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231.
Andrea Frick Moritz M. Daum Simone Walser Fred W. Mast 《Journal of cognition and development》2013,14(1-2):18-40
Previous studies with adult human participants revealed that motor activities can influence mental rotation of body parts and abstract shapes. In this study, we investigated the influence of a rotational hand movement on mental rotation performance from a developmental perspective. Children at the age of 5, 8, and 11 years and adults performed a mental rotation task while simultaneously rotating their hand (guided by a handle). The direction of the manual rotation was either compatible or incompatible with the direction of the mental rotation. Response times increased with increasing stimulus orientation angles, indicating that participants of all age groups used mental rotation to perform the task. A differential effect of the compatibility of manual rotation and mental rotation was found for 5-year-olds and 8-year-olds, but not for 11-year-olds and adults. The results of this study suggest that the ability to dissociate motor from visual cognitive processes increases with age. 相似文献
232.
Fit indices are widely used in order to test the model fit for structural equation models. In a highly influential study, Hu and Bentler (1999) showed that certain cutoff values for these indices could be derived, which, over time, has led to the reification of these suggested thresholds as "golden rules" for establishing the fit or other aspects of structural equation models. The current study shows how differences in unique variances influence the value of the global chi-square model test and the most commonly used fit indices: Root-mean-square error of approximation, standardized root-mean-square residual, and the comparative fit index. Using data simulation, the authors illustrate how the value of the chi-square test, the root-mean-square error of approximation, and the standardized root-mean-square residual are decreased when unique variances are increased although model misspecification is present. For a broader understanding of the phenomenon, the authors used different sample sizes, number of observed variables per factor, and types of misspecification. A theoretical explanation is provided, and implications for the application of structural equation modeling are discussed. 相似文献
233.
Motivated by computational analyses, we look at how teaching affects exploration and discovery. In Experiment 1, we investigated children’s exploratory play after an adult pedagogically demonstrated a function of a toy, after an interrupted pedagogical demonstration, after a naïve adult demonstrated the function, and at baseline. Preschoolers in the pedagogical condition focused almost exclusively on the target function; by contrast, children in the other conditions explored broadly. In Experiment 2, we show that children restrict their exploration both after direct instruction to themselves and after overhearing direct instruction given to another child; they do not show this constraint after observing direct instruction given to an adult or after observing a non-pedagogical intentional action. We discuss these findings as the result of rational inductive biases. In pedagogical contexts, a teacher’s failure to provide evidence for additional functions provides evidence for their absence; such contexts generalize from child to child (because children are likely to have comparable states of knowledge) but not from adult to child. Thus, pedagogy promotes efficient learning but at a cost: children are less likely to perform potentially irrelevant actions but also less likely to discover novel information. 相似文献
234.
Armin W. Schulz 《Philosophical Studies》2011,152(2):271-285
In this paper, I argue that a natural selection-based perspective gives reasons for thinking that the core of the ability
to mindread cognitively complex mental states is subserved by a simulationist process—that is, that it relies on non-specialised
mechanisms in the attributer’s cognitive architecture whose primary function is the generation of her own decisions and inferences.
In more detail, I try to establish three conclusions. First, I try to make clearer what the dispute between simulationist
and non-simulationist theories of mindreading fundamentally is about. Second, I try to make more precise an argument that
is sometimes hinted at in support of the former: this ‘argument from simplicity’ suggests that, since natural selection disfavours
building extra cognitive systems where this can be avoided, simulationist theories of mindreading are more in line with natural
selection than their competitors. As stated, though, this argument overlooks the fact that building extra cognitive systems
can also yield benefits: in particular, it can allow for the parallel processing of multiple problems and it makes for the
existence of backups for important elements of the organism’s mind. I therefore try to make this argument more precise by
investigating whether these benefits also apply to the present case—and conclude negatively. My third aim in this paper is
to use this discussion of mindreading as a means for exploring the promises and difficulties of evolutionary arguments in
philosophy and psychology more generally. 相似文献
235.
In this study, 6-month-olds’ perception of an object-related human grasping action was compared with their level of grasping performance using a within-participants design. In the action perception task, infants were presented with the video of an actor’s grasping movement toward an occluded target object. Subsequently, an expected and an unexpected final state of this grasping movement were presented simultaneously, and infants’ looking times were measured. In the action production task, infants were presented with three graspable objects. Infants’ grasping behavior was coded to be either palmar or thumb-opposite grasping. Results indicate that infants who were already able to perform a thumb-opposite grasp differentiated between the two final states in the action perception task by looking longer toward the unexpected final state. In contrast, infants who showed only palmar grasps looked equally long toward both final states. This finding supports the assumption that action perception and action control are already closely related in infants as young as 6 months. 相似文献
236.
Watzke B Rüddel H Jürgensen R Koch U Kriston L Grothgar B Schulz H 《Behaviour research and therapy》2012,50(9):580-587
We investigated the comparative effectiveness of cognitive-behavioural (CBT) and psychodynamic therapy (PDT) under clinically representative conditions as a subtrial of a prior study (Watzke et al., 2010, BJP). A consecutive sample of 147 patients with common mental disorders was randomised to either CBT or PDT in routine mental health care. In a primary per-protocol analysis patients randomised to CBT had a significantly better longer term outcome in the primary outcome symptom severity (General Severity Index of the SCL-14; p=.001; partial η(2)=0.073) as well as in health related quality of life (Mental Component Summary of the SF-8; p=.013; partial η(2)=.041) and concerning interpersonal issues (Inventory of Interpersonal Problems, IIP-C; p=.001; partial η(2)=.070) 6 months after treatment than patients randomised to PDT. These results could be confirmed in intention-to-treat analyses (n=180) suggesting that there was no substantial attrition bias due to drop outs at the follow-up assessment. Thus, the so called equivalence outcome paradox was not replicated in this study. 相似文献
237.
Holt CL Schulz E Caplan L Blake V Southward VL Buckner AV 《Journal of religion and health》2012,51(2):507-521
Spirituality plays an important role in cancer coping among African Americans. The purpose of this study was to report on the initial psychometric properties of instruments specific to the cancer context, assessing the role of spirituality in coping. Items were developed based on a theoretical model of spirituality and qualitative patient interviews. The instruments reflected connections to self, others, God, and the world. One hundred African American cancer survivors completed the instruments by telephone. The instruments showed adequate internal reliability, mixed convergent validity, discriminant validity, and interpretable factor structures. 相似文献
238.
There are different conceptions about how cognitive inhibition is related to creativity. Creativity has either been associated with effective inhibition, or with disinhibition, or with an adaptive engagement of inhibition. In this study, we examined the relationship of cognitive inhibition, assessed by means of the random motor generation task, with different measures of creativity. We also analyzed whether this relation is mediated by intelligence. We generally found a positive correlation of inhibition and creativity measures. Moreover, latent variable analyses indicate that inhibition may primarily promote the fluency of ideas, whereas intelligence specifically promotes the originality of ideas. These findings support the notion that creative thought involves executive processes and may help to better understand the differential role of inhibition and intelligence in creativity. 相似文献
239.
Walser M Fischer R Goschke T 《Journal of experimental psychology. Learning, memory, and cognition》2012,38(4):1030-1044
We used a newly developed experimental paradigm to investigate aftereffects of completed intentions on subsequent performance that required the maintenance and execution of new intentions. Participants performed an ongoing number categorization task and an additional prospective memory (PM) task, which required them to respond to PM cues that differed from standard stimuli in 1 particular visual feature. Although the feature defining the to-be-acted-upon PM cue changed in each block, the irrelevant PM cue of the previous PM task block was occasionally repeated in the subsequent block. In 4 experiments we found that performance in the ongoing task was substantially slowed for repeated PM cue trials compared to oddball trials, which also differed in a visual feature from standard stimuli but never served as PM cues. This aftereffect decreased as a function of delay after intention completion. These findings indicate that intentions can exhibit persisting activation even after they have been completed and may interfere with the execution of the new relevant task. Possible mechanisms and boundary conditions of this intention deactivation failure are discussed. 相似文献
240.
Joshua M. Moritz 《Zygon》2012,47(1):65-96
Abstract. The concept of human uniqueness has long played a central role within key interpretations of the hominid fossil record and within numerous theological understandings of the imago Dei. More recently, the status of humans as evolutionarily unique has come under strong criticism owing to the discovery of certain nonhuman hominids who, as language and culture‐bearing beings, lived as contemporaries with early anatomically modern humans. Nevertheless, many scholars, including those in the field of religion and science, continue to interpret the remains of these other hominids in light of empirically ungrounded implicit assumptions about human uniqueness, which the author calls “anthropocentrism of the gaps.” This paper argues that “anthropocentrism of the gaps” is philosophically unwarranted and thus should not be assumed by scholars in religion and science when evaluating contemporary findings in paleoanthropology. 相似文献