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261.
Gaissmaier and Schooler (2008) [Gaissmaier, W., & Schooler, L. J. (2008). The smart potential behind probability matching. Cognition, 109, 416-422] argue that probability matching, which has traditionally been viewed as a decision making error, may instead reflect an adaptive response to environments in which outcomes potentially follow predictable patterns. In choices involving monetary stakes, we find that probability matching persists even when it is not possible to identify or exploit outcome patterns and that many “probability matchers” rate an alternative strategy (maximizing) as superior when it is described to them. Probability matching appears to reflect a mistaken intuition that can be, but often is not, overridden by deliberate consideration of alternative choice strategies. 相似文献
262.
Three computer based experiments, testing human participants in a non-immersive virtual watermaze task, used a blocking design to assess whether two sets of geometric cues would compete in a manner described by associative models of learning. In stage 1, participants were required to discriminate between visually distinct platforms. In stage 2, additional spatial information was provided by the shape or the color of the walls of the pool. In a test trial, the platforms were removed and the spatial knowledge acquired regarding the position of the platform was assessed. Experimental groups were compared against control groups which did not receive stage 1 training. The unique color of the correct platform, in Experiments 1 and 3, disrupted learning about the colored walls but not the geometry of the pool. In Experiment 2, the correct platform was identifiable from its position within the three platform array. Learning the relative position of the correct platform within the array disrupted learning about its position relative to the geometry of the pool, but not to the colored walls. The results suggest that learning the position of a goal in relation to the geometry of the environment can be blocked but only by an alternative geometric cue. 相似文献
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266.
Derek W Johnston Marie Johnston Beth Pollard Ann-Louise Kinmonth David Mant 《Health psychology》2004,23(5):533-538
Perceived behavioral control (PBC) and intention, the proximal predictors from the theory of planned behavior (TPB), were used to predict cardiovascular risk behaviors in 597 patients 1 year after diagnosis with coronary heart disease. The outcome measures were self-report measures of exercise plus objective measures of fitness (distance walked in 6 min) and cotinine-confirmed smoking cessation. In multivariate analyses incorporating both PBC and intention, PBC predicted exercise, distance walked, and smoking cessation, but intention was not a reliable independent predictor of any health behavior measured. Thus, the effective theoretical component of the TPB was PBC. Similar predictions could derive from social-cognitive theory. In coronary patients, behavioral change needs to address issues of action implementation rather than motivational factors alone. 相似文献
267.
Richard J. Budd Derek North Christopher Spencer 《European journal of social psychology》1984,14(1):69-78
It is shown that Fishbein's ‘theory of reasoned action’ can be used to explain people's intentions to wear seat belts. As Bentler and Speckart (1979) have proposed, a self-report measure of past behaviour is shown to significantly improve the model's power; this extended Fishbein model being capable of accounting for the majority of the effects that extraneous variables, which are known to influence seat-belt use, have upon a person's behavioural intentions. In addition, it is shown that the model's motivation to comply term is, as Ajzen and Fishbein (1980) have proposed, a unipolar rather than a bi-polar construct, but that even when this construct is scored as unipolar, it does not significantly add to the model's predictive power. 相似文献
268.
Derek Hill 《British Journal of Guidance & Counselling》1992,20(1):75-89
RELATE's marital and sexual counselling generates ethical issues relating to the welfare of client couples and to the policy and public profile of the organisation itself. These issues are interactive and create a unique context within which volunteer counsellors work. Clients' private lives and relationships remain the prime focus of that work, but special attention is paid to the private aspects of relationships which impinge on the realities and the obligations of social living. 相似文献
269.
While most small microcomputers are powerful enough to control intricate experiments, a major limitation of many is their limited I/O capability. An interface for the KIM-1 or similar small microcomputer is described that provides for up to 128 or more inputs. The basic components of the interface are a series of shift registers through which the incoming data are manipulated and read by the microcomputer. Provisions are also made to latch the incoming data, allowing detection of very high rates of or even simultaneous data input. The interface is modular in design and can be expanded by increments of eight inputs. Use of the system to monitor a large number of running wheels is discussed. 相似文献
270.
Paul S. Smith Peter G. Britton Malcolm Johnson Derek A. Thomas 《Behaviour research and therapy》1975,13(4):301-307
Toileting difficulties constitute a severe problem in institutions for the mentally handicapped. The present study, in a British institution, is a cross-validation of the approach to toilet training outlined by Azrin et al. in the U.S.A. Although Azrin's approach was basically successful, a number of differences were found in running the programme. These differences, together with practical difficulties encountered, are discussed. 相似文献