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111.
When experiencing aggression from group members, chimpanzees commonly produce screams. These agonistic screams are graded
signals and vary acoustically as a function of the severity of aggression the caller is facing. We conducted a series of field
playback experiments with a community of wild chimpanzees in the Budongo Forest, Uganda, to determine whether individuals
could meaningfully distinguish between screams given in different agonistic contexts. We compared six subjects’ responses
to screams given in response to severe and mild aggression. Subjects consistently discriminated between the two scream types.
To address the possibility that the response differences were driven directly by the screams’ peripheral acoustic features,
rather than any attached social meaning, we also tested the subjects’ responses to tantrum screams. These screams are given
by individuals that experienced social frustration, but no physical threat, yet acoustically they are very similar to screams
of victims of severe aggression. We found chimpanzees looked longer at severe victim screams than either mild victim screams
or tantrum screams. Our results indicate that chimpanzees attend to the informational content of screams and are able to distinguish
between different scream variants, which form part of a graded continuum. 相似文献
112.
Katharine M. Putman Jeanette I. Lantz Cynthia L. Townsend Autumn M. Gallegos Amy A. Potts Rebecca C. Roberts Emily R. Cree Marina de Villagrán Cynthia B. Eriksson David W. Foy 《American journal of community psychology》2009,44(1-2):109-115
Indigenous aid workers carry out the majority of humanitarian aid work, yet there is little empirical information available on their support needs in different contexts. Focus groups (N = 26: Study 1) and a survey (N = 137; Study 2) were conducted with Guatemalan aid workers to explore their exposure to violence, posttraumatic stress symptoms, burnout, support needs, and motivators. Participants reported experiencing an average of 13 events of community violence and 17% reported symptoms consistent with posttraumatic stress disorder (PTSD). Direct community violence exposure and levels of emotional exhaustion were positively related to PTSD symptoms, while levels of personal accomplishment were inversely related to PTSD symptoms. Expressed support needs, motivators and rewards for aid work in the face of adversity are also reported as potential protective factors for further exploration. Implications for training and support of aid workers in similar contexts are also suggested. 相似文献
113.
Cindy C. Lora April N. Kisamore Kenneth F. Reeve Dawn B. Townsend 《Journal of applied behavior analysis》2020,53(1):175-187
Individuals with autism spectrum disorder (ASD) often have few employment opportunities and a lower job quality than individuals of typical development. Social deficits and lack of independence may contribute to underemployment and unemployment of individuals with ASD. The ability to solve problems might ameliorate some of these barriers. We taught four adolescents with ASD a problem-solving strategy (i.e., use of a textual activity schedule) to assist with independent completion of vocational tasks in the face of three types of problems (e.g., missing or broken items) and nonproblem situations. Following introduction of the problem-solving strategy, all four participants independently completed the tasks when a problem was presented and responding generalized to untaught vocational tasks. 相似文献
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Townsend SS Major B Sawyer PJ Mendes WB 《Journal of personality and social psychology》2010,99(6):933-947
The present research used validated cardiovascular measures to examine threat reactions among members of stigmatized groups when interacting with members of nonstigmatized groups who were, or were not, prejudiced against their group. The authors hypothesized that people's beliefs about the fairness of the status system would moderate their experience of threat during intergroup interactions. The authors predicted that for members of stigmatized groups who believe the status system is fair, interacting with a prejudiced partner, compared with interacting with an unprejudiced partner, would disconfirm their worldview and result in greater threat. In contrast, the authors predicted that for members of stigmatized groups who believe the system is unfair, interacting with a prejudiced partner, compared with interacting with an unprejudiced partner, would confirm their worldview and result in less threat. The authors examined these predictions among Latinas interacting with a White female confederate (Study 1) and White females interacting with a White male confederate (Study 2). As predicted, people's beliefs about the fairness of the status system moderated their experiences of threat during intergroup interactions, indicated both by cardiovascular responses and nonverbal behavior. The specific pattern of the moderation differed across the 2 studies. 相似文献
117.
Relations between average temperature of each of the 48 contiguous states and estimates of state IQ were inspected. Additional state variables were controlled in the correlational analyses, namely gross state product, percent Hispanic, Black, and Asian in the state population, and the pupil-to-teacher ratio for each state. A significant correlation between average temperature and state IQ was found (r = -.70, p < .001). Possible explanations are discussed. 相似文献
118.
A huge set of focused attention experiments show that when presented with color words printed in color, observers report the ink color faster if the carrier word is the name of the color rather than the name of an alternative color, the Stroop effect. There is also a large number (although not so numerous as the Stroop task) of so-called “redundant targets studies” that are based on divided attention instructions. These almost always indicate that observers report the presence of a visual target (‘redness’ in the stimulus) faster if there are two replications of the target (the word RED in red ink color) than if only one is present (RED in green or GREEN in red). The present set of four experiments employs the same stimuli and same participants in both designs. Evidence supports the traditional interference account of the Stroop effect, but also supports a non-interference parallel processing account of the word and the color in the divided attention task. Theorists are challenged to find a unifying model that parsimoniously explains both seemingly contradictory results. 相似文献
119.
A rich literature exists that examines individuals' perceptions of affirmative action in organizations. However, little is known regarding the evaluation of reverse gender discrimination claims arising from gender-based preferential treatment. This study investigated the possible existence of a gender similarity bias in evaluations of gender discrimination allegations using a laboratory experiment in which the strength of evidence against the defendant company and the gender of the plaintiff were manipulated. Our sample consisted of 120 undergraduate students (60 men, 60 women) from diverse racial/ethnic groups (35% Asian, 6% African American, 18% Hispanic, and 41% Caucasian). Results suggested that female mock jurors favored female plaintiffs over male plaintiffs. In contrast, there were no gender-related differences in perceptions of male plaintiffs. Thus, although women did not disadvantage male plaintiffs, there was a tendency for them to be favorably biased in favor of female plaintiffs. As expected, this tendency was greatest under conditions of evidential uncertainty about the company's guilt. 相似文献
120.
A sample of 6,370 students in Grades 6 to 8 completed a questionnaire on their attitudes and use of alcohol, tobacco, and other drugs. A subsample showed questionable data based on three criteria: missing responses, invalid responses, and inconsistent responses. Analysis indicated that this subsample was significantly different from the main group on demographic variables and self-reported life-time tobacco use. Results support efforts to identify and eliminate invalid data. 相似文献