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Nelson Cowan Lara D. Nugent Emily M. Elliott Tara Geer 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》2000,53(3):647-660
Service (1998) carried out a study of the word length effect with Finnish pseudowords in which short and long pseudowords were identical except for the inclusion of certain phonemes differing only in pronunciation length, a manipulation that is impossible in English. She obtained an effect of phonemic complexity but little or no word duration effect per se - a discrepancy from the expectations generated by the well-known working memory model of Baddeley (1986). In the present study using English words, we controlled for phonemic complexity differences by using the same words for the short- and long-word sets, but with instructions inducing shorter or longer pronunciation of the words. We obtained substantial word duration effects. Concerns raised by Service are addressed, and we conclude that both duration and complexity are likely to contribute to the word length effect in serial recall. 相似文献
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Stewart Wolf M.D. 《Integrative psychological & behavioral science》1999,34(2):143-146
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The "pre-delinquent" behaviors of six boys at Achievement Place, a community based family style behavior modification center for delinquents, were modified using token (points) reinforcement procedures. In Exp. I, point losses contingent on each minute late were effective in producing promptness at the evening meal. During the reversal phase, threats (which were not backed up with point losses) to reinstate the point consequences initially improved promptness but the last two of five threats were ineffective. In Exp. II, point consequences effectively maintained the boys' room-cleaning behavior and, during a fading condition where the percentage of days when the contingency occurred was decreased, the point consequences remained effective for over six months, even when they were delivered on only 8% of the days. Experiment III showed that the boys saved considerable amounts of money when point consequences were available for deposits but saved little money when no points were available. Also, when points were given only for deposits that occurred on specific days the boys deposited their money almost exclusively on those days. In Exp. IV, point consequences contingent on the number of correct answers on a news quiz produced the greatest increase in the percentage of boys who watched the news and, to a lesser extent, increased the percentage of correct answers for the boys who watched the news. The results indicate that "pre-delinquent" behaviors are amenable to modification procedures and that a token reinforcement system provides a practical means of modifying these behaviors. 相似文献
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Arthur W. Staats Carolyn K. Staats Richard E. Schutz Montrose Wolf 《Journal of the experimental analysis of behavior》1962,5(1):33-40
Six 4-year-old Ss were presented with a textual program consisting of 26 words arranged so the word stimuli were gradually combined into sentences and then short “stories.” Three Ss were given the No-Reinforcement condition first, and only social reinforcers were presented. They were switched to the Reinforcement condition as soon as they requested discontinuance of the activity. The other three Ss were given Reinforcement—No Reinforcement—Reinforcement treatments. The No-Reinforcement treatment in this case lasted until S requested discontinuance of the activity. The reinforcers were mixed edibles and trinkets, as well as tokens backed up by small plastic toys on a 1:24 ratio. The unit of response was the number of new texts acquired as a result of each of the 45-min experimental sessions. It was demonstrated that the program, procedure, and reinforcement conditions produced curves which are analogous to those produced in common operant-conditioning procedures. The results indicate that other operant principles may be studied in this significant area of human behavior, with important practical consequences. 相似文献
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“Baba Has Come to Civilize Us”: Developmental Idealism and Framing the Strict Demands of the Brahma Kumaris
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Emily McKendry‐Smith 《Journal for the scientific study of religion》2016,55(4):698-716
This article extends and complicates the theory that “strict churches are strong” based on the strict demands that were followed and not followed by the Brahma Kumaris in Nepal. To be successful, strict religious groups must not only be strict, but also frame their strictness in ways that resonate with the everyday experiences and commonly held beliefs of their members. Nepali women involved with the Brahma Kumaris tend to accept and follow the group's demands when those demands have been framed as modern, and that framing is resonant with the prevailing definitions of modernity offered by Western development agencies. When the modern framing is not resonant, as with the case of framing celibacy as “spiritual birth control,” the strict demand is not followed, and the frame itself is rejected in favor of the practice being defined in different terms. 相似文献
250.
Emily Suskin Laura Hercher Kathleen Erskine Aaron Komal Bajaj 《Journal of genetic counseling》2016,25(5):1032-1043
Since its introduction four years ago, noninvasive prenatal screening for fetal aneuploidy (NIPS) has been widely adopted as a screening tool for women at a high risk for fetal aneuploidy. As use expands into the general population, questions arise concerning the integration of NIPS into preexisting screening paradigms. This study aims to examine the use of NIPS in current practice among prenatal counselors, predominantly in the United States, in order to inform strategies for the optimal use of both new and existing screening techniques. We electronically surveyed 208 members of the National Society of Genetic Counselors to ascertain how NIPS is currently being used. Genetic counselors were also queried as to the advantages and disadvantages of offering NIPS to all patients regardless of a priori risk. Results indicate substantial variation in practice regarding which patients are offered NIPS and how counselors have incorporated this technology into existing screening routines. The majority of participants report offering NIPS in conjunction with another method of screening for fetal aneuploidy, indicating that NIPS is being used as an addition rather than as a replacement. These screening methods primarily include nuchal translucency (NT) (45.1 %, n = 78) and first trimester serum screening, with or without an NT (19.7 %, n = 34). Furthermore, the majority report that they would be concerned about losing the clinical value of an NT in a complete transition to NIPS (85.4 %, n = 164). Counselors are evenly split on the merits of expanding the use of NIPS to the general population (con: 55.3 %, n = 105; pro: 44.7 %, n = 85). The lack of consensus suggests that updated practice guidelines might benefit counselors. In addition, respondents emphasized the need to better educate patients and providers about the risks, benefits, and limitations of the test. 相似文献