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461.
T A Tatham B A Wanchisen P N Hineline 《Journal of the experimental analysis of behavior》1993,59(2):349-359
The effect that ratio schedules of reinforcement had upon variability of responding was investigated in college students. Subjects were paid $0.02 contingent upon completion of eight presses, distributed in any combination across two push buttons; 256 different sequences were possible. Sequence emission was reinforced according to fixed- and variable-ratio schedules. Ratio requirements of 1, 2, 4 and 8 were presented in alternate components of a multiple schedule. The variability engendered by variable-ratio schedules was also compared to that engendered by fixed ratios. Variability increased with ratio size, irrespective of whether the schedule requirement was fixed or variable. The data demonstrate the similarity between the determinants of human and nonhuman variability, and they illustrate the role of ratio size in determining variability in operant behavior. 相似文献
462.
N Stemmer 《Journal of the experimental analysis of behavior》1990,54(3):307-315
Skinner's Verbal Behavior (1957) is a comprehensive treatise that deals with most aspects of verbal behavior. However, its treatment of the learning of grammatical behavior has been challenged repeatedly (e.g., Chomsky, 1959). The present paper will attempt to show that the learning of grammar and syntax can be dealt with adequately within a behavior-analytic framework. There is no need to adopt mentalist (or cognitivist) positions or to add mentalist elements to behaviorist theories. 相似文献
463.
Undergraduates participated in two experiments to develop methods for the experimental analysis of self-reports about behavior. The target behavior was the choice response in a delayed-matching-to-sample task in which monetary reinforcement was contingent upon both speed and accuracy of the choice. In Experiment 1, the temporal portion of the contingency was manipulated within each session, and the presence and absence of feedback about reinforcement was manipulated across sessions. As the time limits became stricter, target response speeds increased, but accuracy and reinforcement rates decreased. When feedback was withheld, further reductions in speed and reinforcement occurred, but only at the strictest time limit. Thus, the procedures were successful in producing systematic variation in the speed, accuracy, and reinforcement of the target behavior. Experiment 2 was designed to assess the influence of these characteristics on self-reports. In self-report conditions, each target response was followed by a computer-generated query: “Did you earn points?” The subject reported by pressing “Yes” or “No” buttons, with the sole consequence of advancing the session. In some cases, feedback about reinforcement of the target response followed the reports; in other cases it was withheld. Self-reports were less accurate when the target responses occurred under greater time pressure. When feedback was withheld, the speed of the target response influenced reports, in that the probability of a “Yes” report increased directly with the speed of accurate target responses. In addition, imposing the self-report procedure disrupted target performance by reducing response speeds at the strictest time limit. These results allow investigation of issues in both behavioral and cognitive psychology. More important, the overall order in the data suggests promise for the experimental analysis of self-reports by human subjects. 相似文献
464.
465.
This study assessed stimuli controlling requests during a snack routine after extensive request training with a delayed prompt procedure. During training sessions, one of three three-item snack groups was presented to 3 subjects with severe mental retardation. Assessment sessions involved (a) training conditions (all items were visible), (b) presenting two of three items from a particular group, or (c) presenting no items. One subject requested food items when no food items were present, 2 frequently requested a missing item when the two other items were visible, and all subjects requested visible items. Procedures for assessing stimulus control, such as those described in the current paper, should lead to a better understanding of the variables controlling behaviors that initially appear perplexing and unpredictable. 相似文献
466.
Five behaviorological features of programmed instruction are outlined: behavioral objectives, reinforcement, activity rate: high and relevant, successive approximation, and mastery progression. Each of these topics is explained, and examples are given to illustrate the differences between programmed instruction and the more common transmission model of teaching. A final section provides suggestions on specific techniques of successive approximation. 相似文献
467.
动作记忆是伴随动作操作和意识卷入过程的一种记忆活动, 其强调意识卷入状态和操作情景对记忆活动的影响。以往的研究均采用SPT范式探讨动作记忆及其影响因素, 并提出非策略加工、多通道加工、动作编码和情景整合理论以解释SPT效应, 但由于关注角度不同, 所提的理论模型不能全面揭示动作记忆的加工机制。部分研究试图从来源监控方面探究动作记忆的内在机制, 但研究仍然存在分歧。 相似文献
468.
汉语儿童阅读能力发展中的语音加工技能研究 总被引:7,自引:1,他引:6
通过对儿童阅读发展这一领域相关研究的回顾,对汉语儿童阅读能力发展中的语音加工问题进行了探讨。在汉语阅读过程中,语音成分的介入已经得到了研究的普遍支持,但是在语音技能与阅读能力间的关系方面,虽然语音加工技能的不同成分(语音意识、声旁意识及言语工作记忆)与儿童阅读能力发展间都存在着一定的联系,但这些语音技能在汉语儿童阅读能力发展中所起作用的具体机制及介入程度还需进一步的研究论证。 相似文献
469.
To understand how children and adults produce written text, you must first be able to describe how they acquire some basic mechanisms. This is the reason to study the acquisition and use of simple orthographic principles. Following this idea, the research of Largy, Fayol et al. concerns nominal and verbal agreement in French. This article proposes a synthesis of the recent development in this domain. Through the study of two competences to be acquired by the writer — (1) to produce the flexional morphology of number in written text and (2) to revise and judge the correctness of this production — this article presents and discusses in which way the learner access to a writing expertise, always relative. 相似文献
470.
Corey S. Stocco Rachel H. Thompson John M. Hart Heidi L. Soriano 《Journal of applied behavior analysis》2017,50(3):495-510
Obtaining a job as a college graduate is partly dependent on interview performance. We used a multiple baseline design across skills to evaluate the effects of behavioral skills training with self‐evaluation for five college students. Training effects were evaluated using simulated interviews as baseline and posttraining assessments. All participants acquired targeted skills, but we observed some individual differences. Participants were satisfied with training outcomes and rated the procedures as acceptable. Furthermore, ratings from university staff who provide interview training indicated that training improved performance across several skills for the majority of participants. 相似文献