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131.
The purpose of the present study is to extend previous research investigating personality factors as determinants of financial risk taking in everyday money matters (e.g., personal investments and household affairs). Type A and Type B subjects were asked to make a series of everyday financial decisions that varied in degree of risk. Type A individuals took greater financial risks than Type B individuals. The results provide additional support for the influence of personality factors in everyday financial risk-taking behavior and demonstrated another area of risk taking associated with the Type A behavior pattern not previously identified. 相似文献
132.
Roderick Wong 《Motivation and emotion》1978,2(1):87-95
This experiment was designed to determine the extent to which performance differences on learning tasks arising from infantile handling reflect learning or emotionality differences. Handled and nonhandled rats were trained and tested in a controlled operant situation where a response on every other trial yielded reinforcement. A key light was turned on for 10 sec during each trial and was off during the 10-sec intertrial interval. The reinforced (S+) trials alternated in a regular sequence with nonreinforced (S–) trials. The pattern of S+ and S– trials recycled continuously throughout the session of 160 trials. The handled rats emitted more responses during both S+ and S– trials than did the nonhandled rats. However, when they were compared on the percentage of emitted responses that were reinforced, there was no significant differences between the two groups. These results were interpreted to suggest that infantile handling does not directly facilitate associative learning in rats.This research was aided by a grant from the National Research Council of Canada, 67-0247. I thank Linda Easton and Beverly Clark for their help in collecting and analyzing the data. 相似文献
133.
Three experiments were carried out to trace the developmental time course of apparent subjective rotation induced by rotating a tall striped drum around an observer. In Experiment 1, rotation of the drum led to increasingly frequent reports of subjective rotation over the first 30 sec of stimulation by the optokinetic stimulus, after which subjects experienced mostly apparent subjective rotation and a small amount of drum rotation. In Experiment 2, using a magnitude estimation technique to assess the speed of drum and subjective rotation, subjects reported subjective acceleration and drum deceleration of about the same magnitude over the first 30 sec of the 1-rain trial, followed by a steady level of subjective rotation with some residual drum movement. In Experiment 3, using three different drum speeds, it was found that the speed of steady-state rotation, as well as subjective acceleration and drum deceleration, are linear functions of the speed of the inducing stimulus. Implications of these observations towards the explanation of how we perceive a stable environment during locomotion are discussed. 相似文献
134.
What types of reminiscence are associated with successful aging? 总被引:8,自引:0,他引:8
To resolve the controversy regarding the adaptive benefits of reminiscence, the study was conducted to investigate what types of reminiscence are associated with successful aging. On the basis of prior research and content analysis, 6 types of reminiscence were identified: integrative, instrumental, transmissive, narrative, escapist, and obsessive. Successful aging was operationally defined as higher than average ratings in mental and physical health and adjustment as determined by an interviewer and a panel of gerontological professionals. Reminiscence data were gathered from 88 men and women judged to be aging successfully and 83 men and women judged to be aging unsuccessfully. All subjects were between 65 and 95 years of age, with approximately half living in the community and half in institutions. As predicted, successful agers showed significantly more integrative and instrumental reminiscence but less obsessive reminiscence than their unsuccessful counterparts. Community dwellers also showed more instrumental and integrative reminiscence than institutionalized seniors showed. Thus, only certain types of reminiscence are beneficial. 相似文献
135.
Hoo Keat Wong David R. T. Keeble Ian D. Stephen 《British journal of psychology (London, England : 1953)》2023,114(Z1):134-149
Previous cross-cultural eye-tracking studies examining face recognition discovered differences in the eye movement strategies that observers employ when perceiving faces. However, it is unclear (1) the degree to which this effect is fundamentally related to culture and (2) to what extent facial physiognomy can account for the differences in looking strategies when scanning own- and other-race faces. In the current study, Malay, Chinese and Indian young adults who live in the same multiracial country performed a modified yes/no recognition task. Participants' recognition accuracy and eye movements were recorded while viewing muted face videos of own- and other-race individuals. Behavioural results revealed a clear own-race advantage in recognition memory, and eye-tracking results showed that the three ethnic race groups adopted dissimilar fixation patterns when perceiving faces. Chinese participants preferentially attended more to the eyes than Indian participants did, while Indian participants made more and longer fixations on the nose than Malay participants did. In addition, we detected statistically significant, though subtle, differences in fixation patterns between the faces of the three races. These findings suggest that the racial differences in face-scanning patterns may be attributed both to culture and to variations in facial physiognomy between races. 相似文献
136.
We calculated visual ability in 13 strains of mice (129SI/Sv1mJ, A/J, AKR/J, BALB/cByJ, C3H/HeJ, C57BL/6J, CAST/EiJ, DBA/2J, FVB/NJ, MOLF/EiJ, SJL/J, SM/J, and SPRET/EiJ) on visual detection, pattern discrimination, and visual acuity and tested these and other mice of the same strains in a behavioral test battery that evaluated visuo-spatial learning and memory, conditioned odor preference, and motor learning. Strain differences in visual acuity accounted for a significant proportion of the variance between strains in measures of learning and memory in the Morris water maze. Strain differences in motor learning performance were not influenced by visual ability. Conditioned odor preference was enhanced in mice with visual defects. These results indicate that visual ability must be accounted for when testing for strain differences in learning and memory in mice because differences in performance in many tasks may be due to visual deficits rather than differences in higher order cognitive functions. These results have significant implications for the search for the neural and genetic basis of learning and memory in mice. 相似文献
137.
Lymnaea stagnalis were operantly conditioned to not perform aerial respiratory behaviour in a specific context (i.e. context-1). The memory for this learned response was reactivated 3 days later in context-1. During the 1 h reconsolidation period following memory reactivation, randomly picked snails were either maintained in context-1 or exposed to a new context (i.e. context-2). One hour later in the post-reconsolidation period, snails in context-1 were placed for 1 h in context-2 and vice-versa. In neither the hypoxic reconsolidation nor the post reconsolidation periods did snails receive a reinforcing stimulus when they opened their pneumostome. All snails were blindly tested for memory 24 h later period in context-2. Only those snails that had been exposed to context-2 during the reconsolidation period exhibited 'memory' for context-2. That is, memory infidelity was observed. Snails exposed to context-2 in only the post-reconsolidation period did not show memory for context-2. The immediate cooling of snails after their exposure to the new context in the reconsolidation period blocked the formation the implanted memory. Snails trained in context-1 and exposed to context-2 in the consolidation period only, also did not have memory for context-2. However, the memory for context-1 could still be recalled following successful implantation of the 'new' memory. All data presented here are consistent with the notion that during the reconsolidation process memory can be updated. 相似文献
138.
An overview is presented on research conducted in our lab to quantify the underlying principles behind the recognition of temporal patterns. We have been developing a theory based upon pattern matching and time-series analysis, which allows us to model and understand how humans recognize familiar patterns evolving over time and how performance degrades with noise. While our studies are primarily scientific in nature, the work has application beyond the elucidation of psychological and physiological mechanisms. We illustrate an application of these ideas to computer-based human identification through gait analysis. This study also illustrates a novel approach to interdisciplinary research by integrating experimental psychology with that of engineering design. 相似文献
139.
The aim of this study was to explore associated factors of post-stroke depression (PSD) among Chinese first-time stroke patients. A 6-month prospective design was adopted with data collected by face-to-face interviews and physical assessment at two observation time points: T1, within 48 h of admission to the rehabilitation hospitals and T2, 6 months after the first interview in the subject's current place of residence. The prevalence of PSD at T1 and T2 was found to be 69% and 48% respectively. Backward linear regression showed that five variables explained 55% of the variance of PSD at T2. Participants who had a higher level of depression at T2 tended to have a higher level of functional disability, less social companionship and poorer informational support. Those who had been homemaker at pre-morbid state and those who exhibited a higher level of depressive symptoms at T1 showed a higher level of depression at T2. The results of this study suggest that PSD could be a psychological condition arising from the disabling consequences and altered family roles caused by a stroke. 相似文献
140.
The goal-based perspective of performance appraisals suggests that raters who pursue different goals give different performance ratings. Yet previous studies have not provided strong empirical evidence that there are different impacts of different goals on mean rating and discriminability, nor have they provided evidence of a goal-rating causality. The authors extend the literature by manipulating rater goals in the context of peer evaluations of graded group projects with a sample of 104 undergraduate students. They find that (a) pursuing a harmony goal increased mean rating and decreased discriminability, and (b) pursuing a fairness goal increased mean rating and decreased discriminability when the group projects had not ended and increased mean rating but did not change discriminability when the group projects had ended. 相似文献