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21.
Keita Masui Shouichi IriguchiMichio Nomura Mitsuhiro Ura 《Personality and individual differences》2011,51(7):823-828
We are often willing to incur personal costs in order to punish people that violate group norms. Previous studies have suggested that high-psychopathy participants may engage in more such “altruistic punishment behaviors” than those with lower levels of psychopathy. Although this finding could suggest that psychopathy is in fact associated with prosocial behavior, high-psychopathy participants show clear evidence of various decision-making and emotional deficits. It is therefore possible that the increased altruistic punishment behavior observed in psychopathy participants is in some fashion related to such deficits. To address this possibility, we administered the altruistic punishment paradigm to a group of university students with low and high levels of psychopathy (N = 50). We found that high-psychopathy participants (n = 24) gave defectors significantly more punishment than did low psychopathy participants (n = 26), under personally costly conditions. Furthermore, a mediational analysis revealed that the amount of altruistic punishment administered completely mediated the relationship between primary psychopathy and a person’s emotional gratification subsequent to performing the altruistic punishment behavior. These findings suggest that while high psychopathy participants do appear to engage in greater levels of altruistic punishment behavior, they may do this largely for their own emotional gratification. 相似文献
22.
The present study examined whether individuals' endorsement of intergroup context moderates the social comparison process not only in the intergroup upward comparison condition, but also in the downward comparison condition, by experimentally manipulating the direction of intergroup comparison and interpersonal comparison for participants who appraise their in-group as high or low. As predicted, participants who appraise their in-group as high showed reflection processes in the intergroup upward comparison condition, but comparison processes in the intergroup downward comparison condition because of their endorsement of their in-group position. In contrast, participants who appraised their in-group as low showed comparison processes in the intergroup upward comparison condition, but reflection processes in the intergroup downward comparison condition. These results imply that the interplay between intergroup context and individuals' internal factors affect intragroup comparison processes. 相似文献
23.
Ai Fukuzawa Keiko Katagiri Kazuhiro Harada Kouhei Masumoto Makoto Chogahara Narihiko Kondo Shuichi Okada 《Asian Journal of Social Psychology》2019,22(2):172-182
Ikigai, one of the indices of well‐being, tends to decline with age because resources relating to ikigai decline. However, there are individual differences in this decline. This study tested for maintenance of ikigai among Japanese elderly, using a longitudinal study investigating the moderating role of social capital on the effects of changes in human capital on ikigai. We conducted a panel survey targeting 1,068 people (M age = 73.01 years) in 2013, and 686 people in 2017. The variables were ikigai, changes in human capital (self‐rated financial status, physical health) and social capital (social networks, trust in others), educational level, and control variables. Multiple regression analyses revealed the interaction effects of changes in physical health and changes in social networks (strong ties, weak ties) on follow‐up ikigai. Post hoc analyses indicated that declines in physical health predicted declines in ikigai among those whose social networks (strong ties and weak ties) had declined in the 4‐year study, but these relationships were not significant among those whose social networks had increased. The results suggest that older adults can weaken the adverse effect of a decline in human capital on ikigai by maintaining or increasing social networks. 相似文献
24.
Kawakami A Okada N Rokkaku K Honda K Ishibashi S Onaka T 《Stress (Amsterdam, Netherlands)》2008,11(5):363-369
Metabolic conditions affect hypothalamo-pituitary-adrenal responses to stressful stimuli. Here we examined effects of food deprivation, leptin and ghrelin upon noradrenaline release in the hypothalamic paraventricular nucleus (PVN) and plasma adrenocorticotropic hormone (ACTH) concentrations after stressful stimuli. Food deprivation augmented both noradrenaline release in the PVN and the increase in plasma ACTH concentration following electrical footshocks (FSs). An intracerebroventricular injection of leptin attenuated the increases in hypothalamic noradrenaline release and plasma ACTH concentrations after FSs, while ghrelin augmented these responses. These data suggest that leptin inhibits and ghrelin facilitates neuroendocrine stress responses via noradrenaline release and indicate that a decrease in leptin and an increase in ghrelin release after food deprivation might contribute to augmentation of stress-induced ACTH release in a fasting state. 相似文献
25.
Virginia Hatchette Arthur R. Zivian Marilyn T. Zivian Ronald Okada 《Behavior research methods》1999,31(1):19-23
STAZ is an interactive computer program that demonstrates statistical concepts, many of which cannot be readily demonstrated using conventional methods. Use of dynamic graphics encourages active engagement with challenging statistical concepts. The program consists of 13 graphical demonstrations, most of which allow for interactive participation by students. A detailed Help file with guided explanations accompanies each demonstration. STAZ is a multiple document interface program that makes full use of Windows features, such as tiling, links, and multitasking. Designed to be used as a supplement for any undergraduate statistics course, STAZ may be used by either instructors in classroom settings or students working independently. 相似文献
26.
In Sternberg's memory scan paradigm, subjects were required to scan for category membership or physical identity. In Experiment I, the scan rate when checking for either type of relationship at the same time was less than the sum of the scan rates when checking for either relationship separately. In Experiment II, presenting memory sets consisting of items from a single category affected the category scan function but not the physical scan function. The results were interpreted as evidence for the capacity to conduct parallel scans of independent memory encodings when retrieving remembered information. 相似文献
27.
Mitsuhiro Okada 《Studia Logica》1987,46(4):371-382
We introduce subsystems WLJ and SI of the intuitionistic propositional logic LJ, by weakening the intuitionistic implication. These systems are justifiable by purely constructive semantics. Then the intuitionistic implication with full strength is definable in the second order versions of these systems. We give a relationship between SI and a weak modal system WM. In Appendix the Kripke-type model theory for WM is given.This work was partially supported by NSF Grant DCR85-13417 相似文献
28.
We introduce a simple inference system based on two primitive relations between terms, namely, inclusion and exclusion relations. We present a normalization theorem, and then provide a characterization of the structure of normal proofs. Based on this, inferences in a syllogistic fragment of natural language are reconstructed within our system. We also show that our system can be embedded into a fragment of propositional minimal logic. 相似文献
29.
Ken'ichiro Nakashima Chikae Isobe Mitsuhiro Ura 《Asian Journal of Social Psychology》2012,15(1):49-59
Individuals with independent self‐construals identify with their in‐group in order to buffer threats to self‐esteem to a greater degree than do those with interdependent self‐construals. This study focused on the effect of the in‐group's social value and representation on this identification process among individuals who reported various real‐world threats to their self‐esteem. We conducted a questionnaire survey for university students and we examined how self‐construal, the in‐group social value, and the in‐group representation either moderate or mediate the relationship between threat to self‐esteem and identification with their academic departments. The results of multiple‐group analyses of structural equation modelling showed that independents who reported more threats to their self‐esteem identified with the in‐group when it was high in social value. In contrast, they did not exhibit in‐group identification when it was low in social value. Interdependents showed less in‐group identification regardless of the in‐group's social value. The representation of the in‐group as a common identity group mediated the relationship between threat to self‐esteem and in‐group identification for independents, whereas the representation of a common bond group played the same role for interdependents. These findings suggest the importance of considering the role of self‐construal and the in‐group social value, along with the representation of in‐group, in understanding in‐group identification in situations of threat to self‐esteem. 相似文献
30.
The Minkowski property of psychological space has long been of interest to researchers. A common strategy has been calculating
the stress in multidimensional scaling for many Minkowski exponent values and choosing the one that results in the lowest
stress. However, this strategy has an arbitrariness problem—that is, a loss function. Although a recently proposed Bayesian
approach could solve this problem, the method was intended for individual subject data. It is unknown whether this method
is directly applicable to averaged or single data, which are common in psychology and behavioral science. Therefore, we first
conducted a simulation study to evaluate the applicability of the method to the averaged data problem and found that it failed
to recover the true Minkowski exponent. Therefore, a new method is proposed that is a simple extension of the existing Euclidean
Bayesian multidimensional scaling to the Minkowski metric. Another simulation study revealed that the proposed method could
successfully recover the true Minkowski exponent. BUGS codes used in this study are given in the Appendix. 相似文献