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41.
Adriana Guevara‐Rukoz Alejandrina Cristia Bogdan Ludusan Roland Thiollière Andrew Martin Reiko Mazuka Emmanuel Dupoux 《Cognitive Science》2018,42(5):1586-1617
We investigate whether infant‐directed speech (IDS) could facilitate word form learning when compared to adult‐directed speech (ADS). To study this, we examine the distribution of word forms at two levels, acoustic and phonological, using a large database of spontaneous speech in Japanese. At the acoustic level we show that, as has been documented before for phonemes, the realizations of words are more variable and less discriminable in IDS than in ADS. At the phonological level, we find an effect in the opposite direction: The IDS lexicon contains more distinctive words (such as onomatopoeias) than the ADS counterpart. Combining the acoustic and phonological metrics together in a global discriminability score reveals that the bigger separation of lexical categories in the phonological space does not compensate for the opposite effect observed at the acoustic level. As a result, IDS word forms are still globally less discriminable than ADS word forms, even though the effect is numerically small. We discuss the implication of these findings for the view that the functional role of IDS is to improve language learnability. 相似文献
42.
Jemima Bidee Tim Vantilborgh Roland Pepermans Yannick Griep Joeri Hofmans 《European Journal of Work and Organizational Psychology》2016,25(6):900-913
We study the dynamics of need satisfaction and need frustration by examining how need satisfaction and need frustration change over time and how these changes relate to changes in motivation. To investigate this, volunteers were assessed daily during a delineated activity, resulting in a total sample of 77 volunteers and 467 completed daily diaries. Bayesian confirmatory factor analysis on the within-person level confirmed a bifactor solution: autonomy, competence, and relatedness were distinguished by three specific factors, but the majority of variance was explained by two strongly correlated (need satisfaction and need frustration) factors. The strong correlation between need satisfaction and need frustration further translated in the development of their relationship over time. That is, Bayesian latent growth curve modelling revealed a simultaneous, yet opposite, growth curve. Contrary to our expectations, neither of them could be related to behavioural internalization or externalization. These results imply that, at the within-person level, momentary need satisfaction and frustration are difficult to distinguish, and affecting one may automatically affect the other. Also, the relationships within the self-determination framework, such as the proposed link between need satisfaction and behavioural internalization may be better reframed with attention to the time-frame in which they occur. 相似文献
43.
The present study joins a series of studies that used the dual‐task paradigm to measure cognitive load while learning with multimedia instruction. The goal of the current work was to develop a secondary task, to measure cognitive load in a direct and continuous way using intra‐individual, behavioral measures. The new task is achieved by utilizing internalized cues. More specifically, a previously practiced rhythm is executed continuously by foot tapping (secondary task) while learning (primary task). Precision of the executed rhythm was used as indicator for cognitive load—the higher the precision, the lower cognitive load. The suitability of this method was examined by two multimedia experiments (n1 = 30; n2 = 50). Cognitive load was manipulated by seductive details (Experiment 1: with vs. without) and modality (Experiment 2: on‐screen text vs. narration). Learners who learned under low cognitive load conditions (Experiment 1: without seductive details; Experiment 2: narration) showed significantly higher rhythm precision. These results provide evidence that rhythm precision allows for a precise and continuous measurement of cognitive load during learning. Copyright © 2014 John Wiley & Sons, Ltd. 相似文献
44.
Erling Roland 《Aggressive behavior》2002,28(3):198-206
A questionnaire survey of a representative sample of 2083 Norwegian pupils in Grade 8 revealed a positive and significant correlation between depressive symptoms and bullying others and a strong positive correlation between both power‐related (ProPow) and affiliation‐related (ProAff) proactive aggressiveness and bullying others among both boys and girls. We investigated whether the correlation between Depressive Symptoms and Bullying Others was spurious. For boys, a multiple‐regression analysis with Bullying Others as the dependent variable revealed that both ProPow and ProAff had strong separate effects on Bullying Others, whereas the separate effect from Depressive Symptoms was not significant. Interactions between Depressive Symptoms and ProPow and ProAff on Bullying Others were not present. It was concluded that the significant correlation between Depressive Symptoms and Bullying Others was spurious for boys. For girls, ProAff, and ProPow × Depressive Symptoms had significant and rather strong separate impacts on Bullying Others. Implications for intervention and further research were discussed. Aggr. Behav. 28:198–206, 2002. © 2002 Wiley‐Liss, Inc. 相似文献
45.
Palchykova S Winsky-Sommerer R Meerlo P Dürr R Tobler I 《Neurobiology of learning and memory》2006,85(3):263-271
Many studies in animals and humans suggest that sleep facilitates learning, memory consolidation, and retrieval. Moreover, sleep deprivation (SD) incurred after learning, impaired memory in humans, mice, rats, and hamsters. We investigated the importance of sleep and its timing in an object recognition task in OF1 mice subjected to 6h SD either immediately after the acquisition phase (0-6 SD) or 6h later (7-12 SD), and in corresponding undisturbed controls. Motor activity was continuously recorded with infrared sensors. All groups explored two familiar, previously encountered objects to a similar extent, both at the end of the acquisition phase and 24h later during the test phase, indicating intact familiarity detection. During the test phase 0-6 SD mice failed to discriminate between the single novel and the two familiar objects. In contrast, the 7-12 SD group and the two control groups explored the novel object significantly longer than the two familiar objects. Plasma corticosterone levels determined after SD did not differ from time-matched undisturbed controls, but were significantly below the level measured after learning alone. ACTH did not differ between the groups. Therefore, it is unlikely that stress contributed to the memory impairment. We conclude that the loss of sleep and the activities the mice engaged in during the SD, impaired recognition memory retrieval, when they occurred immediately after acquisition. The delayed SD enabled memory consolidation during the 6h when the mice were allowed to sleep, and had no detrimental effect on memory. Neither SD schedule impaired object familiarity processing, suggesting that only specific cognitive abilities were sensitive to the intervention. Sleep may either actively promote memory formation, or alternatively, sleep may provide optimal conditions of non-interference for consolidation. 相似文献
46.
This paper describes a 7.5 year retrospective study of all patients discharged from inpatient forensic services to forensic community team (FCT) follow-up from the Auckland Regional Forensic Psychiatry Service. Patients' files were studied for clinical, criminal, and risk data, type of service delivered, and final level of function achieved in the community. Rearrest, re-hospitalization, and reimprisonment data were obtained from clinical, court, and prison records.105 patients were included. The most common diagnosis was a psychotic disorder, and index offending behaviour was typically violent. The median period of inpatient stay was 36 months and mean subsequent FCT follow-up 21.7 months (SD 17.8). The majority of patients were from Maori and Pacific Island ethnic groups. At the end of the study, half were in independent living, half were in some form of employment, and 19% were readmitted to a forensic hospital.One patient was rearrested but not reimprisoned whilst under forensic community team care. However, 9 of the 48 who were discharged to general mental health services were rearrested and 5 reimprisoned. Only two offences were as serious as the original index offence.Broad based assertive, mandated, and committed forensic rehabilitation can achieve high quality outcomes. These levels of function may not be sustained under less assertive care. 相似文献
47.
Daniel Roland 《Journal of Religious & Theological Information》2013,12(3-4):90-113
This article builds upon and expands an earlier research project on the moral panic that surrounded the Harry Potter books and movies from 1997 through the first decade of the twenty-first century. Soulliere focused on the publications and public pronouncements of religious groups and leaders, media, and research organizations linked together by “the promotion of traditional values and a conservative ideology as well as a Judeo-Christian worldview, primacy of the family, and emphases on biblical foundations and authority” (Soulliere paragraph 14), which he refers to as the Christian Right. The current study seeks to discover the degree to which, if any, this moral panic extended beyond the Christian Right into the pulpits of mainstream Protestant denominations. 相似文献
48.
ABSTRACT. The authors’ aim was to investigate the speed-accuracy tradeoff in soccer kicking with the dominant and nondominant foot by using different types of instructions prioritizing speed or accuracy in experienced soccer players. Ten male soccer players were randomly given 1 of the 4 instructions that differed in aspects of the kick they should emphasize and what the secondary aim would be (speed or accuracy). It was found that ball velocity was affected by instruction in the expected way: emphasis on accuracy and ball velocity reduced for both kicking feet. In addition kicking accuracy increased when emphasizing this, but only with the dominant foot indicating that Fitts’ law only was found in kicks with the dominant foot. 相似文献
49.
D. Roland Thomas Bruno D. Zumbo Ernest Kwan Linda Schweitzer 《Multivariate behavioral research》2013,48(4):329-338
This article provides a reanalysis of J. W. Johnson's (2000) “relative weights” method for assessing variable importance in multiple regression. The primary conclusion of the reanalysis is that the derivation of the method is theoretically flawed and has no more validity than the discredited method of Green, Carroll, and DeSarbo (1978) on which it is based. By means of 2 examples, supplemented by other results from the literature, it is also shown that the method can result in materially distorted inferences when it is compared with another widely used importance metric, namely, general dominance (Azen & Budescu, 2003; Budescu, 1993). Our primary recommendation is that J. W. Johnson's (2000) relative weights method should no longer be used as a variable importance metric for multiple linear regression. In the final section of the article, 2 additional recommendations are made based on our analysis, examples, and discussion. 相似文献
50.
Diagnostic work is the reflexive work of figuring out what issues are at stake and determining the scope for action. This work is not generally accommodated by evidence-based guidelines, which generally promote a uniform, predefined approach to solving healthcare problems that risk narrowing the opportunities for diagnostic work in healthcare practice. Consequently, guidelines are often criticised as too general to solve situated, individual healthcare problems and gaps between guidelines and their implementation are often reported. The Netherlands has developed a guideline for problem behaviour in elderly care, explicitly designed for diagnostic work, thus stimulating a situated approach. Relational problem behaviour is highly embedded in its context. The guideline stimulates diagnostic work, which helps to unravel problem behaviour and is opening alternatives in elderly care. Diagnostic work does not transfer guideline development problems to healthcare practice, but simply structures the decision-making process without giving a predefined answer. Diagnostic work is thus important to consider in order to avoid a gap between guideline development and implementation. 相似文献