations that do not take the specificity of every single individual into account, in this article we will try to extend the field of knowledge about two specific personality disorders: narcissistic disorder and obsessive-compulsive disorder
Organizzazioni del potere o potere delle organizzazioni? Un contributo empirico alla misurazione del sentimento del potere mediante il Leadership Opinion Questionnaire di Fleishman.
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Un contributo alla validazione italiana del depressive experiences questionnaire: primi risultati su un gruppo non clinico
No full textThe relation between workplace attachment style, design satisfaction, privacy and exhaustion in office employees: A moderated mediation model
No full textThe role played by place attachment in the prediction of positive or negative outcomes for people wellbeing has been analyzed in various environments, nevertheless the work environment is still understudied. The aim of this research was to test the relationship between the three workplace attachment styles (i.e., secure, avoidant, and preoccupied) and employees' exhaustion, considering also satisfaction toward the workplace design as a possible mediator and privacy as a possible moderator. Data were collected through a self-report questionnaire filled in by 270 employees in different offices. Results show that preoccupied and avoidant workplace attachment are associated with high exhaustion, whereas secure workplace attachment is connected to low exhaustion. Such relationships are mediated by workplace design satisfaction in opposite sense for secure and avoidant (but not for preoccupied) workplace attachment. Finally, the amplification effect of privacy was found only in the relationship between secure workplace attachment and exhaustion. Overall, these findings prove the importance of considering both workplace attachment patterns and design features (including privacy issues) for promoting a better work experience in office employees
The moderating role of personality in the relationship between temporal perspectives and facebook addiction
Full text linkIn the present paper, we tested the hypothesis that neuroticism moderates the relationship between past-negative or present-fatalistic temporal perspectives and Facebook addiction. A sample of 233 Facebook users (Female: 66%, mean age: 21.4 years) filled self-reports measures of temporal perspective, personality traits, and Facebook Addiction. Results at two moderation models showed that only past-negative significantly predicts Facebook addiction through neuroticism's moderation effect. Individuals with a negative temporal orientation to the past, who are also characterized by a high neuroticism level, were more addicted to Facebook. Peculiar associations between past-negative temporal perspective with neuroticism personality trait in determining Facebook addiction were theoretically discussed. Practical implications of the study are also highlighted
The Italian version of the Thinking About Life Experiences Questionnaire and its relationship with gender, age, and life events on Facebook
Full text linkThe present study provided a cross-cultural validation of the Thinking About Life Experiences Scale-revised (TALE-R) in an Italian sample of Facebook users (n = 492; female = 378; male = 114; mean age 26.1) to test for replication and universality of the TALE-R three-factor model. Furthermore, it explored the interrelations among gender, age, the scores at the TALE-R and the frequency of posting textual/visual information about individuals' life events on Facebook. Results at exploratory and confirmatory factor analysis gave empirical support to both of a tripartite model for the functions of autobiographical memory (i.e., directive-behavior, social-bonding, and self-continuity) and measurement invariance of this three-factor model across gender and age. Further results at linear correlation and regression analyses showed that directive-behavior and self-continuity functions of autobiographical memory are significantly related to the ways people use Facebook for personal documentation. Age differences more than gender influence this association. Discussion and conclusion reported both theoretical and empirical implications of the findings of the study
The relationship between fear of COVID-19 and intention to get vaccinated. The serial mediation roles of existential anxiety and conspiracy beliefs
Full text linkToday, we witness the progress toward global COVID-19 vaccinations organized by countries worldwide. Experts say a mass vaccination plan is the only effective antidote against the spread of SARS-COV-2. However, a part of the world population refuses vaccination. The present study aimed to understand the impact of some individual variables on the intention to get vaccinated. Through a serial mediation model, we tested the influence of fear of COVID-19 on the intention to get vaccinated and the serial mediating effect of existential anxiety and conspiracy beliefs. Via a cross-sectional design this research was conducted with the participation of 223 French adults (Female: 69.5%; Male: 30.5%; Mage = 30.26, SD = 13.24; range: 18–75 years) who responded to an online survey. The results showed a positive relationship between fear of COVID-19 and intention to get vaccinated; however, when this fear was associated with high levels of existential anxiety through conspiracy beliefs, the intention to get vaccinated decreased. Our findings were in line with Terror Management Health Model, which states that, in facing health threats, humans may strive to reduce their own perceived vulnerability not only by engaging in healthy behaviors but also denying or avoiding death anxiety, as anti-vaxxers do
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