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181.
182.
Joe W. Tidwell Michael R. Dougherty Jeffrey R. Chrabaszcz Rick P. Thomas Jorge L. Mendoza 《Psychonomic bulletin & review》2014,21(3):620-628
The question of whether computerized cognitive training leads to generalized improvements of intellectual abilities has been a popular, yet contentious, topic within both the psychological and neurocognitive literatures. Evidence for the effective transfer of cognitive training to nontrained measures of cognitive abilities is mixed, with some studies showing apparent successful transfer, while others have failed to obtain this effect. At the same time, several authors have made claims about both successful and unsuccessful transfer effects on the basis of a form of responder analysis, an analysis technique that shows that those who gain the most on training show the greatest gains on transfer tasks. Through a series of Monte Carlo experiments and mathematical analyses, we demonstrate that the apparent transfer effects observed through responder analysis are illusory and are independent of the effectiveness of cognitive training. We argue that responder analysis can be used neither to support nor to refute hypotheses related to whether cognitive training is a useful intervention to obtain generalized cognitive benefits. We end by discussing several proposed alternative analysis techniques that incorporate training gain scores and argue that none of these methods are appropriate for testing hypotheses regarding the effectiveness of cognitive training. 相似文献
183.
This project examined the relationships among the motivation and cognitive profiles of adolescent friendship cliques and peripheral (outside the clique group) students in lower and upper track algebra classes. Two hundred and thirty students from two high schools completed a motivation and cognitive engagement instrument as well as a peer group nomination survey form. Twelve teachers were also asked to complete peer group nomination survey forms. This project used socio-metric and correlational techniques based on previous research traditions in exploring friendship and peer group research to examine these relationships. The results were consistent with theoretically driven predictions and extend previous findings of the impact of friendship cliques in lower grade levels to those of adolescents in the high school setting. Future research in adolescent friendship/clique group research is also discussed. 相似文献
184.
Wendy M. Yoder Allison K. LaRue Jason M. Rosen Somi Aggarwal Ruchi M. Shukla Joe Monir David W. Smith 《Attention, perception & psychophysics》2014,76(4):1093-1105
By attenuating neural and perceptual responses to sustained stimulation, adaptation enhances the detection of new, transient stimuli. Disadaptation serves a similarly important role as a temporal filter for chemoreceptor cells, producing rapid recovery of sensitivity upon termination of the adapting odorant. Previous research from our laboratory indicated that a rapid form of odor adaptation can be measured using a novel, simultaneous-odorant paradigm. In the present study, we extended the earlier method by measuring recovery from adaptation. Perceptual odor adaptation was measured by estimating psychophysical detection thresholds in a group of college-aged student volunteers (N = 20; 12 females, eight males) for a self-adapting odorant, vanilla extract. To induce adaptation, the time between the onset of the adapting odorant and the onset of the target odorant was systematically varied. By first quantifying adaptation, recovery of sensitivity could therefore be investigated by using different time points following the termination of the adapting odorant. Consistent with our previous work, thresholds estimated in the presence of the simultaneous adapting odorant were significantly increased, reflecting a decrease in sensitivity due to adaptation. Conversely, approximately 100 ms following termination of the adapting stimulus (the briefest delay tested), sensitivity began to rapidly recover. Nevertheless, some residual adaptation was evident at the longest offset delay of 500 ms. These findings suggest that the recovery from adaptation proceeds at least as rapidly as the onset of adaptation, a finding that is consistent with physiological evidence from olfactory receptors. These data also suggest the effectiveness of this new odorant paradigm in characterizing the temporal characteristics underlying these critical olfactory mechanisms. 相似文献
185.
Joe Milburn 《Metaphilosophy》2014,45(4-5):578-593
In recent years, philosophers have tended to think of luck as being a relation between an event (taken in the broadest sense of the term) and a subject; to give an account of luck is to fill in the right‐hand side of the following biconditional: an event e is lucky for a subject S if and only if ____. We can call such accounts of luck subject‐relative accounts of luck, since they attempt to spell out what it is for an event to be lucky relative to a subject. This essay argues that we should understand subject‐relative luck as a secondary phenomenon. What is of philosophical interest is giving an account of subject‐involving luck, i.e., filling in the right‐hand side of this biconditional: it is a matter of luck that S ?s iff ____. The essay argues that one of the upshots of focusing on subject‐involving luck is that lack of control accounts of luck (LCALs) become more attractive. In particular, a range of counterexamples to LCALs of subject‐relative luck do not apply to LCALs of subject‐involving luck. 相似文献
186.
Newborn screening for cystic fibrosis and sickle cell disease enables the early identification and treatment of affected children, prolonging and enhancing their quality of life. Screening, however, also identifies carriers. There are minimal or no health concerns for carriers. There are, however, potential implications when carriers reach reproductive age, and thus research attention has been given to how best to convey information about these implications in a meaningful, balanced way which does not raise undue anxieties. Most research focuses on the communication from health professional to parent, yet ultimately this information is of greatest significance to the child. This study examines parents’ intentions to inform their child of newborn screening carrier results. Semi-structured interviews with 67 family members explored their intentions to inform the child, and related views and support needs. Parents almost unanimously indicated they planned to inform the child themselves. Health professionals were expected, however, to provide guidance on this process either to parents through advice and provision of written materials, or directly to the child. Although parents initially stated that they would convey the result once their child had developed the ability to understand the information, many appeared to focus on discrete life events linked to informed reproductive decision making. The results highlight ways in which health care providers may assist parents, including providing written material suitable for intergenerational communication and ensuring that cascade screening is accessible for those seeking it. Priorities for further research are identified in light of the results. 相似文献
187.
188.
Joe Campbell 《Canadian journal of philosophy》2015,45(1):127-137
In The Riddle of Hume's Treatise: Skepticism, Naturalism, and Irreligion (2008), Paul Russell makes a strong case for the claim that “The primary aim of Hume's series of skeptical arguments, as developed and distributed throughout the Treatise, is to discredit the doctrines and dogmas of Christian philosophy and theology with a view toward redirecting our philosophical investigations to areas of ‘common life,’ with the particular aim of advancing ‘the science of man’” (2008, 290). Understanding Hume in this way, according to Russell, sheds light on the “ultimate riddle” of the Treatise: “is it possible to reconcile Hume's (extreme) skeptical principles and conclusions with his aim to advance the ‘science of man’” (2008, 3)? Or does Hume's skepticism undermine his “secular, scientific account of the foundations of moral life in human nature” (290)? Russell's controversial thesis is that “the irreligious nature of Hume's fundamental intentions in the Treatise” is essential to solving the riddle (11). Russell makes a compelling case for Hume's irreligion as well as his atheism. Contrary to this interpretation I argue that Hume is an irreligious theist and not an atheist. 相似文献
189.
Although the validity of collecting quantitative data using electronic platforms has been widely accepted, there has been concern that qualitative data collected on an electronic platform may not provide the same depth and richness in response quality as data collected using the pen-and-paper format. This article compares the quality of responses to open-ended questions collected using the pen-and-paper platform with responses collected using an electronic platform. Data for a program evaluation study were collected using either the pen-and-paper platform, an iPad, or an iPad Mini at a series of after-hours events for adults at the Center of Science and Industry, a Midwest science center. Metrics were designed to calculate a comprehensive response score consisting of the breadth of information and the richness of detail in open-ended item responses, allowing us to compare the overall response quality between the three platforms. Results indicate that qualitative data collected using electronic devices are as broad and detailed as data collected using traditional pen-and-paper techniques. 相似文献
190.
A duration model analysis of consumer preferences and determinants of video game consumption
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Despite the enormous revenues generated by the video game industry in recent years, relatively little research has been undertaken into consumer preferences and the determinants of video game consumption. This study addresses this deficiency through the analysis of data from a popular online video game that includes historic behavioural information for 1,408 consumers participating in 728,811 unique rounds of gameplay. We analyse these data with the goal of estimating determinants of the aggregate amount of time that a consumer spends playing the game. Through the estimation of duration models, we show that less experienced consumers are less likely to continue playing the game at any given point, possibly due to having achieved mastery and becoming bored. However, we also find that consumers tend to play the game for longer periods when using a wider range of character roles and vehicles, implying that a consumer's interest can be maintained through exposure to greater variety. Our results represent the first such evidence on in‐game consumer preferences, which has important implications for video game consumption through optimisation of gameplay experiences to satisfy these preferences. 相似文献