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941.
Using the simultaneous protocol to study equivalence class formation: the facilitating effects of nodal number and size of previously established equivalence classes 总被引:4,自引:4,他引:0
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Fields L Reeve K Rosen D Varelas A Adams B 《Journal of the experimental analysis of behavior》1997,67(3):367-389
The emergence of equivalence classes in college students is unlikely when all baseline relations are trained concurrently and all probes for emergent relations are then introduced concurrently (the simultaneous protocol). This experiment showed how the number of nodes and the size of previously established equivalence classes enhanced the emergence of new equivalence classes under the simultaneous protocol. First, one-node three-, five-, or seven-member classes or three-node five- or seven-member classes were established with college students. A sixth group received no pretraining. Then, the simultaneous protocol was used to establish new three-node five-member equivalence classes with all students. The speed and variability with which the baseline relations were established in the simultaneous protocol were inverse functions of number of nodes in the previously established classes, but not of their size. The percentage of subjects who showed the emergence of new equivalence classes under the simultaneous protocol was a direct function of number of nodes and size of pretrained classes. The additional time spent for pretraining greatly reduced the total training time needed to produce individuals who showed the emergence of classes under the simultaneous protocol. The total time saved was a direct function of number of nodes and number of stimuli in the pretrained classes. 相似文献
942.
本文以社会认知为出发点,考察印象形成记忆和认知表征;采用具体行为描述作为刺激材料,通过三个实验,160名被试,系统考察了印象形成中行为信息加工的方式。结果表明:(1)印象形成过程中,我们对行为信息进行精致加工编码,行为信息与品质相关,但它们是独立存贮在记忆中;(2)项目增加和项目丢失技术是区别精致加工和组织加工的有效工具。 相似文献
943.
Philosophical conceptions of identity and culture 总被引:1,自引:0,他引:1
Sabri Büyükdüvenci 《Studies in Philosophy and Education》1996,15(1-2):25-26
Identity and culture as the main concepts of INPE '94 were analyzed from philosophical perspectives that questioned their implications for our era of globalization. The formation of identities in a cultural context and their relationships with education gave focus to discussion. In other words, the effects of culture upon the individual and the role of education in strengthening or degrading these effects afforded the main concerns of our topical group. 相似文献
944.
荷包牡丹碱对受低强度训练的小鸡的记忆形成的影响 总被引:1,自引:1,他引:0
在小鸡一次性被动回避行为中,低强度训练的动物其长时记忆保持不良,而训练前10或20分钟注射γ-氨基丁酸能颉颃剂荷包牡丹碱,可明显提高长时记忆的保持水平,这一作用可被激动剂蝇蕈碱反转。记忆保持曲线进一步显示,受低强度训练的动物其记忆仅能保持至训练后20分钟,而注射荷包牡丹碱可使记忆至少延长至训练后120分钟。上述结果提示:小鸡的记忆形成受γ-氨基丁酸能系统的调节;γ-氨基丁酸能系统虽然直接参与中时记忆,但对长时记忆的形成似乎也是必需的。 相似文献
945.
信息的性质对内隐社会印象的影响 总被引:4,自引:0,他引:4
为了考察信息的性质对社会印象的影响,通过语义差异法建构了具有六个维度的社会印象量表;采用2×2×8的混合设计,给被试提供自然信息和七类不同性质的社会信息(组内设计),考察了评价人和被评价人性别特征(组间设计)在社会印象形成过程中的作用;同时,还测量了被试的外显性别态度。结果表明,在否定个人智慧、社会地位、性别特征和品质特征时,所形成的社会印象在被评价人性别特征上表现出了差异,并且男女被试都表现出了“好人主义”倾向;在外显性别态度上男女被试设有差异;此外,还分析了用语义差异法测量内隐社会印象的适用性。 相似文献
946.
本文采用问卷调查的形式,研究了上海中学教师的进修心态。调查表明.教师认为进修能够增加知识和提高教学水平,进修时心情比较愉快.即使碰到心情不好也能坚持去进修;听课时能记笔记,希望多讲少考.多采取开卷考试,在阅卷考试时.希望考前复习的“透明度”越高越好;教师对其注意力、记忆和理解力的自我评价比较积极,他们的进修动机主要是满足个人的求知欲和提高教学水平。 相似文献
947.
Formation of the sameness-difference concept by Japanese monkeys from a small number of color stimuli
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K Fujita 《Journal of the experimental analysis of behavior》1983,40(3):289-300
Japanese monkeys were trained to form the sameness-difference concept. In Experiment 1, four monkeys were trained with two colors to discriminate matching stimulus pairs from nonmatching pairs by reinforcing only lever-pressing responses to matching pairs with a variable-interval schedule. Three monkeys showed successful transfer of this discrimination to two new colors, thus demonstrating that some Japanese monkeys are able to form this relational concept from a minimum number of stimuli. In Experiment 2, two monkeys were trained, in a Yes/No procedure with three colors, to press one lever under matching pairs and another lever under nonmatching pairs. Poor transfer performances to three new colors suggest that simultaneously establishing two different response patterns to matching and nonmatching pairs is ineffective in forming the concept. In Experiment 3, the amount of transfer to three new colors after mastering a standard three-color matching-to-sample task was compared with that of a modified task in which correct responses were reinforced with a within-trial variable-interval schedule. All three monkeys showed greater transfer with the modified procedure. The results suggest that the variable-interval schedule adopted within trials is effective in forming the sameness-difference concept. 相似文献
948.
Linda D. Nelson Stephen L. Stern Dominic V. Cicchetti 《Journal of psychopathology and behavioral assessment》1992,14(3):217-223
The Dysfunctional Attitude Scale (DAS) was designed to measure patterns of maladaptive thinking held by depressed individuals. Despite its wide use as a research and clinical tool, only a few studies to date were designed to examine its psychometric properties in a clinically depressed population. Moreover, problems of low sample size and limited tests of validity call these findings into question. The present study was designed to examine psychometric properties of the DAS in clinically depressed inpatients and in nondepressed clinical controls. Intertest correlations between the DAS parallel forms and between each form with total test scores ranged from r=.84 to r=.97. Intratest stability coefficients were r=.88 to r=.97. Support for the DAS as a valid measure of dysfunctional cognitions in depressed patients was also indicated. Of those scoring high on the DAS, 73% received an independent RDC diagnosis of clinical depression, while only 36% of those receiving low DAS scores were so diagnosed. 相似文献
949.
本文采用客观觉察阈值作为启动刺激呈现时间、以数字(阿拉伯数字)和数词(以中、德两种文字写出的数词)为刺激比较研究了在掩蔽刺激条件下中国与德国被试的启动效应.结果表明:1)中国被试的启动效应显著,在德国被试中未发现显著的启动效应;2)除数字—数字刺激组外,中国被试的启动效应显著地大于德国被试;3)中国被试的数词—数字刺激组比其他三个刺激组产生的启动效应大。我们从无意识加工特征、构词法的差异以及并行—连续加工理论的观点对上述结果分别进行了讨论. 相似文献
950.
Allan M. Schrier Claudia R. Thompson 《Journal of the experimental analysis of behavior》1980,33(2):291-298
Carter and Werner recently reviewed the literature on conditional discrimination learning by pigeons, which consists of studies of matching-to-sample and oddity-from-sample. They also discussed three models of such learning: the “multiple-rule” model (learning of stimulus-specific relations), the “configuration” model, and the “single-rule” model (concept learning). Although their treatment of the multiple-rule model, which seems most applicable to the pigeon data, is generally excellent, their discussion of the other two models is incomplete and sometimes inaccurate. Potential problems of terminology are discussed in the present paper, as are additional lines of research that deserve consideration by those interested in further work in this area. The issue of response versus stimulus selection (configuration versus compound-cue learning) is discussed in connection with the configuration model. Particular attention is given to Carter and Werner's criticism of the application, in studies with other species, of the learning set procedure in testing for single-rule learning. Some of the important related issues are: the bias for improvement on new problems in a series, the adequacy of a multiple-rule model to explain learning set formation, and evidence in favor of the single-rule model, at least in primates. Consideration of these additional contributions to the study of conditional discrimination learning emphasizes the usefulness of this task in the comparative study of cognitive processes. 相似文献