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991.
Paulus M van Dam W Hunnius S Lindemann O Bekkering H 《Psychonomic bulletin & review》2011,18(5):1022-1028
The acquisition of bidirectional action–effect associations plays a central role in the ability to intentionally control actions.
Humans learn about actions not only through active experience, but also through observing the actions of others. In Experiment 1, we examined whether action–effect associations can be acquired by observational learning. To this end, participants observed
how a model repeatedly pressed two buttons during an observation phase. Each of the buttonpresses led to a specific tone (action
effect). In a subsequent test phase, the tones served as target stimuli to which the participants had to respond with buttonpresses.
Reaction times were shorter if the stimulus–response mapping in the test phase was compatible with the action–effect association
in the observation phase. Experiment 2 excluded the possibility that the impact of perceived action effects on own actions was driven merely by an association of
spatial features with the particular tones. Furthermore, we demonstrated that the presence of an agent is necessary to acquire
novel action–effect associations through observation. Altogether, the study provides evidence for the claim that bidirectional
action–effect associations can be acquired by observational learning. Our findings are discussed in the context of the idea
that the acquisition of action–effect associations through observation is an important cognitive mechanism subserving the
human ability for social learning. 相似文献
992.
There is no published source that can inform behavioral measurement research about typical response rates measured by continuous recording in applied behavior analysis. The present study was designed to determine the distribution of data on rate of responding reported across a recent 10‐volume (1998–2007) sample of research articles from the Journal of Applied Behavior Analysis. Rate of responding was measured for 20 553 datapoints in 360 sets of data (one participant in one graph) presented in 60 research articles. The majority of datapoints showed response rates of less than 1.0 response per minute, with 28.3% at zero. The highest rate reported was 104.5 responses per minute. The maximum response rate in datasets was more than 1.0 response per minute in 96.7% of datasets, indicating that continuous recording has been employed in research in which a relatively high rate of responding was recorded at some time during the study. The data from this report will assist researchers to determine empirically the representativeness of response rates in studies of measurement in applied behavior analysis. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
993.
Phenomena in a variety of verbal tasks—for example, masked priming, lexical decision, and word naming—are typically explained
in terms of similarity between word-forms. Despite the apparent commonalities between these sets of phenomena, the representations
and similarity measures used to account for them are not often related. To show how this gap might be bridged, we build on
the work of Hannagan, Dupoux, and Christophe, Cognitive Science 35:79-118, (2011) to explore several methods of representing visual word-forms using holographic reduced representations and to evaluate them
on their ability to account for a wide range of effects in masked form priming, as well as data from lexical decision and
word naming. A representation that assumes that word-internal letter groups are encoded relative to word-terminal letter groups
is found to predict qualitative patterns in masked priming, as well as lexical decision and naming latencies. We then show
how this representation can be integrated with the BEAGLE model of lexical semantics (Jones & Mewhort, Psychological Review 114:1–37, 2007) to enable the model to encompass a wider range of verbal tasks. 相似文献
994.
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996.
Jordan AH Monin B Dweck CS Lovett BJ John OP Gross JJ 《Personality & social psychology bulletin》2011,37(1):120-135
Four studies document underestimations of the prevalence of others' negative emotions and suggest causes and correlates of these erroneous perceptions. In Study 1a, participants reported that their negative emotions were more private or hidden than were their positive emotions; in Study 1b, participants underestimated the peer prevalence of common negative, but not positive, experiences described in Study 1a. In Study 2, people underestimated negative emotions and overestimated positive emotions even for well-known peers, and this effect was partially mediated by the degree to which those peers reported suppression of negative (vs. positive) emotions. Study 3 showed that lower estimations of the prevalence of negative emotional experiences predicted greater loneliness and rumination and lower life satisfaction and that higher estimations for positive emotional experiences predicted lower life satisfaction. Taken together, these studies suggest that people may think they are more alone in their emotional difficulties than they really are. 相似文献
997.
The present research examined the hypothesis that participation in radical, but not moderate, action results in disidentification from the broader in-group. Study 1 (N = 98) was a longitudinal study conducted in the context of student protests against tuition fees in Germany and confirmed that participation in radical collective action results in disidentification with the broader in-group (students) whereas participation in moderate collective action does not. Both types of action increased politicized identification. Study 2 (N = 175) manipulated the normativeness of different types of imagined collective actions in the same context and replicated this disidentification effect for radical actions, but only when this action mismatched the broader in-group's norms. This study also indicated that these effects were partially mediated by perceived lack of solidarity and perceived lack of commitment to the cause among the broader in-group. The implications of these findings for understanding radicalization within social movements are discussed. 相似文献
998.
Diniz A Wijnants ML Torre K Barreiros J Crato N Bosman AM Hasselman F Cox RF Van Orden GC Delignières D 《Human movement science》2011,30(5):889-905
1/f noise has been discovered in a number of time series collected in psychological and behavioral experiments. This ubiquitous phenomenon has been ignored for a long time and classical models were not designed for accounting for these long-range correlations. The aim of this paper is to present and discuss contrasted theoretical perspectives on 1/f noise, in order to provide a comprehensive overview of current debates in this domain. In a first part, we propose a formal definition of the phenomenon of 1/f noise, and we present some commonly used methods for measuring long-range correlations in time series. In a second part, we develop a theoretical position that considers 1/f noise as the hallmark of system complexity. From this point of view, 1/f noise emerges from the coordination of the many elements that compose the system. In a third part, we present a theoretical counterpoint suggesting that 1/f noise could emerge from localized sources within the system. In conclusion, we try to draw some lines of reasoning for going beyond the opposition between these two approaches. 相似文献
999.
Positive versus negative affective states are associated with the use of broad versus specific knowledge structures. We predicted that specific self-concepts and task difficulty would affect performance expectancies only for individuals in a negative mood; for individuals in a positive mood, only the general self-concept, but not task difficulty, would affect performance expectancies. In an experiment, we manipulated task difficulty and mood, and we assessed self-concepts, performance expectancies, and task performance. The expected interactions for the formation of performance expectancies (mood × general self-concept, mood × specific self-concept, mood × difficulty) were found. Concerning the consequences of performance expectancies, we predicted that expectancies would affect actual performance only if the task was difficult and if task difficulty was taken into account when the expectancy is generated. This hypothesis was supported: The relationship between performance expectancies and actual performance was significant only for difficult tasks and given negative mood. 相似文献
1000.
Amy E. Crook Margaret E. Beier Cody B. Cox Harrison J. Kell Ashley Rittmayer Hanks Stephan J. Motowidlo 《International Journal of Selection & Assessment》2011,19(4):363-373
We report two studies that investigate single‐response situational judgment tests (SJTs) as measures of job knowledge. Study 1 examines relationships between job knowledge measured by a single‐response SJT, personality, and performance for museum tour guides. Study 2 extends Study 1's findings with a sample of volunteers using a single‐response SJT about volunteerism. In both studies, personality was related to knowledge, and knowledge predicted performance. In Study 2, knowledge accounted for incremental variance in performance beyond personality, but personality added no incremental variance beyond knowledge. Results suggest that knowledge of effective behavior and knowledge of ineffective behavior are separate constructs. These studies demonstrate the validity of single‐response SJTs and provide evidence that knowing what to do and what not to do are separate domains. 相似文献