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191.
差数显著性t检验与元分析的对比研究 总被引:5,自引:0,他引:5
利用计算机构造被试总体、模拟实验研究程序进行抽样研究,探讨显著性t检验方法与元分析方法在检验实验结果数据方面的差异。在模拟实验过程中,t验受到显著性水平、样本容量和总体效果大小的影响,因此最终影响了统计推断的可靠性,建议:在进行显著性检验过程中,应对统计检验能力进行估计;元分析方法以样本为元素对总体进行推断,因此具有很高的准确性和可靠性,它将很有可能成为今后心理学研究的重要统计工具。 相似文献
192.
Determinants of pausing under variable-ratio schedules: Reinforcer magnitude, ratio size, and schedule configuration 总被引:2,自引:2,他引:0
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Pigeons pecked a key under two-component multiple variable-ratio schedules that offered 8-s or 2-s access to grain. Phase 1 assessed the effects of differences in reinforcer magnitude on postreinforcement pausing, as a function of ratio size. In Phase 2, postreinforcement pausing and the first five interresponse times in each ratio were measured as a function of differences in reinforcer magnitude under equal variable-ratio schedules consisting of different configurations of individual ratios. Rates were also calculated exclusive of postreinforcement pause times in both phases. The results from Phase 1 showed that as ratio size increased, the differences in pausing educed by unequal reinforcer magnitudes also increased. The results of Phase 2 showed that the effects of reinforcer magnitude on pausing and IRT durations were a function of schedule configuration. Under one configuration, in which the smallest ratio was a fixed-ratio 1, pauses were unaffected by magnitude but the first five interresponse times were affected. Under the other configuration, in which the smallest ratio was a fixed-ratio 7, pauses were affected by reinforcer magnitude but the first five interresponse times were not. The effect of each configuration seemed to be determined by the value of the smallest individual ratio. Rates calculated exclusive of postreinforcement pause times were, in general, directly related to reinforcer magnitude, and the relation was shown to be a function of schedule configuration. 相似文献
193.
Holly E. Tatum Beth M. Schwartz Megan C. Hageman Shelby L. Koretke 《Ethics & behavior》2018,28(4):302-315
College students (n = 928) from small, medium, and large institutions with either a modified or no honor code were presented with cheating scenarios and asked to rate how dishonest they perceived the behavior to be and the likelihood that they would report it. No main effects were found for institution size or type of honor code. Student–faculty ratio was not correlated with responses to the cheating scenarios. Students from modified honor code schools perceived more severe punishments for cheating and understood the reporting process better than students from non–honor code schools. Implications for modified honor code systems are discussed. 相似文献
194.
V. Matar Touma 《Pratiques Psychologiques》2018,24(2):213-225
The body is as a living entity with three interrelated aspects: the physical motor skills, development processes, social and emotional interaction. The young child, regardless of his mental or physical condition, appropriates this entity when he is in contact with the surrounding world. Thus, the self-image will depend, in large part, on the person he is, the situation in which he lives (society, family), the nature and frequency of surrounding stimuli. A child carrying a handicap is likely to have a poor representation of his own self-image (disproportionate or deformed body) and an altered self-image, as far as he lives in a rejecting environment. In this paper, we have focused our research on how deaf children sees their self-image, based on our nineteen years of experience as a psychologist with hearing impaired children, in special schools. The various observations and assessments in this research, in addition to groups support offered to parents during all these years, give us today enough elements to show what kind of self-image the deaf child has of himself. Our assessment material was essentially thematic projective test of socialization –TSEA– and the drawing of the person. 相似文献
195.
Belén Pascual-Vera Amparo Belloch 《International Journal of Clinical and Health Psychology》2018,18(1):43-51
Background/Objective
Unwanted mental intrusions (UMIs) are the normal variants of obsessions in Obsessive-Compulsive Disorder (OCD), preoccupations about defects in Body Dysmorphic Disorder (BDD), images about illness in Hypochondriasis (HYP), and thoughts about eating in Eating Disorders (EDs). The aim was to examine the similarities and differences in the functional links of four UMI contents, adopting a within-subject perspective. Method: 438 university students and community participants (Mage = 29.84, SD = 11.41; 70.54% women) completed the Questionnaire of Unpleasant Intrusive Thoughts (QUIT) to assess the functional links (emotions, appraisals, and neutralizing/control strategies) of the most upsetting UMIs with OCD, BDD, HYP and EDs-contents. Results: HYP-related intrusions caused the highest emotional impact, OCD-related intrusions were the most interfering, and EDs-related intrusions interfered the least. The four UMI were equally ego-dystonic. Women appraised OCD-related intrusions more dysfunctionally, but men appraised the four intrusive contents similarly. All UMI instigated the urge to “do something”, to keep them under control and/or neutralizing them. Conclusions: Similarities among the functional links of intrusions related to OCD, BDD, HYP and EDs contents support their transdiagnostic nature and they might contribute to understanding common factors in these disorders. 相似文献196.
方差分析的统计检验力和效果大小的常用方法比较 总被引:1,自引:0,他引:1
本文对用方差分析统计检验力和效果大小进行估计的几种不同方法作了简要的介绍和比较。 相似文献
197.
A simple experimental paradigm creates the powerful illusion that one is touching one’s own hand even when the two hands are separated by 15 cm. The participant uses her right hand to administer stimulation to a prosthetic hand while the Examiner provides identical stimulation to the participant’s receptive left hand. Change in felt position of the receptive hand toward the prosthetic hand has previously led to the interpretation that the participant experiences self-touch at the location of the prosthetic hand, and experiences a sense of ownership of the prosthetic hand. Our results argue against this interpretation. We assessed change in felt position of the participant’s receptive hand but we also assessed change in felt position of the participant’s administering hand. Change in felt position of the administering hand was significantly greater than change in felt position of the receptive hand. Implications for theories of ownership are discussed. 相似文献
198.
Autoscopic phenomena (AP) are complex experiences that include the visual illusory reduplication of one’s own body. From a phenomenological point of view, we can distinguish three conditions: autoscopic hallucinations, heautoscopy, and out-of-body experiences. The dysfunctional pattern involves multisensory disintegration of personal and extrapersonal space perception. The etiology, generally either neurological or psychiatric, is different. Also, the hallucination of Self and own body image is present during dreams and differs according to sleep stage. Specifically, the representation of the Self in REM dreams is frequently similar to the perception of Self in wakefulness, whereas in NREM dreams, a greater polymorphism of Self and own body representation is observed. The parallels between autoscopic phenomena in pathological cases and the Self-hallucination in dreams will be discussed to further the understanding of the particular states of self awareness, especially the complex integration of different memory sources in Self and body representation. 相似文献
199.
Research suggests that exposure to sociocultural norms for idealized appearance can reduce both women's and men's body satisfaction. Despite comparable effects for both genders in the lab, in the “real-world” women's body satisfaction is chronically lower than men's. Real-world gender differences may arise from discrepancies in men's and women's everyday exposure to norms. Across eight studies using a variety of content analysis, survey, and experimental methods, we examine differences in sociocultural norms for ideal appearance pertaining to women and men in “daily life” contexts. We demonstrate that appearance norms encountered by women in daily life are more rigid, homogenous and pervasive than those for men, and that more messages implying the attainability of the ideal appearance are directed at women. Finally, experimental results show that homogeneous, rigid norms (like those typically encountered by women) are more harmful to body image than heterogeneous, flexible norms (like those typically encountered by men). 相似文献
200.
Evidence suggests positive effects of massage on psychological health; however, little is known about the effects of massage on body image. This research examined the effect of massage on state body image as well as relations between trait body image and attitudes toward massage. Forty-nine female university students were randomly assigned to either a massage condition or a control condition. It was hypothesized that participants in the massage condition would report improved state body image following the intervention when compared to participants in the control condition. As predicted, participants in the massage condition reported a more favorable state body image than participants in the control condition post-manipulation. Certain body image evaluations were moderately associated with views that massage is pleasurable, with the link between Body Areas Satisfaction and viewing massage as pleasurable reaching significance. Research is needed to determine the mechanism/s through which massage improves body image. 相似文献