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121.
To synthesize studies that use structural equation modeling (SEM), researchers usually use Pearson correlations (univariate r), Fisher z scores (univariate z), or generalized least squares (GLS) to combine the correlation matrices. The pooled correlation matrix is then analyzed by the use of SEM. Questionable inferences may occur for these ad hoc procedures. A 2-stage structural equation modeling (TSSEM) method is proposed to incorporate meta-analytic techniques and SEM into a unified framework. Simulation results reveal that the univariate-r, univariate-z, and TSSEM methods perform well in testing the homogeneity of correlation matrices and estimating the pooled correlation matrix. When fitting SEM, only TSSEM works well. The GLS method performed poorly in small to medium samples. 相似文献
122.
In synaesthesia, ordinary stimuli elicit extraordinary experiences. When grapheme-color synaesthetes view black text, each grapheme elicits a photism-a highly specific experience of color. Importantly, some synaesthetes (projectors) report experiencing their photisms in external space, whereas other synaesthetes (associators) report experiencing their photisms "in the mind's eye." We showed that projectors and associators can be differentiated not only by their subjective reports, but also by their performance on Stroop tasks. Digits were presented in colors that were either congruent or incongruent with the synaesthetes' photisms. The synaesthetes named either the video colors of the digits or the colors of the photisms elicited by the digits. The results revealed systematic differences in the patterns of Stroop interference between projectors and associators. Converging evidence from first-person reports and third-person objective measures of Stroop interference establish the projector/ associator distinction as an important individual difference in grapheme-color synaesthesia. 相似文献
123.
The metrics of spatial distance traversed during mental imagery 总被引:2,自引:0,他引:2
Rinck M Denis M 《Journal of experimental psychology. Learning, memory, and cognition》2004,30(6):1211-1218
The authors conducted 2 experiments to study the metrics of spatial distance in a mental imagery task. In both experiments, participants first memorized the layout of a building containing 10 rooms with 24 objects. Participants then received mental imagery instructions and imagined how they walked through the building from one room to another. The authors manipulated Euclidean distance involved in these imaginary motions: Spatial distance measured in centimeters on the layout was either short or long. Independently, they varied categorical distance: The motions led through one room or two rooms. The time needed to imagine motions and response times to test probes indicated that both Euclidean distance and categorical distance affected mental imagery. The authors discuss the new finding of categorical distance effects in mental imagery and relate the results to earlier failures to find Euclidean distance effects in formally equivalent studies of narrative comprehension. 相似文献
124.
On doing two things at once: Temporal constraints on actions in language comprehension 总被引:1,自引:0,他引:1
In two experiments, we investigated how text comprehension is influenced by the interaction between the properties of actions and the temporal relations specified by adverbs. Participants read short narratives describing a protagonist who performed two actions that involved similar sensorimotor systems (e.g., chopping wood and painting a fence) or different ones (e.g., whistling a melody and painting a fence). The actions were described as simultaneous or successive by means of the temporal adverbs while and after, respectively. Comprehension, both in Spanish and in English, was markedly impaired (longer reading times and lower subjective coherence) for sentences including the adverb while and actions involving the same sensorimotor system. However, when one of the same sensorimotor system actions was described as a mental plan (e.g., chopping wood and thinking of painting a fence), comprehension was equally easy with the adverbs while and after. These results are compatible with a revised version of the indexical hypothesis that specifies how comprehension is guided by syntax and embodied constraints within multiple noninteracting mental spaces. 相似文献
125.
Processing of temporal information: Evidence from eye movements 总被引:1,自引:0,他引:1
In two experiments, we recorded eye movements to study how readers monitor temporal order information contained in narrative texts. Participants read short texts containing critical temporal information in the sixth sentence, which could be either consistent or inconsistent with temporal order information given in the second sentence. In Experiment 1, inconsistent sentences yielded more regressions to the second sentence and longer refixations of it. In Experiment 2, this pattern of eye movements was shown only by readers who noticed the inconsistency and were able to report it. Theoretical and methodological implications of the results for research on text comprehension are discussed. 相似文献
126.
Rollin McCraty Mike Atkinson Dana Tomasino Jeff Goelitz Harvey N. Mayrovitz 《Integrative psychological & behavioral science》1999,34(4):246-268
Unmanaged emotional reactions to stress not only lead to behavior problems in young people but also create physiological conditions
that inhibit learning and potentially increase the risk of disease later in life. For these reasons, the integration of emotional
self-management skills training programs has become an increased priority in some schools. In this study, middle school students
enrolled in a course in emotional competence skills learned techniques designed to intercept stressful responses during emotionally
challenging situations. Behavioral outcomes were assessed using the Achievement Inventory Measure and autonomic function was
measured by heart rate variability (HRV) analysis during and after a stressful interview. Following the program, students
exhibited significant improvements in areas including stress and anger management, risky behavior, work management and focus,
and relationships with family, peers and teachers. These improvements were sustained over the following six months. Students
using the skills taught in the course to recover from acute emotional stress were also able to positively modulate their physiological
stress responses. As compared to a control group, trained students demonstrated significantly increased HRV and more rhythmic,
sine wave-like heart rhythm patterns during recovery. This response pattern reflects increased parasympathetic activity, heart
rhythm coherence, and entrainment of other biological oscillatory systems to the primary heart rhythm frequency. Increased
physiological coherence is associated with improved cognitive performance, emotional balance, mental clarity and health outcomes.
These physiological shifts could promote the sustained psychological and behavioral improvements associated with the use of
emotional management skills. It is suggested that learning emotional competence skills in childhood establishes healthier
physiological response patterns which can benefit learning and long-term health. Results provide support for the integration
in school curricula of courses designed to teach effective self-management skills to children. 相似文献
127.
Rational analysis (Anderson 1990, 1991a) is an empiricalprogram of attempting to explain why the cognitive system isadaptive, with respect to its goals and the structure of itsenvironment. We argue that rational analysis has two importantimplications for philosophical debate concerning rationality. First,rational analysis provides a model for the relationship betweenformal principles of rationality (such as probability or decisiontheory) and everyday rationality, in the sense of successfulthought and action in daily life. Second, applying the program ofrational analysis to research on human reasoning leads to a radicalreinterpretation of empirical results which are typically viewed asdemonstrating human irrationality. 相似文献
128.
According to cognitive models of anxiety, anxiety patients exhibit an early reflexive attentional bias toward threat stimuli, which may be followed by intentional avoidance of these stimuli. To determine the time course of attentional vigilance and avoidance, the authors conducted an eye-tracking study in which 22 highly spider fearful participants (SFs) and 23 nonanxious control participants (NACs) studied groups of 4 pictures (spider, butterfly, dog, and cat). The authors found that the very first fixation was on a spider picture more often in SFs than in NACs. However, SFs quickly moved their eyes away from the spider they had fixated first, yielding shorter gaze durations than NACs. Afterward, SFs exhibited shorter gaze durations on spiders than NACs for the rest of the 1-min presentation time. This early reflexive attentional bias toward threat followed by avoidance of threat may explain earlier failures to find attentional biases in anxiety. 相似文献
129.
We investigated how the updating of spatial situation models during narrative comprehension depends on the interaction of cognitive abilities and text characteristics. Participants with low verbal and visuospatial abilities and participants with high abilities read narratives in which the protagonist's motions in a fictitious building were either highly predictable or very hard to predict. In Experiment 1, high-ability readers updated spatial situation models only if the protagonist's motions were hard to predict, whereas low-ability readers did so only if the motions were highly predictable. In Experiment 2, facilitated integrative spatial processing compensated for the low-ability participants' resource limitations. As a result, both ability groups updated spatial situation models with hard-to-predict protagonist motions. These results highlight the interactions of cognitive abilities and text characteristics in spatial situation model updating. 相似文献
130.
Personal meaning and ethics in engineering 总被引:3,自引:3,他引:0
Martin MW 《Science and engineering ethics》2002,8(4):545-560
The study of engineering ethics tends to emphasize professional codes of ethics and, to lesser degrees, business ethics and technology studies. These are all important vantage points, but they neglect personal moral commitments, as well as personal aesthetic, religious, and other values that are not mandatory for all members of engineering. This paper illustrates how personal moral commitments motivate, guide, and give meaning to the work of engineers, contributing to both self-fulfillment and public goods. It also explores some general frameworks for thinking about these commitments and calls for further exploration of them. 相似文献