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81.
How might a human communication system be bootstrapped in the absence of conventional language? We argue that motivated signs play an important role (i.e., signs that are linked to meaning by structural resemblance or by natural association). An experimental study is then reported in which participants try to communicate a range of pre‐specified items to a partner using repeated non‐linguistic vocalization, repeated gesture, or repeated non‐linguistic vocalization plus gesture (but without using their existing language system). Gesture proved more effective (measured by communication success) and more efficient (measured by the time taken to communicate) than non‐linguistic vocalization across a range of item categories (emotion, object, and action). Combining gesture and vocalization did not improve performance beyond gesture alone. We experimentally demonstrate that gesture is a more effective means of bootstrapping a human communication system. We argue that gesture outperforms non‐linguistic vocalization because it lends itself more naturally to the production of motivated signs. 相似文献
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83.
A technique is described for the chronic recording of systematic arterial blood pressure, respiration, and heart rate in the unrestrained rat. The surgical implantation and anchoring procedures described are compatible with the delivery of noxious electric shock and/or rewarding intracranial brain stimulation as reinforcement. Data on catheter patency are analyzed in 65 rats participating in a variety of experiments on the instrumental and classical conditioning of blood pressure responses. The results indicate that it is difficult to maintain satisfactory catheter performance beyond 2 weeks. 相似文献
84.
Fay F. Warnock Roger Bakeman Kim Shearer Shaila Misri Tim Oberlander 《Infant mental health journal》2009,30(4):384-406
This exploratory study aimed to examine time‐based measures of the behaviors and interactions of prenatally depressed serotonin reuptake inhibitors (SRI)‐medicated mothers to their infant's pain (n = 10) by comparing them with similar measures obtained from prenatally depressed nonmedicated mothers and their infants (n = 10), and nondepressed mothers and their infants (n = 10). During the second trimester of their pregnancy, the 30 study mothers were assessed for depression and anxiety, with no further measures of maternal mood taken. Maternal and infant interactions were continuously videorecorded while the infant underwent a scheduled heel lance for routine blood screening that occurred when study infants were between the ages of 24 and 60 hr. Maternal behavior and infant cry, for all 30 cases, were coded second‐by‐second for the full duration of each infant's heel lance using a reliable coding system and analyzed using odds ratio and regression analyses. Infants exposed to prenatal SRIs and depressed maternal mood were more likely to have lower Apgar scores and to exhibit weak and absent cry. Even when duration of the heel lance was controlled for, women with depression during the second trimester were more likely to exhibit depressed behavior at 2 days' postpartum despite sustained SRI antidepressant treatment. Both groups of prenatally depressed mothers were more likely to exhibit diminished response to their infants' pain cue although nonmedicated mothers' expressions of depressed behavior were more similar to healthy controls. Comprehensive understanding is essential to optimize the clinical care of mothers and their infants in this complex setting. This study contributes preliminary new findings that warrant prospective and longitudinal studies to clarify further the impacts of prenatal SRI and maternal mental mood (e.g., chronic depression and anxiety) effects on the mother–infant interaction and infant pain and stress reactivity. 相似文献
85.
A study of Australian psychologists compared scores on workaholism components among those who were divorced and those who were married. No differences were found. 相似文献
86.
This paper proposes an easy-to-implement econometric method for inferring salesperson capability from archival panel data, namely stochastic frontier (SF) analysis. We demonstrate this method with a sample of salespersons provided by a life insurance company. Using the proposed SF model, we are able to estimate each salesperson’s capability. Furthermore, we examine the relationship between the estimated salesperson capability and three future outcomes (i.e. future sales performance, future customer attrition, and future salesperson turnover) under different time horizons. We find that, in general, the estimated salesperson capability has a stronger explanatory power for the near than for the more distant future. Since an individual salesperson’s capability cannot be directly observed by researchers (and thus is typically omitted), traditional analyses of sales performance suffer from an omitted-variable problem that can lead to biased estimates of focal variables. The SF model can significantly mitigate this omitted-variable problem. Statistical tests indicate that our sales performance model with estimated salesperson capability results in a statistically significant improvement in model fit. Of note, our model differs methodologically from SF models previously used in the marketing literature in that it is based on a three-component model that disentangles unobserved individual heterogeneity, efficiency, and random shocks. 相似文献
87.
Badiâa Bouazzaoui Alice Follenfant François Ric Séverine Fay Jean-Claude Croizet Thierry Atzeni 《Memory (Hove, England)》2016,24(5):659-668
Age-related stereotype concerns culturally shared beliefs about the inevitable decline of memory with age. In this study, stereotype priming and stereotype threat manipulations were used to explore the impact of age-related stereotype on metamemory beliefs and episodic memory performance. Ninety-two older participants who reported the same perceived memory functioning were divided into two groups: a threatened group and a non-threatened group (control). First, the threatened group was primed with an ageing stereotype questionnaire. Then, both groups were administered memory complaints and memory self-efficacy questionnaires to measure metamemory beliefs. Finally, both groups were administered the Logical Memory task to measure episodic memory, for the threatened group the instructions were manipulated to enhance the stereotype threat. Results indicated that the threatened individuals reported more memory complaints and less memory efficacy, and had lower scores than the control group on the logical memory task. A multiple mediation analysis revealed that the stereotype threat effect on the episodic memory performance was mediated by both memory complaints and memory self-efficacy. This study revealed that stereotype threat impacts belief in one's own memory functioning, which in turn impairs episodic memory performance. 相似文献
88.
Jared Kenworthy Cara Fay Mark Frame Robyn Petree 《Journal of applied social psychology》2014,44(2):94-105
This meta‐analysis examined the relationship between emotional dissonance and burnout. We collected 57 independent samples that included self‐report measures of emotional dissonance and emotional exhaustion from 16,165 employees. As predicted, a reliable relationship (r = .34) between the two variables was found, indicating that employees who “fake” their emotions at work also suffer from emotional exhaustion, a key component of job burnout. Moderation analyses indicate that effect sizes strengthen as an increasing function of publication year, and are strongest in police work, compared with other service job types. As predicted from a gender role perspective, effect sizes are more pronounced as the percentage of women increases in a sample. Results suggest that emotional dissonance may be added to the growing list of job stressors that lead to emotional exhaustion. 相似文献
89.
90.
Universal Principles of Human Communication: Preliminary Evidence From a Cross‐cultural Communication Game
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Nicolas Fay Bradley Walker Nik Swoboda Ichiro Umata Takugo Fukaya Yasuhiro Katagiri Simon Garrod 《Cognitive Science》2018,42(7):2397-2413
The present study points to several potentially universal principles of human communication. Pairs of participants, sampled from culturally and linguistically distinct societies (Western and Japanese, N = 108: 16 Western–Western, 15 Japanese–Japanese and 23 Western–Japanese dyads), played a dyadic communication game in which they tried to communicate a range of experimenter‐specified items to a partner by drawing, but without speaking or using letters or numbers. This paradigm forced participants to create a novel communication system. A range of similar communication behaviors were observed among the within‐culture groups (Western–Western and Japanese–Japanese) and the across‐culture group (Western–Japanese): They (a) used iconic signs to bootstrap successful communication, (b) addressed breakdowns in communication using other‐initiated repairs, (c) simplified their communication behavior over repeated social interactions, and (d) aligned their communication behavior over repeated social interactions. While the across‐culture Western–Japanese dyads found the task more challenging, and cultural differences in communication behavior were observed, the same basic findings applied across all groups. Our findings, which rely on two distinct cultural and linguistic groups, offer preliminary evidence for several universal principles of human communication. 相似文献