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121.
Greenwood JD 《History of psychology》2003,6(1):70-88
Wilhelm Wundt distinguished between "experimental psychology" and Volkerpsychologie. It is often claimed that Wundt maintained that social psychological phenomena, the subject matter of V?lkerpsychologie, could not be investigated experimentally but must be explored via comparative-historical methods. In this article it is argued that it is doubtful if many of the passages usually cited as evidence that Wundt held such a view actually such such a view. It is also argued that if Wundt did hold such a view, it was inconsistent with his own general theoretical position and methodological practice. It is suggested that it is anachronistic to attribute such a view to Wundt, because he appears to have had little interest in the experimental analysis of the synchronic social dynamics of psychological processes. Most of Wundt's arguments about the inappropriateness of experimentation were directed against the introspective analysis of diachronic historical processes. 相似文献
122.
GENDER-RELATED PATTERNS OF HELPING AMONG FRIENDS 总被引:3,自引:0,他引:3
Darren George Patrice Carroll Robert Kersnick Katie Calderon 《Psychology of women quarterly》1998,22(4):685-704
In this study, the social role theory of gender and helping (Eagly & Crowley, 1986) was applied to understand gender differences in helping behavior. Relationships among criterion variables of time spent helping and help quality; and key predictors of problem severity, empathic tendency, anger, sympathy, closeness, causal controllability, coping, and self-efficacy were applied. Participants from a large community sample ( N = 1,004) described situations in which they helped a friend and completed questionnaires describing factors that influenced their actions. Recipients of the help also filled out similar questionnaires. It was found that across many problem settings women spend more time helping, give higher quality help, and feel more empathy and sympathy in response to their friends' problems. Further, the presence of anger toward a friend is associated with more time spent helping but a lower quality of help. In contrast, men rate their friends' problems as more controllable/blameworthy and experience more anger. Further, controllability has a greater influence on a number of help-related variables. For both men and women, self-efficacy and perception of problem severity are the greatest direct predictors of helping. 相似文献
123.
Charles R. Greenwood Hill M. Walker Nancy M. Todd Hyman Hops 《Journal of applied behavior analysis》1979,12(4):639-652
The utility of teacher judgment (rankings, ratings) and peer judgment (sociometric ratings) were studied as screening variables for preschool social withdrawal/responsiveness. Observational measures of preschoolers' interaction were used as the validation criterion based upon theoretical, empirical, and practical considerations related to development of a multipurpose behavioral assessment system. Results indicated that teacher rankings of students' verbal interaction frequencies (1) were most highly correlated to interaction rate in two preschool settings, (2) had test-retest reliability consistently above Rho = .80, and (3) were useful in that 77% of teachers using this procedure could identify their least socially responsive student within five rankings. The peer nomination sociometric rating was the least reliable measure at retest (Rho = .35) and showed consistently the lowest correlation with observational indices of interaction partner preferences, e.g., reciprocal rate (Rho = .29 to .39). The tendency for relationships among screening measures and the criterion to increase at retest suggested a training effect on screening accuracy. The use of teacher rankings in combination with observational measures to confirm selection accuracy and for monitoring treatment progress is discussed as a cost-effective behavioral assessment procedure for preschool social withdrawal/responsiveness. 相似文献
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In this study, we examined the interrelationships among age, working memory (WM), processing speed, and the development of skilled performance. Younger (M=20.5) and older (M=68.9) adults were trained on an alphabet arithmetic task (Haider & Frensch, 1996) administered across three consecutive days. Although older adults were slower than younger adults, both age groups' response latencies decreased as a result of practice. Contrary to expectations, WM and processing speed were significantly correlated with performance late in training. Partial correlations suggested that age differences in performance at the end of training were mediated by individual differences in cognitive processing speed. 相似文献
128.
Katie Steele 《Synthese》2007,158(2):189-205
I focus my discussion on the well-known Ellsberg paradox. I find good normative reasons for incorporating non-precise belief,
as represented by sets of probabilities, in an Ellsberg decision model. This amounts to forgoing the completeness axiom of
expected utility theory. Provided that probability sets are interpreted as genuinely indeterminate belief (as opposed to “imprecise”
belief), such a model can moreover make the “Ellsberg choices” rationally permissible. Without some further element to the
story, however, the model does not explain how an agent may come to have unique preferences for each of the Ellsberg options.
Levi (1986, Hard choices: Decision making under unresolved conflict. Cambridge, New York: Cambridge University Press) holds that the extra element amounts to innocuous secondary “risk” or security
considerations that are used to break ties when more than one option is rationally permissible. While I think a lexical choice
rule of this kind is very plausible, I argue that it involves a greater break with xpected utility theory than mere violation
of the ordering axiom. 相似文献
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The zebrafish represents a potentially useful organism for studying genes involved in learning and memory function in vertebrates, because a number of genetic techniques in zebrafish have been developed to produce a wide variety of genetic mutants. While zebrafish mutants are being developed, behavioral studies on learning and memory function in zebrafish are in urgent need. The present study investigated active avoidance conditioning in normal zebrafish. Zebrafish were trained to swim from a lighted (CS) compartment to a dark compartment to avoid an electrical body shock (US) in a shuttle-box that consisted of a water-filled tank separated by an opaque barrier into two equal compartments. By varying the number of trials per training session and the duration of the intertrial interval, Experiments 1 and 2 showed that, with the CS, US, and intertrial interval being 12s, zebrafish learned avoidance responses within a training session consisting of 30 trials and retained the avoidance responses. Experiment 3 showed that zebrafish learned avoidance responses following the association between the CS of light and the US of shock in the avoidance conditioning paradigm. Using the avoidance conditioning paradigm, Experiment 4 investigated the amnestic effects of N-methyl-D-aspartate receptor antagonist MK-801 and nitric oxide synthase inhibitor L-NAME in zebrafish. Experiment 4 showed that post-training injection of L-NAME significantly impaired retention of avoidance responses while MK-801 did not, confirming previous results with other vertebrates. The results of the present study suggest the similar involvements of neurochemicals in learning and memory among vertebrates. Thus, future studies with zebrafish mutants may identify genes involved in learning and memory in vertebrates. 相似文献