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201.
Worsdell AS Iwata BA Dozier CL Johnson AD Neidert PL Thomason JL 《Journal of applied behavior analysis》2005,38(4):511-527
A great deal is known about the effects of positive reinforcement on response acquisition; by contrast, much less research has been conducted on contingencies applied to errors. We examined the effects of response repetition as an error-correction procedure on the sight-word reading performance of 11 adults with developmental disabilities. Study 1 compared single-response (SR) repetition and multiple-response (MR) repetition, and results showed that all 6 participants acquired more sight words with the MR procedure. Study 2 compared MR error correction following every incorrect response (continuous) and following one third of incorrect responses (intermittent), and results showed that all 6 participants acquired more sight words when error correction was continuous. Study 3 compared MR error correction in which errors required practice of the training word (relevant) versus a different word (irrelevant), and results showed that 3 of 9 participants showed better performance under the relevant condition; however, all participants showed improvement even under the irrelevant condition. Findings are discussed in terms of the behavioral processes by which error correction may enhance performance during acquisition. 相似文献
202.
Abstract— Three studies investigated the effects of self-construal activation on behavior conducive to interpersonal proximity. Study 1 revealed that compared with control participants, participants who were primed with the independent (or personal) self sat further away from where they anticipated another person would sit in a waiting room. Results of Study 2 indicated that participants primed with the interdependent (or social) self sat closer to the anticipated other person than did those primed with the independent self. Finally, Study 3 used the chronic self-construal of participants to predict the seating distance in dyadic settings. Results showed that greater independence of participants' self-construals was associated with greater spatial distance during the interaction. Together, the studies provide clear evidence that self-construal activation automatically influences interpersonal behavior as reflected in the actual distance between the self and others. Results are discussed in terms of the functions and motives connected to self-construals. 相似文献
203.
204.
Gonzalez-Vallejo C Reid AA Schiltz J 《Journal of experimental psychology. Learning, memory, and cognition》2003,29(5):942-954
The reflection effect (D. Kahneman & A. Tversky, 1979) was investigated using the stochastic model of choice developed by C. Gonzalez-Vallejo (2002). The model assumes that individuals make trade-offs among attribute values by relying on a difference variable. The model also specifies a threshold representing individual proclivities to reach to attribute differences. Two experiments demonstrated that changes in risk attitudes, from a gain to a loss situation, depended on the stimuli as well as on individuals' thresholds. Thresholds were generally lower in losses than in gains, indicating a risk-taking tendency. Thresholds were also lower when participants were endowed with greater savings. Model testing revealed better fits for the stochastic model than cumulative prospect theory (A. Tversky &. D. Kahneman, 1992). 相似文献
205.
206.
Eugen Diesch Paul Iverson Andreas Kettermann Claudia Siebert 《Psychological research》1999,62(1):1-19
In a study of the internal category structure of the vowel /i/, Kuhl found a “perceptual magnet effect”: Discrimination sensitivity
was poorer for category instances that were acoustically similar to the category prototype than it was for category instances
that were not. The typicality of category exemplars was determined by goodness judgments and was found to correlate with the
acoustics of average production. Analysis and interpretation of discrimination performance relied on two important assumptions:
that listeners perceived all stimuli presented as exemplars of the same vowel category and that, apart from the influence
of phonetic coding, discrimination sensitivity was the same across the investigated part of the vowel space. In the present
study, it is shown that production and perception estimates of the category prototype may diverge, possibly because listeners
seem to prefer hyperarticulated variants of vowel categories. An approach towards measurement of intra-category discrimination
minima is put forward and tested that protects against intercategory confounds and avoids the isosensitivity assumption.
Received: 26 November 1997 / Accepted: 25 May 1998 相似文献
207.
Miguel Perez Garcia Juan F. Godoy Garcia Nieves Vera Guerrero Jose A. Laserna Triguero Antonio E. Puente 《Neuropsychology review》1998,8(4):203-227
The evaluation of everyday memory (EM) was reviewed and reconceptualized. EM has established new objectives of study and the development of new methods to reach these objectives . At the basic level, this approach has already produced important discoveries and the development of new principles about memory and functioning. At the clinical level, this new area of investigation has resulted in evaluating deficits of EM, which is defined as what daily life functions remain impaired after a deficit pathology has occurred. A type of evaluation has evolved that is oriented toward treatment and extremely useful in designing rehabilitation programs for individuals with alterations in memory. 相似文献
208.
Claudia Carello Paula Fitzpatrick Ittai Flascher M. T. Turvey 《Attention, perception & psychophysics》1998,60(1):89-100
Four experiments addressed the relevance of the eigenvaluesI k of the inertia tensor for perceiving length by dynamic touch. Experiments 1–2 focused on the consequences of limiting variation in the minimum eigenvalueI 3. Both revealed that perceived length is a function ofI k . Whether the contribution ofI 3 is detected, however, depends on the range of values that characterize a particular object set. Experiments 3–4 considered the relationship between an independent index of a rod’s diameter, which does not affectI k , and actual manipulation of a rod’s diameter, which does affectI k . Whereas the former appeared as satisfaction of implicit instructions to alter reports of perceived length, the latter entailed actual differences in perceived length in accordance withI k . Results are discussed with respect to the links among actual length, perceived length, andI k , as well as, in particular, how these links guarantee that perceived length is in the range of actual lengths. 相似文献
209.
210.
Sex differences in attribution of causality are investigated in three types of television programs: prime-time family, violent, and daytime serial shows. Both frequency and type of causal statements were studied, using DeCharm's conceptualization of personal causation as origin-like (internal to the self) or pawn-like (external to the self). There were striking sex differences in violent programs, with males modeling more origin behavior and females modeling more pawn behavior. In soap operas there were no sex differences, but both origin and pawn ideas were expressed in terms of personal responsibility, with fewer references to more competent origin behaviors such as goal setting, planned decision making, or self-confidence. These findings have implications for differential socialization of competent coping skills for males and females.The authors would like to express appreciation to Katie Henry and Jennifer Mardoyan, who assisted with this research. 相似文献