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191.
The aim of this study was to observe the relationship between time limit at the minimum velocity that elicits maximal oxygen consumption (TLim-v VO2 max) and stroke rate, stroke length, and stroke index. 13 men and 10 women, highly trained swimmers, performed an intermittent incremental test for v VO2 max assessment and an all-out swim to estimate TLim-v VO2 max. The mean +/- SD TLim-v VO2 max, v VO2 max, stroke rate, stroke length, and stroke index values were 233.36 +/- 53.92 sec., 1.40 +/- .06 meter/sec., 35.58 +/- 2.89 cycles/min., 2.39 +/- .22 meter/cycle, and 3.36 +/- .41 meter2/(cycle x sec.), respectively. The correlation between TLim-v VO2 max and stroke rate was -.51 (p < .01), and values for TLim-v VO2 max with stroke length (r = .52, p < .01) and stroke index (r = .45, p < .05). These results seem to suggest that technical skill is a key factor in typical efforts requiring prolonged aerobic power. 相似文献
192.
González Gutiérrez JL Peñacoba Puente C Moreno Rodríguez R López López A Velasco Furlong L 《The Spanish journal of psychology》2006,9(1):103-112
This paper presents the Nursing Motives for Helping Scale (N-MHS), an instrument designed for the evaluation of three of the four motives for helping derived from Batson's helping pathway theory. Dimensionality was analyzed by means of principal component analysis (n = 113), followed by confirmatory factor analysis. A 3-factor structure (corresponding to Batson's differentiation among altruistic motivation, reward-seeking motivation, and punishment-avoidance motivation, respectively), with 9 items distributed in three latent variables, revealed an acceptable fit to the data. Alpha values (.60 - .74) showed that internal consistency was acceptable for a newly developed subscale with a small number of items. Convergence validity was evaluated with correlations between N-MHS subscales scores and scores on the Professional Expectations Scale (Garrosa, Moreno-Jiménez, Rodríguez-Carvajal, and Morante, 2005). The three resulting subscales are a promising instrument for the evaluation of three nursing motives for helping that can contribute to reduce the potential risks and to improve the potential benefits both for the nurse and the patient. 相似文献
193.
Church AT Ortiz FA Katigbak MS Avdeyeva TV Emerson AM Vargas Flores Jde J Ibáñez Reyes J 《Journal of personality and social psychology》2003,85(2):332-347
A new measure of implicit theories or beliefs regarding the traitedness versus contextuality of behavior was developed and tested across cultures. In Studies 1 (N = 266) and 2 (N = 266), these implicit beliefs dimensions were reliably measured and replicated across U.S. college student samples and validity evidence was provided. In Study 3, their structure replicated well across an individualistic culture (the United States; N = 249) and a collectivistic culture (Mexico; N = 268). Implicit trait and contextual beliefs overlapped only modestly with implicit entity theory beliefs and were predicted by self-construals in ways that generally supported cultural psychology hypotheses. Implicit trait beliefs were fairly strongly endorsed in both cultures, suggesting that such beliefs may be universally held. 相似文献
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Ricardo F. Muñoz Barbara VanOss Marín Samuel F. Posner Eliseo J. Pérez-Stable 《American journal of community psychology》1997,25(3):325-343
A self-administered mood management intervention program for smoking cessation provided through the mail to Spanish-speaking Latinos resulted in a 23% abstinence rate at 3 months compared to an 11% abstinence rate for a smoking cessation guide alone. Participants (N = 136) were randomly assigned to receive either the cessation guide (the Guía), or the Guía plus a mood management intervention (Tomando Control de su Vida) presented in writing and in audiotape format. At 3 months after random assignment, 16 out of 71 of those assigned to the Guía-plus-mood management condition reported being abstinent (not smoking for at least 7 days) compared to 7 out of 65 in the Guía-only condition (z = 1.8; p = .04, one-tailed). Moreover, those with a history of major depressive episodes, but not currently depressed, reported an even higher abstinence rate in the Guía-plus-mood management condition, compared to the Guía-only condition (31 vs. 11%, z = 1.8, p = .04, one-tailed). We conclude that the mood management mail intervention substantially increases abstinence rates, especially for those with a history of major depressive episodes. 相似文献
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Conditions for rank preservation in a positive reciprocal matrix that is inconsistent are provided. Three methods of deriving ratio estimates are examined: the eigenvalue, the logarithmic least squares, and the least squares methods. It is shown that only the principal eigenvector directly deals with the question of inconsistency and captures the rank order inherent in the inconsistent data. 相似文献