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161.
Max A. Freund 《Studia Logica》2001,69(3):351-380
With the past and future tense propositional operators in its syntax, a formal logical system for sortal quantifiers, sortal identity and (second order) quantification over sortal concepts is formulated. A completeness proof for the system is constructed and its absolute consistency proved. The completeness proof is given relative to a notion of logical validity provided by an intensional semantic system, which assumes an approach to sortals from a modern form of conceptualism. 相似文献
162.
Y. Yang Y. Griep T. Vantilborgh 《European Journal of Work and Organizational Psychology》2020,29(2):183-199
ABSTRACTThe psychological contract (PC) is a dynamic process, where employees actively and passively adjust their perceptions of obligated and delivered inducements. In this study, we focus on the temporal changes in employee’s perceptions of obligated and delivered inducements and show that these micro-level dynamics take place at every stage through the PC process. We introduce a dynamic systems perspective to understand these temporal fluctuations. We show that employees’ perceptions of obligated and delivered inducements interact with each other and form a dynamic system. We compared daily and weekly time-frames and found that the daily time-frame maximizes the temporal fluctuations of employees’ perceptions of obligated and delivered inducements, whereas the weekly frame captures more complex trajectories. Furthermore, inducements that are explicitly communicated demonstrate more temporal fluctuations than inducements that are not explicitly communicated. We advance PC theory by providing more understanding of the temporal dynamics of employees’ perceptions of obligated and delivered inducements. We provide practical guidelines for the choice of an ideal time-frame to study employees’ perceptions of obligated and delivered inducements, depending on the specific inducements and the aim of the research. We propose that researchers further integrate dynamic systems theory into PC models. 相似文献
163.
ABSTRACT Whether visual short-term memory can be lost over an unfilled delay, in line with time-dependent forgetting, is controversial and prior work has yielded mixed results. The present study explored time-dependent forgetting in visual short-term memory in relation to other factors. In three experiments, participants compared single target and probe objects over a 2 s or 10 s retention interval. The objects across trials were either similar or dissimilar (Experiment 1) and had to be remembered in the presence of an additional distractor (Experiment 2) or under conditions where the amount of time separating trials varied (Experiment 3). In all experiments, the retention interval manipulation made the biggest contribution to performance, with accuracy decreasing as the retention interval was lengthened from 2 s to 10 s. These results pose problems for interference and temporal distinctiveness models of memory but are compatible with temporal forgetting mechanisms such as decay. 相似文献
164.
Peter W. Milne 《Journal of the British Society for Phenomenology》2020,51(3):201-214
ABSTRACT While Lyotard's first book was an introduction to phenomenology, most of the work that follows can be said to openly challenge the limits of phenomenological analysis. This is particularly evident in the well-known writings on the Kantian sublime, which Lyotard reads as a “temporal crisis” that undoes the conscious knowing subject and escapes “experience” in the phenomenological sense. Nonetheless, if this allows him to relate the sublime to Freud's “unconscious affect,” this “crisis” only becomes visible in contrast to a figure of subjective temporalization the model of which, I argue, is broadly Husserlian. Approaching the sublime as a temporal crisis thus allows not only for a clearer view of the import of Lyotard's late work on the affect with regard to subjectivity, knowledge, and experience; it also reveals what that work continues to owe to a certain phenomenological analysis. 相似文献
165.
Many philosophers hold that ‘one-instant worlds’—worlds that contain a single instant—fail to contain time. We experimentally investigate whether these worlds satisfy the folk concept of time. We found that ~50% of participants hold that there is time in such worlds. We argue that this suggests one of two possibilities. First, the population disagree about whether at least one of the A-, B-, or C-series is necessary for time, with there being a substantial sub-population for whom the presence of neither an A-, B-, nor C-series, is necessary for time, and hence those folk have a radically more minimal concept of time than has been attributed to them by philosophers. Or, second, the population do not disagree about whether at least one of the A-, B-, or C-series is necessary for time, but disagree about what it takes for a world to fail to contain even a C-series. 相似文献
166.
Across two studies participants completed a learning phase comprised of two types of trials: context pairing trials in which two (valenced or non-valenced) words were identical or opposite to one another and evaluative conditioning (EC) trials in which a CS was paired with a US. Based on the idea that EC occurs because CS-US pairings function as a symbolic cue about the relation between the CS and the US, we hypothesised that the nature of context pairings (identical or opposite) might moderate EC effects. Results indicate that identity-based context pairs led to typical assimilative explicit and implicit effects whereas opposition-based pairs led to attenuated effects. Implications and different accounts of our findings are discussed. 相似文献
167.
168.
Four online grocery‐shopping experiments and one field study using video‐tracking technology at a grocery store document how shoppers’ motivation evolves from the beginning to the end of their shopping trips. We uncover unique motivational patterns as shoppers achieve multiple subgoals (i.e., choose multiple grocery items) to complete their trips: a monotonic decrease in motivation for shoppers with a shopping list versus a curvilinear trend (i.e., decrease then increase) in motivation for shoppers without a list. In addition, we demonstrate how to reverse the observed patterns for shoppers with a list by changing their reference points for tracking progress. The discovery of the moderating role of shopping‐list usage adds to the bubbling dialogue in goal pursuit and shopper psychology research concerning how consumer motivation follows either a monotonic trend (e.g., a goal gradient effect) or a nonmonotonic trend (e.g., the stuck‐in‐the‐middle effect). Importantly, we demonstrate how the stuck‐in‐the‐middle theory, which applies to single‐goal pursuits, can apply more broadly to the domain of grocery shopping, which consists of the generation and completion of multiple subgoals. 相似文献
169.
《Thought: A Journal of Philosophy》2017,6(1):54-60
David Lewis (1976a: 22) defends the following \"non‐circular definition of personhood\": \"something is a continuant person if and only if it is a maximal R‐interrelated aggregate of person‐stages. That is: if and only if it is an aggregate of person‐stages, each of which is R‐related to all the rest (and to itself), and it is a proper part of no other such aggregate.\" I give a counterexample, involving a person who is a part of another, much larger person, with a separate mental life. I then offer an easy repair, which preserves the virtues of Lewis's definition without introducing any new vices. 相似文献
170.
How are appropriate combinations of forelimb muscles selected during reach-to-grasp movements in the presence of neuromotor redundancy and important task-related constraints? The authors tested whether grasp type or target location preferentially influence the selection and synergistic coupling between forelimb muscles during reach-to-grasp movements. Factor analysis applied to 14–20 forelimb electromyograms recorded from monkeys performing reach-to-grasp tasks revealed 4–6 muscle components that showed transport/preshape- or grasp-related features. Weighting coefficients of transport/preshape-related components demonstrated strongest similarities for reaches that shared the same grasp type rather than the same target location. Scaling coefficients of transport/preshape- and grasp-related components showed invariant temporal coupling. Thus, grasp type influenced strongly both transport/preshape- and grasp-related muscle components, giving rise to grasp-based functional coupling between forelimb muscles. 相似文献