206 research outputs found

    Ideology and Philosophy in Aristotle's Theory of Slavery

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    The cognitive and personality differences of supernatural belief.

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    This thesis set out to meet the following aim and objectives: Aim: Examine cognition and personality of people who hold different types of supernatural belief. Objective 1: Create and validate a new scale to measure supernatural belief. Objective 2: Create and test a new model of supernatural belief based on cognition and personality. This would potentially test two hypotheses: the Cognitive Deficits Hypothesis and the Psychodynamics Functions Hypothesis. This was accomplished by conducting four studies. Studies one and two created and validated the new Belief in the Supernatural Scale (BitSS), a 44 item scale with the following five factors: ‘mental and psychic phenomena’, ‘religious belief’, ‘psychokinesis’, ‘supernatural entities’, and ‘common paranormal perceptions’. Cognition and personality would be looked at within the context of four different types of believer: ‘believers’, ‘paranormal believers’, ‘sceptics’ and ‘religious believers’. Study three revealed two profiles relating to cognition: ‘reflective thinkers’ and ‘intuitive believers’. The reflective profile was more likely to contain ‘sceptics’ and ‘believers’, and least likely to contain ‘paranormal believers’. The intuitive group was more likely to contain ‘religious believers’ and ‘believers’. The final study looked at personality alongside cognition and revealed ‘sensitive and abstract thinkers’ and ‘reflective metacognitive dogmatists’ profiles. The ‘sensitive and abstract thinkers’ were least likely to contain ‘sceptics’ and ‘religious believers’ and most likely to contain ‘believers’ and ‘paranormal believers’. The ‘reflective metacognitive dogmatists’ were most likely to contain ‘religious believers’ and ‘believers’ and least likely to contain ‘paranormal believers’. Following this analysis, Structural Equation Modelling was used to test seven different models of personality, cognition and belief. Studies one and two indicated a clear separation of religious and paranormal belief within the new scale, and that spiritual belief overlaps between the two. The scale developed was reliable and valid, and accurately reflected the concept of supernatural belief and enabled the measurement of religious and paranormal belief, where the overlaps were acknowledged whilst still being separate beliefs. Studies three and four found the ‘sceptics’ and ‘religious believers’ have remarkably similar profiles, indicating that the religious beliefs themselves may have been cognitively ring-fenced off in some way. The ‘paranormal believers’ however were not reflective thinkers and were not metacognitively active, indicating that they were not aware that they were not thinking critically or analytically. The Structural Equation Model showed that schizotypy was the main predictor of belief. The relationship between belief and cognition was more complex; it was dependent on what type of belief was active. Paranormal belief required a more intuitive thinking style to be present, whereas religious belief could withstand a reflective mind set. This thesis develops a new scale that measures supernatural belief provides a unique contribution to knowledge by establishing a model of cognition, personality and belief.the Bial Foundation, Porto (Grant Number: 355/14)

    Dissociative tendencies, sensory processing sensitivity and aberrant salience as predictors of anomalous experiences and paranormal attributions.

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    An online survey completed by 307 adults was undertaken to examine the relationship between the reporting of parapsychological experiences and three psychological dimensions, namely dissociative tendencies, sensory-processing sensitivity and aberrant salience. In contrast with most previous studies of parapsychological experiences, cognizance was taken of a distinction between a proneness to have anomalous experiences and a proneness to attribute such experiences to paranormal factors. All three psychological predictors were found to be related both to a proneness to anomalous experiences and to a proneness to paranormal attributions. Possible implications of these findings for the basis of parapsychological experiences are indicated

    Assessing Domain Specificity in the Measurement of Mathematics Calculation Anxiety

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    An online, cross-sectional approach was taken, including an opportunity sample of 160 undergraduate students from a university in the Midlands, UK. Exploratory factor analysis indicated a parsimonious, four-factor solution: abstract maths anxiety, statistics probability anxiety, statistics calculation anxiety, and numerical calculation anxiety. The results support previous evidence for the existence of a separate “numerical anxiety” or “arithmetic computation” anxiety component of maths anxiety and also support the existence of anxiety that is specific to more abstract maths. This is the first study to consider the multidimensionality of maths anxiety at the level of the calculation type. The 26-item Maths Calculation Anxiety Scale appears to be a useful measurement tool in the context of maths calculation specifically.N/

    Mental representations of the supernatural: A cluster analysis of religiosity, spirituality and paranormal belief

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    The aim of the study was to establish a new typology of belief in the supernatural; categorising people, based on their levels of religiosity, spirituality and paranormal belief. Examining how the various beliefs are defined was a further objective. The reasons for people having different levels of these beliefs were discussed, highlighting ‘Metaphysical Chauvinism’ as a possible explanation. Previous research that used variousmethods to measure religiosity, spirituality and paranormal belief were discussed. Participants (n = 307) completed an online survey consisting of the revised Religious Life Inventory (rRLI), the Intrinsic Spirituality Scale (ISS) and the revised Paranormal Belief Scale (rPBS). Two cluster analyses were performed: one on the three main scales and a secondary analysis on the ISS, the subscales of the rRLI and the rPBS. The results revealed a four cluster solution for each analysis. For the main analysis the clusters were ‘believers’, ‘paranormal believers’, ‘sceptics’ and ‘religious believers’. Metaphysical Chauvinism was supported; however, it was acknowledged that there still appears to be a lack of consensus when defining supernatural beliefs. It is proposed that the cluster analysis approach is more effective than a simple scale when trying establish how a person believes

    Stratigraphy of volcanic rock successions of the North Atlantic Rifted Margin : the offshore record of the Faroe Shetland and Rockall Basins

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    Open Access via the CUP Read and Publish Agreement Acknowledgements The authors would like to thank Simon Kelley for comments on an earlier draft of the manuscript and for discussions on radiometric age dating. Dougal Jerram and John Faithfull are thanked for their constructive and helpful comments on the manuscript. PGS are thanked for permission to publish FSB MegaSurvey Plus data shown in Figures 6 and 8. PGS and TGS are thanked for permission to publish seismic data from the FSB2012 GeoStreamer survey also shown in Figure 6. Data used in Figure 19 are courtesy of GeoPartners and TGS, processing by DUG. IHS Kingdom Suite and Schlumberger Petrel Software are thanked for their donation of academic licenses to the University of Aberdeen.Peer reviewedPublisher PD

    Host reticulocytes provide metabolic reservoirs that can be exploited by malaria parasites

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    Human malaria parasites proliferate in different erythroid cell types during infection. Whilst Plasmodium vivax exhibits a strong preference for immature reticulocytes, the more pathogenic P. falciparum primarily infects mature erythrocytes. In order to assess if these two cell types offer different growth conditions and relate them to parasite preference, we compared the metabolomes of human and rodent reticulocytes with those of their mature erythrocyte counterparts. Reticulocytes were found to have a more complex, enriched metabolic profile than mature erythrocytes and a higher level of metabolic overlap between reticulocyte resident parasite stages and their host cell. This redundancy was assessed by generating a panel of mutants of the rodent malaria parasite P. berghei with defects in intermediary carbon metabolism (ICM) and pyrimidine biosynthesis known to be important for P. falciparum growth and survival in vitro in mature erythrocytes. P. berghei ICM mutants (pbpepc-, phosphoenolpyruvate carboxylase and pbmdh-, malate dehydrogenase) multiplied in reticulocytes and committed to sexual development like wild type parasites. However, P. berghei pyrimidine biosynthesis mutants (pboprt-, orotate phosphoribosyltransferase and pbompdc-, orotidine 5â€Č-monophosphate decarboxylase) were restricted to growth in the youngest forms of reticulocytes and had a severe slow growth phenotype in part resulting from reduced merozoite production. The pbpepc-, pboprt- and pbompdc- mutants retained virulence in mice implying that malaria parasites can partially salvage pyrimidines but failed to complete differentiation to various stages in mosquitoes. These findings suggest that species-specific differences in Plasmodium host cell tropism result in marked differences in the necessity for parasite intrinsic metabolism. These data have implications for drug design when targeting mature erythrocyte or reticulocyte resident parasites

    Mental models or probabilistic reasoning or both: Reviewing the evidence for and implications of dual-strategy models of deductive reasoning

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    The present paper presents an overview of contemporary reasoning research to examine the evidence for and implications of the Dual Strategy Model of Reasoning. The Dual Strategy Model of Reasoning proposes that there are two types of reasoning strategy applied in deductive reasoning – counterexample and statistical. The paper considers Mental Models Theory and The Probability Heuristics Model as candidate specifications for these respective strategies and hypotheses are proposed on this basis. The Dual Strategy Model is further considered in the context of Dual Process theory, the Dual Source Model and Meta-reasoning and implications of the synergy between these proposals are considered. We finally consider the Dual Strategy Model in the context of individual differences, and normative considerations before proposing novel hypotheses and further avenues of research which we argue require exploration in this context.N/

    Development and validation of a short-form Pain Medication Attitudes Questionnaire (PMAQ-14)

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    Attitudes to pain medication are important aspects of adjustment to chronic pain. They are measured by the 47-item Pain Medication Attitudes Questionnaire (PMAQ). To measure those attitudes more quickly and easily, we developed and evaluated a 14-item PMAQ using data from three separate surveys of people with pain in the general population. In survey 1, participants (n=295) completed the 47-item PMAQ and measures of pain, analgesic use, analgesic dependence and attitudes to self-medication. For each of the seven PMAQ scales, the two items that best preserved the content of the parent scales were identified using correlation and regression. The 2-item and parent scales had very similar relationships with other measures, indicating validity had been maintained. The resulting 14-item PMAQ was then completed by participants in survey 2 (n=241) and survey 3 (n=147), along with the same other measures as in survey 1. Confirmatory factor analysis showed that the 14-item PMAQ retained the 7-factor structure of the 47-item version, and correlations with other measures showed it retained the validity of the 47-item version. The PMAQ scale Need was the most significant independent predictor of analgesic dependence in each of four separate multiple regression analyses. This short form of the PMAQ allows attitudes to pain medications to be measured in a valid and more efficient way.Survey 1 was part of Doctoral research undertaken by Omimah Said. Survey 2 was part of a study funded by a small grant awarded to James Elander and Omimah Said from the University of Derby’s Research for Learning and Teaching Fund. Survey 3 was part of a study funded by a British Psychological Society Undergraduate Research Assistantship bursary awarded to Ada Dys, and by a University of Derby Undergraduate Research Scholarship Scheme bursary awarded to Hannah Collins
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