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181.
Kevin Carnahan 《Heythrop Journal》2010,51(4):713-713
182.
Ockham’s razor is the principle that, all other things being equal, scientists ought to prefer simpler theories. In recent
years, philosophers have argued that simpler theories make better predictions, possess theoretical virtues like explanatory
power, and have other pragmatic virtues like computational tractability. However, such arguments fail to explain how and why
a preference for simplicity can help one find true theories in scientific inquiry, unless one already assumes that the truth is simple. One new solution to that problem is
the Ockham efficiency theorem (Kelly 2002, Minds Mach 14:485–505, 2004, Philos Sci 74:561–573, 2007a, b, Theor Comp Sci 383:270–289, c, d; Kelly and Glymour 2004), which states that scientists who heed Ockham’s razor retract their opinions less often and sooner than do their non-Ockham
competitors. The theorem neglects, however, to consider competitors following random (“mixed”) strategies and in many applications
random strategies are known to achieve better worst-case loss than deterministic strategies. In this paper, we describe two
ways to extend the result to a very general class of random, empirical strategies. The first extension concerns expected retractions,
retraction times, and errors and the second extension concerns retractions in chance, times of retractions in chance, and
chances of errors. 相似文献
183.
Dube WV Dickson CA Balsamo LM O'Donnell KL Tomanari GY Farren KM Wheeler EE McIlvane WJ 《Journal of the experimental analysis of behavior》2010,94(3):297-313
Restricted stimulus control refers to discrimination learning with atypical limitations in the range of controlling stimuli or stimulus features. In the study reported here, 4 normally capable individuals and 10 individuals with intellectual disabilities (ID) performed two-sample delayed matching to sample. Sample-stimulus observing was recorded with an eye-tracking apparatus. High accuracy scores indicated stimulus control by both sample stimuli for the 4 nondisabled participants and 4 participants with ID, and eye tracking data showed reliable observing of all stimuli. Intermediate accuracy scores indicated restricted stimulus control for the remaining 6 participants. Their eye-tracking data showed that errors were related to failures to observe sample stimuli and relatively brief observing durations. Five of these participants were then given interventions designed to improve observing behavior. For 4 participants, the interventions resulted initially in elimination of observing failures, increased observing durations, and increased accuracy. For 2 of these participants, contingencies sufficient to maintain adequate observing were not always sufficient to maintain high accuracy; subsequent procedure modifications restored it, however. For the 5th participant, initial improvements in observing were not accompanied by improved accuracy, an apparent instance of observing without attending; accuracy improved only after an additional intervention that imposed contingencies on observing behavior. Thus, interventions that control observing behavior seem necessary but may not always be sufficient for the remediation of restricted stimulus control. 相似文献
184.
185.
186.
Kevin Morris 《The Southern journal of philosophy》2010,48(4):393-416
Realization can be roughly understood as a kind of role‐playing, a relationship between a property that plays a role and a property characterized by that role. This rough sketch previously received only moderate elaboration; recently, however, several substantive theories of realization have been proposed. But are there any general constraints on a theory of realization? What is a theory of realization supposed to accomplish? I first argue that a view of realization is viable, in part, to the extent that physical realization under that view explains or accounts for why instances of realized properties are necessitated by how things are physically in a modally strong sense. In this sense, I claim that physical realization should explain physical supervenience. I then call into question two alternative desiderata and raise a challenge for attempts to explicate realization in terms of isomorphism or analogy. Finally, I explain how a causal‐functional account of realization, as well as less demanding accounts, can meet the preferred desideratum. 相似文献
187.
David Schultz Archana Ambike Sean Kevin Logie Katherine E. Bohner Laura M. Stapleton Holly VanderWalde Christopher B. Min Jennifer A. Betkowski 《Journal of abnormal child psychology》2010,38(5):601-613
Crick and Dodge’s (Psychological Bulletin 115:74–101, 1994) social information processing model has proven very useful in guiding research focused on aggressive and peer-rejected children’s
social-cognitive functioning. Its application to early childhood, however, has been much more limited. The present study responds
to this gap by developing and validating a video-based assessment tool appropriate for early childhood, the Schultz Test of
Emotion Processing—Preliminary Version (STEP-P). One hundred twenty-five Head Start preschool children participated in the
study. More socially competent children more frequently attributed sadness to the victims of provocation and labeled aggressive
behaviors as both morally unacceptable and less likely to lead to positive outcomes. More socially competent girls labeled
others’ emotions more accurately. More disruptive children more frequently produced physically aggressive solutions to social
provocations, and more disruptive boys less frequently interpreted social provocations as accidental. The STEP-P holds promise
as an assessment tool that assesses knowledge structures related to the SIP model in early childhood. 相似文献
188.
Based upon a functional approach to understanding aggression, we aimed to identify the occurrence of and to describe the features of three types of alcohol‐related violence defined a priori by ultimate goals: (1) violence in pursuit of nonsocial profit‐based goals, (2) violence in pursuit of social dominance goals, and (3) violence as defence in response to threat. A sample of 149 young men with offences of violence that were alcohol related was interviewed. Cases were classified and detailed information from the first ten cases in each class (N=30) was subjected to thematic analysis. Intoxicated violence in pursuit of nonsocial profit‐based goals was opportunistic and motivated by the desire for more alcohol or drugs. Violence, in these cases, although serious, appeared to be brief. Intoxicated violence in pursuit of social dominance goals was typically precipitated by past or current insult or injury, and was accompanied by strong anger and an adrenaline rush. Attacks were ferocious, and robbing the victim was not uncommon, perhaps to inflict additional humiliation. Feelings of pride and satisfaction were typical and expressions of remorse were uncommon. Regarding intoxicated violence as defence in response to threat, attacks were often expected, and in some cases the respondent made a pre‐emptive strike. Weapon use was common in this group. Fear was experienced, but so too was anger. Feelings of excitement were not reported and remorse was common. Further validation of these types is warranted, and the potential implications of these findings for prevention and treatment are discussed. Aggr. Behav. 36:67–79, 2010. © 2009 Wiley‐Liss, Inc. 相似文献
189.
Sara J. Landes Jessica R. Burton Kevin M. King Bryce F. Sullivan 《Counselling psychology quarterly》2013,26(3-4):330-342
An analog study was conducted to examine differences in women’s preference for and anticipated comfort self-disclosing to hypothetical therapists of different sexes based on the type of hypothetical presenting problem. The impact of general level of self-disclosure was also examined. Participants included female college students (n?=?187). Anticipated comfort self-disclosing to male or female therapist was rated by subjects when presented with therapists of each sex with the same qualifications. Women preferred and reported higher levels of anticipated comfort self-disclosing to a female therapist. The type of hypothetical presenting problem and general level of self-disclosure also impacted anticipated comfort self-disclosing. There was an interaction between general level self-disclosure and the sex of therapist on anticipated comfort self-disclosing. General level of self-disclosure only impacted anticipated comfort self-disclosing when the therapist was male. This information is relevant for therapists or organizations that provide psychosocial services to women. Organizations may want to inquire about a client’s preferences about sex of therapist beforehand and, if possible, cater to the client’s preference. 相似文献
190.
Studies on dynamic (i.e., kinesthetic) touch perception have shown that perception of many properties of wielded objects are linked to variables related to the rotational inertia of those objects. The broad nature of the sensitivity to such variables invites the question of whether various perceived functional properties of wielded objects are distinct (i.e., whether they map to rotational inertia via different functions) or whether they are perceptually equivalent (i.e., whether they map to opposite extremes of the same function). Two experiments investigated whether hammer-with-ability and poke-with-ability are perceptually equivalent (i.e., metamers) using a metameric matching strategy. The results show that metamers for hammering were not metamers for poking, and vice versa. The results suggest that haptic perception of poke-with-ability and hammer-with-ability are distinct percepts. 相似文献