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991.
In 2 experiments, the authors manipulated the frequency of concurrent feedback to discern the effects on learning. In each experiment, participants (N = 48, Experiment 1; N = 36, Experiment 2) attempted to reproduce a criterion force-production waveform (5 s in duration) presented on the computer monitor. Consistent with the guidance hypothesis, the results of Experiment 1 indicated very strong guiding effects of concurrent feedback and strong dependence on the feedback, as indicated by participants' extremely poor performance upon feedback withdrawal in retention. As predicted by the guidance hypothesis, dependence on the feedback was reduced as a result of reducing the frequency of the concurrent feedback. The results of Experiment 2 indicated that one can enhance learning by providing concurrent and terminal feedback on 1 trial, with no feedback on the subsequent trial. In that way, the strong guiding effects of concurrent feedback could be realized and the beneficial effects of terminal feedback could also be achieved. 相似文献
992.
Patricia MacDonald Brown 《Journal of religion and health》2013,52(4):1296-1305
Approaches to supplication, such as faith and single-minded devotion to an ultimate value or deity, are proposed to constitute the human interface between the manifest and the unmanifest. A reciprocal, resonant interchange between the unmanifest and human summoning of the holy can bring the sacred to expression in cultural forms and personal experience. Addressing the boundaries between the human and the divine, this paper presents a cross-cultural model for spiritual supplication. This model utilizes the anthropological term ritual frame and provides an integrative worldview with which to examine the dynamics of sacred contact and invocation. This suggests that supplication is the universal and fundamental human orientation to invoke the reception of profound healings, as well as spiritual blessings, cross-cultural understandings and innumerable gifts of creativity. 相似文献
993.
Patricia E. Brosseau-Liard 《Multivariate behavioral research》2013,48(5):460-470
A variety of indices are commonly used to assess model fit in structural equation modeling. However, fit indices obtained from the normal theory maximum likelihood fit function are affected by the presence of nonnormality in the data. We present a nonnormality correction for 2 commonly used incremental fit indices, the comparative fit index and the Tucker-Lewis index. This correction uses the Satorra-Bentler scaling constant to modify the sample estimate of these fit indices but does not affect the population value. We argue that this type of nonnormality correction is superior to the correction that changes the population value of the fit index implemented in some software programs. In a simulation study, we demonstrate that our correction performs well across a variety of sample sizes, model types, and misspecification types. 相似文献
994.
Judith S. Brook Martin Whiteman Stephen Finch Patricia Cohen 《The Journal of genetic psychology》2013,174(1):37-51
This research focuses on the interrelation of the parent-child attachment, unconventionality, friends' drug use, and the young adult's use of drugs. Data were collected from participants at 4 points in time: early adolescence, late adolescence, early 20s, and late 20s. Data were collected from mothers at the 3 points in time that corresponded with the first 3 collections of data from their children. Both the youths and their mothers were individually interviewed. The findings indicated that the effect of parent-child mutual attachment was mediated through early adolescent personality attributes of greater responsibility, less rebelliousness, and intolerance of deviance. These non-drug-prone personality and behavioral attitudes, in turn, insulated the young adult from affiliating with drug-using peers, and these attitudes were related to less drug use in the early 20s and ultimately in the late 20s. The results suggest that interventions focused on enhancing parent-child mutual attachment should result in a reduction of the risk factors conducive to drug use during the late 20s. The fact that these findings cover a decade and a half, from early adolescence to the late 20s, underscores the significance of placing drug use in a perspective that includes familial and behavioral aspects. 相似文献
995.
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997.
James M. Bebko Jenny L. Demark Patricia A. Osborn Shilpi Majumder Christina J. Ricciuti Thomas Rhee 《Journal of motor behavior》2013,45(2):109-118
The learning patterns of 3-ball cascade juggling from acquisition until automaticity were examined in 10 participants. On the basis of outcome measures derived from 26 practice sessions and 4 periodic probe sessions, the authors differentiated participants into 3 distinct learning types: a proficient group, an emerging group, and a single late learner. The proficient group was distinguished by how rapidly they learned and automatized performance. Most interesting, an inverse response cost (i.e., performance boost) on the secondary task was found in the majority of proficient group members during the dual-task condition. The present results are discussed in relation to the P. L. Ackerman model (1987, 1988) of complex skill acquisition as is the significance of the inverse response cost finding. 相似文献
998.
The experiment examined the effects of movement time (MT) and distance on the timing of electromyographic (EMG) activity from an agonist and antagonist muscle during rapid, discrete elbow movements in the horizontal plane. According to impulse-timing theory (Wallace, 1981) MT, not distance moved, should have a pronounced effect on the timing of EMG activity (duration of initial agonist and antagonist burst and time to onset of initial antagonist burst). The levels of MT were 100 and 160 msec and the levels of distance were 27° and 45° of elbow flexion. In general support of impulse-timing theory, the results of the three EMG timing measures showed that MT had a more pronounced effect on these measures than distance. In addition, the timing of EMG activity in relation to total MT remained fairly consistent across the four MT-distance conditions. 相似文献
999.
Patricia R. DeLucia Stephanie A. Harold Yi-Yuan Tang 《Journal of Contemporary Psychotherapy》2013,43(4):253-260
Technologies are being used increasingly to aid psychotherapy and are becoming an integral part of mental health treatment. Although prior studies compared technology-aided psychotherapy (TAP) to traditional treatments, there are insufficient studies of the impact that specific design parameters and use of the technologies may have on the client and therapist, and treatment outcomes. This requires an understanding of human–technology interaction, which is the focus of the field of Human Factors and Ergonomics (HF/E). The goal of this article is to raise awareness of the importance of the human–technology interaction in TAP, and to foster collaborations between psychotherapists and HF/E professionals. Toward these aims, this article examines the implications of findings in HF/E for the use of technologies (videoconferencing, text-based communication, and virtual environments) in psychotherapy. It is suggested that the manner in which technologies are designed and used may have important effects on the therapeutic alliance and treatment outcomes, and in some cases (side effects of virtual reality) the health and safety of the client. Future research should examine effects of specific design factors on treatment including variables such as the visibility of gestures and degree of eye contact during videoconferencing, response delays during text-messaging, and presence and adverse effects when using virtual environments. Studies that compare TAP to traditional methods should report as much detail as possible about the human–technology interaction. It is essential that psychotherapists and HF/E professionals conduct research collaboratively to develop effective and innovative technologies and, ultimately, design principles for TAP. 相似文献
1000.
Patricia Del Rey 《Journal of motor behavior》2013,45(4):281-287
40 college women performed a modification of the classical fencing lunge against 2 laterally-arranged targets, under closed and open environmental conditions. Form (rating scale), accuracy (proximity to target center), and response latency were taken to measure the effects of video-taped feedback (VT). Administration of VT with specific instructions to direct S’s attention to parts of the display resulted in closer approximation of the externally-imposed form, higher accuracy, and shorter response latency. Performing the skill in the closed environmental condition resulted in less deviation from the imposed form, higher accuracy scores, and longer response latency. No significant correlations were found between imposed form and accuracy. 相似文献