38 research outputs found

    The Effects Of Power Distance, And Gender On The Use Of Nonverbal Immediacy Behaviors In Symmetrical And Asymmetrical Power Cond

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    Previous cross-cultural research in nonverbal immediacy indicates that nonverbal immediacy behavior varies across cultures, and some researchers have suggested that power distance might serve as a moderating variable, however no research has systematically set out to determine whether that is the case. This study assessed the perceived use of nonverbal immediacy under symmetric and asymmetric power conditions, as well as gender, in three cultures: Brazil, Kenya, and the United States. Quantitative data was collected from 527 participants who completed a nonverbal immediacy measure and an individual power distance measure under either a symmetric or an asymmetric power condition. Results related to power distance partially supported the idea that cultural power distance may act as a moderating variable with regard to the use of nonverbal immediacy behaviors. Related to gender, results revealed that: (a) female participants perceived more nonverbal immediacy behaviors than males, (b) under symmetric power conditions females were perceived to use more nonverbal immediacy than males, and (c) under asymmetric power conditions there was no statistically significant difference between use of nonverbal immediacy behaviors between females and males. Implications of results, limitations, and suggestions for future research are presented

    The Effects Of Gender And Power Distance On Nonverbal Immediacy In Symmetrical And Asymmetrical Power Conditions: A Cross-Cultural Study Of Classrooms And Friendships

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    This study assessed the association of nonverbal immediacy, gender, and relational power in Brazil, Kenya, and the United States. Five hundred and eight students completed questionnaires on nonverbal immediacy of either their best friend (symmetrical power condition) or an instructor (asymmetrical power condition). Results revealed that women perceived more nonverbal immediacy than men in all cultures. Under symmetrical power conditions women were perceived to use more nonverbal immediacy than men, but under asymmetrical power conditions no gender difference emerged. Specific aspects of this association varied across cultures. Results partially supported cultural power as a moderating variable with regard to the use of non nonverbal immediacy. © 2011 National Communication Association

    A Comparison Of The Relationship Between Instructor Nonverbal Immediacy And Teacher Credibility In Brazilian And U.S. Classrooms

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    Sixty-six students at a Brazilian university and 100 students at a large university in the Southeastern United States completed measures of nonverbal immediacy and source credibility regarding the instructor in the class immediately prior to the one in which the research took place. Among U.S. students, perceived instructor nonverbal immediacy behavior was positively associated with all 3 dimensions of source credibility: competence, trustworthiness, and caring. Among Brazilian students, instructor nonverbal immediacy was positively related to competence and caring only. The relationship of nonverbal immediacy to instructor competence was stronger Brazilian than it was for U.S. students. © 2011 Eastern Communication Association

    A Comparison of the Relationship Between Instructor Nonverbal Immediacy and Teacher Credibility in Brazilian and U.S. Classrooms

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    Sixty-six students at a Brazilian university and 100 students at a large university in the Southeastern United States completed measures of nonverbal immediacy and source credibility regarding the instructor in the class immediately prior to the one in which the research took place. Among U.S. students, perceived instructor nonverbal immediacy behavior was positively associated with all 3 dimensions of source credibility: competence, trustworthiness, and caring. Among Brazilian students, instructor nonverbal immediacy was positively related to competence and caring only. The relationship of nonverbal immediacy to instructor competence was stronger Brazilian than it was for U.S. students. © 2011 Eastern Communication Association

    Identification of TBX5 mutations in a series of 94 patients with Tetralogy of Fallot

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    Tetralogy of Fallot (TOF) (OMIM #187500) is the most frequent conotruncal congenital heart defect (CHD) with a range of intra- and extracardiac phenotypes. TBX5 is a transcription factor with well-defined roles in heart and forelimb development, and mutations in TBX5 are associated with Holt-Oram syndrome (HOS) (OMIM#142900). Here we report on the screening of 94 TOF patients for mutations in TBX5, NKX2.5 and GATA4 genes. We identified two heterozygous mutations in TBX5. One mutation was detected in a Moroccan patient with TOF, a large ostium secundum atrial septal defect and complete atrioventricular block, and features of HOS including bilateral triphalangeal thumbs and fifth finger clinodactyly. This patient carried a previously described de novo, stop codon mutation (p.R279X) located in exon 8 causing a premature truncated protein. In a second patient from Italy with TOF, ostium secundum atrial septal defect and progressive arrhythmic changes on ECG, we identified a maternally inherited novel mutation in exon 9, which caused a substitution of a serine with a leucine at amino acid position 372 (p.S372L, c.1115C>T). The mother's clinical evaluation demonstrated frequent ventricular extrasystoles and an atrial septal aneurysm. Physical examination and radiographs of the hands showed no apparent skeletal defects in either child or mother. Molecular evaluation of the p.S372L mutation demonstrated a gain-of-function phenotype. We also review the literature on the co-occurrence of TOF and HOS, highlighting its relevance. This is the first systematic screening for TBX5 mutations in TOF patients which detected mutations in two of 94 (2.1%) patients. © 2014 Wiley Periodicals, In
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