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91.
Sarah K. Slocum Lindsay R. Mehrkam Kerri P. Peters Timothy R. Vollmer 《Behavioral Interventions》2017,32(3):234-241
Previous research on the treatment of pica (i.e., the ingestion of inedible objects) is limited compared to research on the treatment of other types of severe problem behavior. This study involved the use of differential reinforcement of alternative behavior, with a discard response as the alternative behavior, to treat pica presented by a 13‐year‐old girl with an autism spectrum disorder. We extended previous research by thinning the schedule of reinforcement for the alternative response. Substantial reductions in pica were obtained. Limitations and future directions in the treatment of pica are discussed. 相似文献
92.
Geoff Hollis 《Memory & cognition》2017,45(8):1350-1370
Continuous bag of words (CBOW) and skip-gram are two recently developed models of lexical semantics (Mikolov, Chen, Corrado, & Dean, Advances in Neural Information Processing Systems, 26, 3111–3119, 2013). Each has been demonstrated to perform markedly better at capturing human judgments about semantic relatedness than competing models (e.g., latent semantic analysis; Landauer & Dumais, Psychological Review, 104(2), 1997 211; hyperspace analogue to language; Lund & Burgess, Behavior Research Methods, Instruments, & Computers, 28(2), 203–208, 1996). The new models were largely developed to address practical problems of meaning representation in natural language processing. Consequently, very little attention has been paid to the psychological implications of the performance of these models. We describe the relationship between the learning algorithms employed by these models and Anderson’s rational theory of memory (J. R. Anderson & Milson, Psychological Review, 96(4), 703, 1989) and argue that CBOW is learning word meanings according to Anderson’s concept of needs probability. We also demonstrate that CBOW can account for nearly all of the variation in lexical access measures typically attributable to word frequency and contextual diversity—two measures that are conceptually related to needs probability. These results suggest two conclusions: One, CBOW is a psychologically plausible model of lexical semantics. Two, word frequency and contextual diversity do not capture learning effects but rather memory retrieval effects. 相似文献
93.
Despite the large body of literature investigating drug use, limited research has explored both the individual and structural dimensions of drug use, and an even smaller number of studies have focused on drug use in the Asian context. The current study draws on self-reported survey data on marijuana, methamphetamine, and opium use among offenders in South Korea. We apply four major theoretical perspectives to understand predictors of drug use in this context. Results demonstrate the link between methamphetamine use and unemployment and find strong predictability of social learning variables. Limitations and implications of the current study are discussed. 相似文献
94.
Bradlee W. Gamblin Matthew P. Winslow Benjamin Lindsay Andrew W. Newsom Andre Kehn 《Current psychology (New Brunswick, N.J.)》2017,36(2):217-224
Electronic data collection and participant pool management tools give researchers new ways to conduct research. The current study investigated the equivalency of in-person and online administrations of the Right-Wing Authoritarianism, Social Dominance Orientation, and Modern Racism scales across three modalities (administration in person, online through Sona Systems, and online through Mechanical Turk). Results indicate that in-person administration was largely equivalent to the randomly assigned online sample (Sona Systems) in terms of their intercorrelations, mean scores, variability, and reliability. However, the Sona sample consistently responded with strong attitudes for all measures, suggesting that social desirability may be decreased when completing these measures online. In addition, the Mechanical Turk sample differed in many ways from both in-person and Sona administration; although this nonequivalence is at least partially explained by sample demographic differences, other considerations may have exacerbated nonequivalence, including prior exposure to the measures and a desire to respond correctly. 相似文献
95.
Online comprehension of naturally spoken and perceptually degraded words was assessed in 95 children ages 12 to 31 months. The time course of word recognition was measured by monitoring eye movements as children looked at pictures while listening to familiar target words presented in unaltered, time-compressed, and low-pass-filtered forms. Success in word recognition varied with age and level of vocabulary development, and with the perceptual integrity of the word. Recognition was best overall for unaltered words, lower for time-compressed words, and significantly lower in low-pass-filtered words. Reaction times were fastest in compressed, followed by unaltered and filtered words. Results showed that children were able to recognize familiar words in challenging conditions and that productive vocabulary size was more sensitive than chronological age as a predictor of children's accuracy and speed in word recognition. 相似文献
96.
97.
Sue Finch Geoff Cumming Jennifer Williams Lee Palmer Elvira Griffith Chris Alders James Anderson Olivia Goodman 《Behavior research methods, instruments & computers》2004,36(2):312-324
Geoffrey Loftus, Editor of Memory & Cognition from 1994 to 1997, strongly encouraged presentation of figures with error bars and avoidance of null hypothesis significance testing (NHST). The authors examined 696 Memory & Cognition articles published before, during, and after the Loftus editorship. Use of figures with bars increased to 47% under Loftus's editorship and then declined. Bars were rarely used for interpretation, and NHST remained almost universal. Analysis of 309 articles in other psychology journals confirmed that Loftus's influence was most evident in the articles he accepted for publication, but was otherwise limited. An e-mail survey of authors of papers accepted by Loftus revealed some support for his policy, but allegiance to traditional practices as well. Reform of psychologists' statistical practices would require more than editorial encouragement. 相似文献
98.
Nonclinical use of online social networking sites: new and old challenges to medical professionalism
The AMA Council on Ethical and Judicial Affairs (CEJA) has written a position paper on how social medical use challenges medical professionalism. The report offers persuasive ethical and practical guidelines for nonclinical internet use, specifically for social networking. This commentary provides a framework from which to apply these guidelines, but adds that there may be important situations in which physicians are not able to act in accordance. The guidelines call for professional reporting of questionable online portrayals or behaviors, but this commentary argues that this may be not only cumbersome to implement, but may violate aspects of constitutional rights. While online social networking may in many ways be a new application of old challenges, there may be other aspects that require novel approaches to medical professionalism. 相似文献
99.
Intentions have been shown to be more accessible (e.g., more quickly and accurately recalled) compared to other sorts of to-be-remembered information; a result termed an intention superiority effect (Goschke & Kuhl, 1993). In the current study, we demonstrate an intention interference effect (IIE) in which color-naming performance in a Stroop task was slower for words belonging to an intention that participants had to remember to carry out (Do-the-Task condition) versus an intention that did not have to be executed (Ignore-the-Task condition). In previous work (e.g., Cohen et al., 2005), having a prospective intention in mind was confounded with carrying a memory load. In Experiment 1, we added a digit-retention task to control for effects of cognitive load. In Experiment 2, we eliminated the memory confound in a new way, by comparing intention-related and control words within each trial. Results from both Experiments 1 and 2 revealed an IIE suggesting that interference is very specific to the intention, not just to a memory load. 相似文献
100.
Schwartz SJ Weisskirch RS Zamboanga BL Castillo LG Ham LS Huynh QL Park IJ Donovan R Kim SY Vernon M Davis MJ Cano MA 《Journal of counseling psychology》2011,58(1):27-41
In the present study, we examined a bidimensional model of acculturation (which includes both heritage and U.S. practices, values, and identifications) in relation to hazardous alcohol use, illicit drug use, unsafe sexual behavior, and impaired driving. A sample of 3,251 first- and second-generation immigrant students from 30 U.S. colleges and universities completed measures of behavioral acculturation; cultural values (individualism, collectivism, and self-construal); ethnic and U.S. identity; and patterns of alcohol and drug use, engagement in potentially unsafe sexual activities, and driving while (or riding with a driver who was) intoxicated. Results indicate that heritage practices and collectivist values were generally protective against health risk behaviors, with collectivist values most strongly and consistently protective. Nonetheless, heritage identifications were positively associated with sexual risk taking for Hispanics. U.S. practices, values, and identifications were not consistently related to risk behavior participation. Results are discussed in terms of bidimensional approaches to acculturation, the immigrant paradox, and implications for counseling practice. 相似文献