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681.
Functional arm movements, such as reaching while standing, are planned and executed according to our perception of body position in space and are relative to environmental objects. The angle under which the environment is observed is one component used in creating this perception. This suggests that manipulation of viewing angle may modulate whole body movement to affect performance. We tested this by comparing its effect on reaching in a virtually generated environment. Eleven young healthy individuals performed forward and lateral reaches in the virtual environment, presented on a flat screen in third-person perspective. Participants saw a computer-generated model (avatar) of themselves standing in a courtyard facing a semi-circular hedge with flowers. The image was presented in five different viewing angles ranging from seeing the avatar from behind (0°), to viewing from overhead (90°). Participants attempted to touch the furthest flower possible without losing balance or stepping. Kinematic data were collected to analyze endpoint displacement, arm-postural coordination and center of mass (COM) displacement. Results showed that reach distance was greatest with angular perspectives of approximately 45-77.5°, which are larger than those used in analogous real world situations. Larger reaches were characterized by increased involvement of leg and trunk body segments, altered inter-segmental coordination, and decreased inter-segmental movement time lag. Thus a viewing angle can be a critical visuomotor variable modulating motor coordination of the whole body and related functional performance. These results can be used in designing virtual reality games, in ergonomic design, teleoperation training, and in designing virtual rehabilitation programs that re-train functional movement in vulnerable individuals. 相似文献
682.
Lisa M. Larson Tsui Feng Wu Donna C. Bailey Courtney E. Gasser Verena S. Bonitz Fred H. Borgen 《Journal of Vocational Behavior》2010,76(2):211-478
The purpose of this study is to examine the role of personality traits measured by the Multidimensional Personality Questionnaire (MPQ;
[Tellegen, 2000] and [Tellegen and Waller, 2008]) in selecting educational majors. Personality traits were examined alone, and with the combination of Holland’s hexagonal confidence domains, as measured by the general confidence themes (GCT) of the Skills Confidence Inventory (SCI; Betz, Borgen, & Harmon, 2005), and Holland’s interest domains, as measured by the general occupational themes (GOTs) of the 2005 Strong Interest Inventory (SII; Donnay, Morris, Schaubhut, & Thompson, 2005). Personality traits significantly contributed to the discrimination of nine educational major families in a sample of 368 undergraduate decided students. When the set of confidence and interest scales was added to the personality traits, the conservative jack knife hit rate was almost doubled. 相似文献
683.
Just as chemistry has methods for determining the composition of unknown substances, psychology needs, but has lacked, effective methods for identifying the "active ingredients" of social stimuli. We describe such a method and apply it to identify the verbal and nonverbal distress cues that serve as signals prompting others to provide social support. This method allowed us to identify 55 such cues. Furthermore, the cues that were salient in the minds of potential support providers depended on their goals. For example, when deciding whether someone needed support, negative nonverbal cues (e.g., distressed persons' fidgeting) were more salient, but when deciding whether one was willing to provide support, cues that suggested a positive outcome for the support seeker (e.g., distressed persons' positive attitude and open-mindedness) were more salient. 相似文献
684.
Liane J. Leedom Donna Andersen Mary Ann Glynn Meredith L. Barone 《Journal of counseling and development : JCD》2019,97(4):364-375
This study obtained feedback from intimate partner abuse survivors (N = 104) regarding helpful and unhelpful aspects of therapy. The survivors’ narrative accounts and answers to quantitative questions were subjected to quantitative and qualitative analysis. Results suggest that survivors sought therapy to understand themselves and the abuse they endured. Clinicians’ diagnoses of codependency or assertions that survivors chose the relationship weakened the therapeutic alliance and reduced the perceived helpfulness of therapy. 相似文献
685.
Donna Eisenstadt Michael R. Leippe Jennifer A. Rivers Mark. A. Stambush 《Journal of applied social psychology》2003,33(10):2123-2152
White students were asked to advocate a tuition policy beneficial to Blacks at either high or low personal cost. Advocates wrote an essay while undistracted or distracted, or only committed to writing it. More attitude change occurred when the policy was personally costly (important) and advocates were undistracted. Distraction may disrupt the dominant covert cognitive response, which is normally favorable to a freely agreed‐to advocacy. This makes anti‐advocacy thoughts more likely and the advocacy seem weaker, especially when the advocacy involves conflicted racial beliefs whose contemplation under load activates negative stereotypes. Some participants wrote essays that defied their agreement to endorse the policy, and distraction enhanced their attitude change. In this case, distraction presumably disrupted an anti‐advocacy dominant cognitive response. Thought listings supported these interpretations. Finally, commitment alone led to attitude change. Coun‐terattitudinal advocacy fosters attitude change in prejudice‐relevant domains if conditions support advocacy‐favorable thoughts during advocacy. 相似文献
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Universal Prevention Exposure as a Moderator of the Community Context: Findings from the PROSPER Project 下载免费PDF全文
Sarah M. Chilenski Janet A. Welsh Daniel F. Perkins Mark E. Feinberg Mark T. Greenberg 《American journal of community psychology》2016,57(1-2):8-19
This study examined how participation in a universal family skills‐building program may interact with community risks and resources to produce youth outcomes. Prior research has noted community‐level variability in risk and protective factors, but thus far no study has examined the role that participation on a community‐wide intervention may play in moderating the effects of community risks or resources. The study included 14 communities (seven in Iowa, seven in Pennsylvania) that implemented a family focused evidence‐based program as part of the PROSPER project. Community level variables included both risk factors (percent of low income families, the availability of alcohol and tobacco, norms regarding adolescent substance use, incidence of drug‐related crimes) and community resources (proactive school leadership, availability of youth‐serving organizations, and student involvement in youth activities). The proximal youth and family outcomes included youth perceptions of their parents’ management skills, parent–child activities, and family cohesion. Results indicated that the Strengthening Families Program:10–14 may have moderated the impact of the community risks and resources on community‐level youth outcomes; risk levels meaningfully associated with community‐level change in program participants, though these results varied somewhat by outcome. Generally, higher levels of resources also meaningfully associated with more positive change after participating in the family‐focused intervention. These results suggest that the effect of some evidence‐based programs may be even stronger in some communities than others; more research in this area is needed. 相似文献
689.
Microaggressions,Multiculturalism, and Gifted Individuals Who Are Black,Hispanic, or Low Income 下载免费PDF全文
The authors hypothesize that gifted individuals are subject to microaggressions based on their unique characteristics. These microaggressions are perpetuated when gifted individuals are also Black, Hispanic, or low income. Research from the field of gifted education is combined with the counseling and psychology literature to explore the common assumptions that may lead to microaggressions. Multicultural considerations for counseling are discussed through the context of giftedness. Recommendations for counseling culturally different and low‐income gifted students are presented. 相似文献
690.