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211.
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
212.
Yining Wang;Wen Liu;Ye Liang;Yongqiang Li;Xingnan Fan;Xinyu Jiang;Yanjie Su; 《International journal of psychology》2024,59(6):973-982
Left-behind children, as a large-scale disadvantaged group, encounter an array of risk factors that impede their academic development because of parental migration. The current study aimed at investigating the roles of left-behind cumulative risk and growth mindset on academic adjustment and exploring whether growth mindset moderated the association between left-behind cumulative risk and academic adjustment in left-behind middle school students. A total of 1184 left-behind middle school students (615 males; 12–16 years) participated in the study. Results indicated that left-behind cumulative risk is negatively associated with academic adjustment in middle school students (β = −.199, t(1183) = −7.229, p < .001). Besides, growth mindset has a protective effect on left-behind middle school students' academic adjustment (β = .386, t(1183) = 14.070, p < .001) and a moderating effect on the relationship between left-behind cumulative risk and academic adjustment (β = .394, t(1182) = 4.057, p < .001, ΔR2 = .012). These findings suggest that family risk factors related to left-behind status affect the academic adjustment of left-behind middle school students in a superposition way, while the positive individual factor of growth mindset could protect the negative impact caused by parental migration. 相似文献
213.
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
214.
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
215.
How couples handle marital conflict may depend on what issues they are facing, as some issues may be more difficult to resolve than others. What is unclear, however, is what issues happy couples face and how these issues may be different for couples depending on their developmental stage. To explore this possibility, the current study used both self-reports and observations drawn from two separate samples of happily married couples—one early in middle adulthood (N = 57 couples; average marital duration = 9 years) and one in older adulthood (N = 64 couples; average marital duration = 42 years). Results indicated that all issues were relatively minor, but early middle-aged couples reported more significant problems than did older couples. As to determining the most salient topic for happy couples, it depended on the spouses’ gender, developmental stage, and how salience was assessed (i.e., highest rated issue vs. most discussed issue). Only moderate links were found between what happy couples said was their most serious concern and what they actually tried to resolve during observations of marital problem-solving, but there were differences in how spouses behaved based on the proportion of their time discussing certain topics. Findings suggest that more attention should be devoted to understanding what marital issues happy couples discuss and why, as doing so may reveal how couples maintain their marital happiness. 相似文献
216.
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
217.
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
218.
Peter E. Makari 《Dialog》2019,58(3):205-211
Following the important work of the 1980s and 1990s by the US churches and ecumenical bodies in developing interfaith statements and policies, significant events in both the US and international arenas were coincidental and motivational for US Christians to reconsider their interreligious engagement in a new context. This article examines the major contextual factors, as well as ecumenical developments with particular attention to the United Church of Christ and the National Council of Churches, which also will consider new statements in 2019. 相似文献
219.
220.
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