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Pression temporelle et estimation du temps / Time pressure and time estimationMatha, Pauline 20 November 2015 (has links)
L’objectif majeur de cette thèse de doctorat est d’étudier la pression temporelle afin de mieux appréhender cette notion si familière et pourtant si peu étudiée. A partir de l’observation de l’omniprésence de cette pression temporelle dans notre société et de l’importance de la perception du temps dans nos activités quotidiennes, nous avons choisi de l’examiner à travers son influence sur l’estimation de durées. Pour ce faire, nous avons mis en place une série d’expérimentations : d’abord dans le cadre de la littérature sur l’estimation du temps, utilisant des tâches temporelle d’estimation verbale et de production de durées ; puis dans le cadre de la littérature sur la mémoire prospective, et plus précisément avec des tâches de mémoire prospective basée sur le temps. Notre hypothèse est que la pression temporelle provoque une modification du temps perçu. Les résultats de nos premières expérimentations réalisées avec des tâches temporelles d’estimation verbale et de production de durées révèlent que soumettre des participants à une condition de pression temporelle provoque une distorsion temporelle comparée à une condition sans pression temporelle. Cette distorsion temporelle va dans le sens d’une surestimation des durées. En revanche, aucun effet de la pression temporelle n’a été relevé dans les expérimentations réalisées avec les tâches de mémoire prospective basée sur le temps, si ce n’est sur les performances à la tâche non temporelle, aussi appelée tâche en cours. / This doctoral thesis aims at investigating time pressure to have a better understanding of this so familiar concept and yet so little studied. On the one hand, time pressure is ubiquitous in our occidental society; on the other hand, time perception is essential in our daily activities. Then, we have consciously opted to study time pressure through its effects on time estimation. To this end, we elaborate series of experiments within two different frameworks; time estimation literature with two different tasks (verbal estimation and time production) and prospective memory literature, more precisely with time-based prospective memory tasks. Our assumption is that time pressure leads to a subjective time distortion. The results of our experiments reveal that time pressure causes a temporal distortion when participants have to estimate or produce a duration: in the condition with time pressure they overestimate durations, compared to a condition without time pressure. In contrast, no time pressure effect is revealed on the temporal component of our time-based prospective memory task; but performance on the ongoing task is affected by time pressure.
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Investigating the role of personality on prospective memory performance in young adults using a multi-trait multi-method approachTalbot, Karley-Dale 31 August 2020 (has links)
Prospective memory (PM) refers to a person’s ability to remember to do something in the future. It is a complex behaviour that is essential for the daily functioning of young and old alike. Despite its importance in everyday life, few studies have sought to examine the role of personality on PM performance using a multi-trait multi-method approach in young adults. The current study aimed to investigate the differential roles of the Big 5 personality traits on event- and time-based PM performance using multiple measurement methods. In addition, the study aimed to add to the current PM and personality literature by addressing several of the identified methodological limitations of the literature as outlined by Uttl and colleagues (2013). Results demonstrated few strong relationships between PM subtypes (event and time-based) performance indicators, though performance on the lab-based event-based PM task was stronger than on the lab-based time-based PM task even after controlling for ongoing task performance. Participants were also found to perform better on lab-based rather than naturalistic PM tasks. Naturalistic and self-report PM measures were significantly related to each other, but not to lab-based PM. Regarding personality, the relationship between specific personality traits and PM performance differed depending on the PM subtype and/or measurement method being investigated with conscientiousness, memory aid strategy use, and substance use engagement being found to best predict self-reported PM errors in daily life. The current study demonstrated that each PM measurement method taps into different aspects of behavioural and cognitive functioning. Without the use of all three measurement methods, whilst also considering the individuality of the client, researchers and clinicians may be doing a disservice to individuals with true PM difficulties as they may overlook important factors contributing to their poorer performance. / Graduate
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