Mirror analysis. How to achieve customer-driven human performance     

Pierre Mourier 《Performance Improvement》1999,38(8):10-20

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Goal translation how to create a results‐focused organizational culture     

Pierre Mourier 《Performance Improvement》2000,39(10):15-24

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The trouble with assimilation: Social dominance and the emergence of hostility against immigrants     

Serge Guimond  Pierre De Oliveira  Rodolphe Kamiesjki  Jim Sidanius 《Int J Intercult Relat》2010,34(6):642

In exploring the “status boundary enforcement hypothesis,” Thomsen, Green and Sidanius (2008) theorized and confirmed that Social Dominance Orientation would be more strongly correlated with a general willingness to aggress against immigrants when respondents are primed with an immigrant who is eager to assimilate into the dominant culture than when they are primed with an immigrant who prefers cultural isolation (separation). However, because assimilation differs from separation on both the home culture component and the host culture component, the actual source of this effect remains unclear. By using an assimilation versus integration contrast that differ only on the home culture component, the present study confirmed and extended Thomsen et al.’s findings. We were able to conclude that this counter intuitive effect, at odds with most research in this area, is primarily driven by people with high SDO having more negative reactions to immigrants’ willing to abandon their original cultures rather than to immigrants wanting to maintain contact with the host culture. The theoretical implications of these findings are discussed.  相似文献   

Mass media and the school: Descartes or McLuhan?     

Pierre Schaeffer 《Prospects》1980,10(4):425-440

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Book reviews     

Guy Neave  Marlis Krueger  Susan Hayes  Hans F. Crombag  Pierre Laszlo  Larry L. Leslie  Mel Freedman  Leon D. Epstein  Philip G. Altbach  David Court  Ali A. Mazrui  Lionel S. Lewis  Edward T. Gargan 《Higher Education》1978,7(1):107-130

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Determining friction and effective loading for sled sprinting     

Matt R. Cross  Farhan Tinwala  Seth Lenetsky  Pierre Samozino  Matt Brughelli  Jean-Benoit Morin 《Journal of sports sciences》2017,35(22):2198-2203

Understanding the impact of friction in sled sprinting allows the quantification of kinetic outputs and the effective loading experienced by the athlete. This study assessed changes in the coefficient of friction (µ_k) of a sled sprint-training device with changing mass and speed to provide a means of quantifying effective loading for athletes. A common sled equipped with a load cell was towed across an athletics track using a motorised winch under variable sled mass (33.1–99.6 kg) with constant speeds (0.1 and 0.3 m · s^?1), and with constant sled mass (55.6 kg) and varying speeds (0.1–6.0 m · s^?1). Mean force data were analysed, with five trials performed for each condition to assess the reliability of measures. Variables were determined as reliable (ICC > 0.99, CV < 4.3%), with normal-force/friction-force and speed/coefficient of friction relationships well fitted with linear (R² = 0.994–0.995) and quadratic regressions (R² = 0.999), respectively (P < 0.001). The linearity of composite friction values determined at two speeds, and the range in values from the quadratic fit (µ_k = 0.35–0.47) suggested µ_k and effective loading were dependent on instantaneous speed on athletics track surfaces. This research provides a proof-of-concept for the assessment of friction characteristics during sled towing, with a practical example of its application in determining effective loading and sled-sprinting kinetics. The results clarify effects of friction during sled sprinting and improve the accuracy of loading applications in practice and transparency of reporting in research.  相似文献   

Landing for success: a biomechanical and perceptual analysis of on-ice jumps in figure skating     

Lockwood KL  Gervais PJ  Mccreary DR 《Sports biomechanics / International Society of Biomechanics in Sports》2006,5(2):231-241

Technical evaluation in the sport of figure skating is characterized by a subjective marking system. Figure skating judges are responsible for quickly and accurately discerning the quality of technical elements as well as assigning a score to the overall aesthetic appearance of a performance. Traditionally, overall placement marks are assigned for the entire performance; however, the landing of a jump is widely acknowledged as one of the most critical elements of a skater's program. Therefore, our aims were to identify the biomechanical variables that contribute to technical success in executing landings and to establish whether landings rated as biomechanically optimal are also awarded high technical merit scores by judges. Ten nationally ranked competitive figure skaters were asked to execute on-ice, double and triple revolution jumps and to try to land the jumps void of technical faults within a calibrated space. Data were collected at 60 Hz using standard three-dimensional videography. Data reduction was done using the APAS system (Ariel Dynamics Inc). Concurrently, videotapes were viewed and evaluated by 42 accredited judges to determine the perceived technical quality of the landing performances. Judges were asked to evaluate the landing phase of each jump against a landing criteria document. A comparative criteria model was developed to facilitate an assessment of excellence in landing performances through both empirical and subjective analyses. Results of these analyses were twofold: a biomechanical profile of on-ice landings was obtained, and on-ice jump landing strategies rated by empirical evaluations were in agreement with judge's perceptions of the same performances.  相似文献   

Les chefs d’établissement. Diriger une institution scolaire ou universitaire,XVIIe–XXe siècle,editorial director Jean-François Condette,Rennes, Presses universitaires de Rennes, 2015, 362 pp., €22 (paperback), ISBN 978-2-7535-4133-7     

Pierre Caspard 《Paedagogica Historica: International Journal of the History of Education》2018,54(3):386-387

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Circles on pommel horse with a suspended aid: spatio-temporal characteristics     

Fujihara T  Gervais P 《Journal of sports sciences》2012,30(6):571-581

A suspended aid is popular for learning circles and for refining circle technique on pommel horse. The aim of this study was to investigate the effect of using a suspended aid on the biomechanical characteristics of circles. This first study focused specifically on the spatio-temporal characteristics of circles. Eighteen gymnasts performed three sets of 10 circles with and without a suspended aid on a pommel horse under which two force plates were set. Three-dimensional coordinates were acquired using 13 Qualisys motion tracking cameras operating at 100 Hz. The results showed that circles with the aid were characterised by a smaller body flexion angle, a greater shoulder angle, a greater ankle circle diameter, earlier hand releases, and a longer total duration. In contrast, the body lateral flexion angle, the arm-leaning angle, and the shoulder circle diameter remained relatively similar to circles without the aid. It was confirmed that circles with the aid actually appeared to be more desirable in terms of the movement amplitude. In this sense, a suspended aid could function as spotting, which is often used for a progression to learn gymnastics skills and to let gymnasts experience a desired movement pattern.  相似文献   

Men's and women's childhood sexual abuse and victimization in adult partner relationships: A study of risk factors     

Isabelle Daigneault  Martine Hébert  Pierre McDuff 《Child abuse & neglect》2009,33(9):638-647

Objectives(1) Document the prevalence of childhood sexual abuse (CSA), childhood physical assault, psychological, physical and sexual intimate partner violence (IPV) in a nationally representative sample. (2) Assess the predictive value of CSA and other characteristics of the respondents and their current partners as potential risk factors for IPV. (3) Assess factors predicting IPV in adulthood in a subsample of women reporting CSA.MethodsThe role of CSA as a risk factor for adult IPV was examined using data from the 1999 Canadian General Social Survey. A national stratified sample of 9170 women and 7823 men with current or previous partners were interviewed by telephone by Statistics Canada. Multiple logistic regressions were used.ResultsCSA consistently predicted IPV for women and men, although this relationship was weaker for men. Age, current marital status and limitations due to physical or mental condition or chronic illness were also predictors of IPV for men and women. For women reporting CSA, age (being younger) or being in a more recent relationship and being limited due to either physical, mental conditions or chronic illness were predictive of adult victimization.ConclusionsThese findings indicate that CSA is associated with a greater risk of IPV beyond sociodemographic risk factors.Practice implicationsTo prevent IPV in women already at risk because of CSA, education about protective strategies seems important, particularly for women with physical or mental limitations, in the beginning stages of intimate relationships or for women with partners who drink excessively.  相似文献