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351.
In psychology research studies, the goals of the experimenter and the goals of the participants often do not align. Researchers are interested in having participants who take the experimental task seriously, whereas participants are interested in earning their incentive (e.g., money or course credit) as quickly as possible. Creating experimental methods that are pleasant for participants and that reward them for effortful and accurate data generation, while not compromising the scientific integrity of the experiment, would benefit both experimenters and participants alike. Here, we explored a gamelike system of points and sound effects that rewarded participants for fast and accurate responses. We measured participant engagement at both cognitive and perceptual levels and found that the point system (which invoked subtle, anonymous social competition between participants) led to positive intrinsic motivation, while the sound effects (which were pleasant and arousing) led to attentional capture for rewarded colors. In a visual search task, points were awarded after each trial for fast and accurate responses, accompanied by short, pleasant sound effects. We adapted a paradigm from Anderson, Laurent, and Yantis (Proceedings of the National Academy of Sciences 108(25):10367-10371, 2011b), in which participants completed a training phase during which red and green targets were probabilistically associated with reward (a point bonus multiplier). During a test phase, no points or sounds were delivered, color was irrelevant to the task, and previously rewarded targets were sometimes presented as distractors. Significantly longer response times on trials in which previously rewarded colors were present demonstrated attentional capture, and positive responses to a five-question intrinsic-motivation scale demonstrated participant engagement. 相似文献
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354.
Effects of university affiliation and “school spirit” on color preferences: Berkeley versus Stanford
The ecological valence theory (EVT) posits that preference for a color is determined by people’s average affective response
to everything associated with it (Palmer & Schloss, Proceedings of the National Academy of Sciences, 107, 8877–8882, 2010). The EVT thus implies the existence of sociocultural effects: Color preference should increase with positive
feelings (or decrease with negative feelings) toward an institution strongly associated with a color. We tested this prediction
by measuring undergraduates’ color preferences at two rival universities, Berkeley and Stanford, to determine whether students
liked their university’s colors better than their rivals did. Students not only preferred their own colors more than their
rivals did, but the degree of their preference increased with self-rated positive affect (“school spirit”) for their university.
These results support the EVT’s claim that color preference is caused by learned affective responses to associated objects
and institutions, because it is unlikely that students choose their university or develop their degree of school spirit on
the basis of preexisting color preferences. 相似文献
355.
Artificial neural networks applied to forecasting time series 总被引:1,自引:0,他引:1
356.
We investigated how spatial organization influences color-pair preference asymmetries: differential preference for one color pair over another when the pairs contain the same colors in opposite spatial configurations. Schloss and Palmer (2011, Attention, Perception, & Psychophysics 73 55-571) found weak figure ground preference asymmetries for small squares centered on large squares in aesthetic ratings. Here, we found robust preference asymmetries using a more sensitive forced-choice task: participants strongly prefer pairs with yellower, lighter figures on bluer, darker grounds (experiment 1). We also investigated which spatial factors influence these preference asymmetries. Relative area of the two component regions is clearly important, and perceived 3-D area of the 2-D displays (ie after the ground is amodally completed behind the figure) is more influential than 2-D area (experiment 2). Surroundedness is not required, because yellowness blueness effects were comparable for pairs in which the figure was surrounded by the ground, and for mosaic arrangements in which the regions were adjacent and separated by a gap (experiment 3). Lightness darkness effects, however, were opposite for figure ground versus mosaic organizations: people prefer figure-ground organizations in which smaller regions are lighter, but prefer mosaic organizations in which smaller regions are darker. Physiological, phenomenological, and ecological explanations of the reported results are discussed. 相似文献
357.
Three experiments were carried out to investigate the internal structure of a rectangular frame to test Arnheim's (1974 Art and Visual Perception, 1988 The Power of the Center) proposals about its 'structural skeleton'. Observers made subjective ratings of how well a small probe circle fit within a rectangle at different interior positions. In experiment 1, ratings of 77 locations were highest in the center, decreased with distance from the center, greatly elevated along vertical and horizontal symmetry axes, and somewhat elevated along the local symmetry axes. A linear regression model with six symmetry-related factors accounted for 95% of the variance. In experiment 2 we measured perceived fit along local symmetry axes versus global diagonals near the corners to determine which factor was relevant. 2AFC probabilities were elevated only along the local symmetry axes and were higher when the probe was closer to the vertex. In experiment 3 we examined the effect of dividing a rectangular frame into two rectangular 'subframes' using an additional line. The results show that the primary determinant of good fit is the position of the target circle within the local subframes. In general, the results are consistent with Arnheim's proposals about the internal structure of a rectangular frame, but an alternative interpretation is offered in terms of the Gestalt concept of figural goodness. 相似文献
358.
Many common behaviours require people to coordinate the timing of their actions with the timing of others' actions. We examined whether representations of musicians' actions are activated in coperformers with whom they must coordinate their actions in time and whether coperformers simulate each other's actions using their own motor systems during temporal coordination. Pianists performed right-hand melodies along with simple or complex left-hand accompaniments produced by themselves or by another pianist. Individual performers' preferred performance rates were measured in solo performance of the right-hand melody. The complexity of the left-hand accompaniment influenced the temporal grouping structure of the right-hand melody in the same way when it was performed by the self or by the duet partner, providing some support for the action corepresentation hypothesis. In contrast, accompaniment complexity had little influence on temporal coordination measures (asynchronies and cross-correlations between parts). Temporal coordination measures were influenced by a priori similarities between partners' preferred rates; partners who had similar preferred rates in solo performance were better synchronized and showed mutual adaptation to each other's timing during duet performances. These findings extend previous findings of action corepresentation and action simulation to a task that requires precise temporal coordination of independent yet simultaneous actions. 相似文献
359.
Ortiz Bonnín S Navarro Guzmán C García Buades E Ramis Palmer C Manassero Mas MA 《Psicothema》2012,24(2):337-342
This study presents the validity and reliability analysis of a questionnaire that assesses emotion work in the service sector. Emotion work is a term introduced by Hochschild (1983) and it refers to the expression of organizationally desirable emotions to influence the interactions with clients at work. The results show a 6-factor structure: Requirement to display Positive, Negative and Neutral Emotions, Sensitivity Requirements, Interaction Control and Emotional Dissonance. The analysis of the sub-scale scores reveals that the most frequently expressed emotions are positive, whereas negative emotions are expressed less frequently. 相似文献
360.
Baldwin EE Boudreault P Fox M Sinsheimer JS Palmer CG 《Journal of genetic counseling》2012,21(2):256-272
Empirical data on genetic counseling outcomes in the deaf population are needed to better serve this population. This study was an examination of genetics knowledge before and after culturally and linguistically appropriate pre-test genetic counseling in a diverse deaf adult sample. Individuals ≥18?years old with early-onset sensorineural deafness were offered connexin-26/30 testing and genetic counseling. Participants completed questionnaires containing 10 genetics knowledge items at baseline and following pre-test genetic counseling. The effects of genetic counseling, prior beliefs about etiology, and participant's preferred language on genetics knowledge scores were assessed (n?=?244). Pre-test genetic counseling (p?=?.0007), language (p?.0001), prior beliefs (p?.0001), and the interaction between counseling and beliefs (p?=?.035) were predictors of genetics knowledge. American Sign Language (ASL)-users and participants with "non-genetic/unknown" prior beliefs had lower knowledge scores than English-users and participants with "genetic" prior beliefs, respectively. Genetics knowledge improved after genetic counseling regardless of participants' language; knowledge change was greater for the "non-genetic/unknown" beliefs group than the "genetic" beliefs group. ASL-users' lower knowledge scores are consistent with evidence that ethnic and cultural minority groups have less genetics knowledge, perhaps from exposure and access disparities. Culturally and linguistically appropriate pre-test genetic counseling significantly improved deaf individuals' genetics knowledge. Assessing deaf individuals' prior beliefs is important for enhancing genetics knowledge. 相似文献