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"Thatcher, M."
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A history of theatre in Spain
\"Leading theatre historians and practitioners map a theatrical history that moves from the religious tropes of Medieval Iberia to the postmodern practices of twenty-first-century Spain. Considering work across the different languages of Spain, from vernacular Latin to Catalan, Galician and Basque, this history engages with the work of actors and directors, designers and publishers, agents and impresarios, and architects and ensembles, in indicating the ways in which theatre has both commented on and intervened in the major debates and issues of the day. Chapters consider paratheatrical activities and popular performance, such as the comedia de magia and flamenco, alongside the works of Spain's major dramatists, from Lope de Vega to Federico García Lorca. Featuring revealing interviews with actress Nuria Espert, director Lluís Pasqual and playwright Juan Mayorga, it positions Spanish theatre within a paradigm that recognizes its links and intersections with wider European and Latin American practices\"-- Provided by publisher.
Rectal Temperature, Calving-Related Factors, and the Incidence of Puerperal Metritis in Postpartum Dairy Cows
by
Risco, C.A.
,
Thatcher, W.W.
,
Archbald, L.F.
in
Animal productions
,
Animals
,
Biological and medical sciences
2007
The objectives of this study were as follows: 1) to evaluate the association among abnormal calving, parity, and season on the incidence of puerperal metritis (PM) and clinical endometritis (CE) during d 3 to 13 and 20 to 30 postpartum, respectively; 2) to describe the rectal temperature (RT) of cows with PM before diagnosis; and 3) to document associations among PM, CE, and reproductive performance in lactating dairy cows. This study followed a prospective observational study design. Cows were classified as having an abnormal calving status (AC), i.e., cows calving with dystocia, twins, retained fetal membranes, or some combination of these conditions, and having a normal calving status (NC). Daily RT was recorded from d 3 to 13 postpartum for all cows, and health examinations were performed on cows that appeared not well. A total of 450 calvings were evaluated. Cows with an AC had greater odds of PM than cows with NC [adjusted odds ratio (AOR) = 4.8; 95% confidence interval (CI) = 2.9 to 8.0). A season by parity interaction showed that primiparous cows that calved during the warm season had lower AOR of PM than during the cool season (0.24; 95% CI=0.09 to 0.62), whereas multiparous cows did not have seasonal effects on PM (1.43; 95% CI=0.65 to 3.18). Cows with AC have greater AOR for CE than cows with NC (2.8; 95% CI=1.7 to 4.9), and greater AOR of CE were detected in cows diagnosed with PM than in cows without PM (2.2; 95% CI=1.1 to 3.9). Rectal temperature in cows with PM increased significantly 24h before diagnosis of PM, reaching 39.2±0.05°C on the day of diagnosis. In cows with PM and fever at diagnosis, the RT began to increase from 72 to 48h before the diagnosis of PM and continued to increase to 39.7±0.09°C on d 0 (day of diagnosis). Nonetheless, cows with PM without fever at diagnosis had no daily increases in RT before diagnosis of PM. Still, the RT on d 0 was different from cows without PM. Cows without PM had a stable RT (38.6±0.01°C). There were no detected differences in first-service conception risk or cumulative pregnancy risk by 150 d postpartum between cows with or without PM. Still, a season effect on first-service conception AOR (warm vs. cool = 0.98; 95% CI=0.18 to 0.72) and accumulated pregnancy AOR by 150 d postpartum was detected (warm vs. cool = 0.18; 95% CI=0.10 to 0.33).
Journal Article
Do Workgroup Faultlines Help or Hurt? A Moderated Model of Faultlines, Team Identification, and Group Performance
by
Jehn, Karen A
,
Zanutto, Elaine L
,
Thatcher, Sherry M. B
in
Analysis
,
Awards
,
Business organization
2009
In this study we examine a moderated model of group faultlines, team identification, and group performance outcomes. We extend research on faultlines by showing how different faultline bases (social category and information-based faultlines) may have differential effects on the performance of groups. In addition to faultline strength (the extent of demographic alignment across members within a group), we examine the distance between faultline-based subgroups (e.g., two members of age 20 are closer in age to two members of an opposing subgroup of age 25 than of two members of age 50). We test our model using an archival field methodology and multiple-source data (qualitative and quantitative) from 76 workgroups in a Fortune 500 information-processing company. Our results revealed that groups with social category faultlines had low team discretionary awards. Faultline distance further exacerbated the negative effects of strength in groups with social category faultlines and produced similarly negative effects in groups with information-based faultlines. Team identification served as a moderator enhancing performance of groups with information-based faultlines.
Journal Article
Real World and Tropical Cyclone World. Part II
by
Wales, S.
,
Utembe, S.
,
Vaughan, A.
in
Atmospheric boundary layer
,
Atmospheric circulation
,
Atmospheric circulation models
2020
This study aims to investigate the response of simulated tropical cyclone formation to specific climate conditions, using an idealized aquaplanet framework of an ∼40-km-horizontal-resolution atmospheric general circulation model. Two sets of idealized model experiments have been performed, one with a set of uniformly distributed constant global sea surface temperatures (SSTs) and another in which varying meridional SST gradients are imposed. The results show that the strongest relationship between climate and tropical cyclone formation is with vertical static stability: increased static stability is strongly associated with decreased tropical cyclone formation. Vertical wind shear and midtropospheric vertical velocity also appear to be related to tropical cyclone formation, although below a threshold value of wind shear there appears to be little relationship. The relationship of tropical cyclone formation with maximum potential intensity and mean sea surface temperature is weak and not monotonic. These simulations strongly suggest that vertical static stability should be part of any climate theory of tropical cyclone formation.
Journal Article
It Depends: Environmental Context and the Effects of Faultlines on Top Management Team Performance
by
Thatcher, Sherry M. B.
,
Patel, Pankaj C.
,
Cooper, Danielle
in
Bias
,
Business entities
,
Business management
2014
Informational faultlines, the alignment of team member task-related attributes to form subgroups, are important in explaining team performance. Although informational faultlines may promote specialization and division of labor, they may also increase communication and coordination costs. Integrating work on the categorization-elaboration model, social identity theory, and contingency theory, we posit that facets of a team’s external environment moderate the effects of informational faultlines on performance. Using a sample of 380 top management teams, we examine moderation effects of environmental dynamism, complexity, and munificence. We find that informational faultline strength positively affects firm performance under low environmental dynamism, high complexity, and high munificence, but it negatively affects firm performance under high environmental dynamism, low complexity, and low munificence. We discuss the implications of our findings for theory and practice.
Journal Article
Real World and Tropical Cyclone World. Part I
by
Wales, S.
,
Utembe, S.
,
Sharmila, S.
in
Annual variations
,
Atmospheric boundary layer
,
Atmospheric models
2020
Recent global climate models with sufficient resolution and physics offer a promising approach for simulating real-world tropical cyclone (TC) statistics and their changing relationship with climate. In the first part of this study, we examine the performance of a high-resolution (∼40-km horizontal grid) global climate model, the atmospheric component of the Australian Community Climate and Earth System Simulator (ACCESS) based on the Met Office Unified Model (UM8.5) Global Atmosphere (GA6.0). The atmospheric model is forced with observed sea surface temperature, and 20 years of integrations (1990–2009) are analyzed for evaluating the simulated TC statistics compared with observations. The model reproduces the observed climatology, geographical distribution, and interhemispheric asymmetry of global TC formation rates reasonably well. The annual cycle of regional TC formation rates over most basins is also well captured. However, there are some regional biases in the geographical distribution of TC formation rates. To identify the sources of these biases, a suite of model-simulated large-scale climate conditions that critically modulate TC formation rates are further evaluated, including the assessment of a multivariate genesis potential index. Results indicate that the model TC genesis biases correspond well to the inherent biases in the simulated large-scale climatic states, although the relative effects on TC genesis of some variables differs between basins. This highlights the model’s mean-state dependency in simulating accurate TC formation rates.
Journal Article
Comparison of reproductive performance in lactating dairy cows bred by natural service or timed artificial insemination
by
Archbald, L.F.
,
Santos, J.E.P.
,
Risco, C.A.
in
Abortion, Veterinary
,
animal breeding
,
Animal productions
2009
The objective of this study was to compare reproductive performance of lactating dairy cows bred by natural service (NS) or timed AI (TAI). One thousand fifty-five cows were blocked by parity and enrolled to receive either NS or TAI. Cows in both groups were presynchronized with 2 injections of PGF2α given at 42 and 56 d postpartum. Fourteen days after the last PGF2α injection, cows in the TAI group were enrolled in an Ovsynch protocol (d 0 GnRH; 7 d later, PGF2α; 56h after PGF2α injection, second dose of GnRH; and 16h after second GnRH cows were TAI). Cows in the TAI group were resynchronized with an intravaginal insert containing progesterone inserted 18 d after TAI and removed 7 d later when GnRH was given. Cows were examined by ultrasonography on d 32 after TAI; nonpregnant cows received PGF2α and GnRH 56h later followed by TAI 16h after the GnRH injection. Nonpregnant cows in TAI group were reinseminated up to 5 times using the same scheme. Cows in the NS group were exposed to bulls 14 d after the second PGF2α injection, and ultrasonography was performed 42 d after exposure to bulls to determine pregnancy status. Nonpregnant cows in the NS group were reexamined by transrectal palpation combined with ultrasound every 28 d until diagnosed pregnant or 223 d postpartum, whichever occurred first. Cows diagnosed pregnant in TAI or NS were reconfirmed 28 d later to determine pregnancy loss. All bulls underwent an evaluation of breeding soundness and were rested for 14 d after 14 d of cow exposure. Health disorders were evaluated up to 70 d postpartum, and body condition score was evaluated at d 70 postpartum. Blood was collected on d 56 and 65 postpartum and analyzed for progesterone to determine cyclicity. The proportion of pregnant cows in the first 21 d of breeding did not differ between groups. The overall 21-d cycle pregnancy rate (PR), which included a total of 8 and 5 service opportunities for NS and TAI, respectively, was not different between groups (25.7 and 25.0% for NS and TAI, respectively). The daily rate of pregnancy was 15% greater for NS than TAI because cows in NS had a greater PR, which resulted in fewer median days open (111 vs. 116 d). Proportion of pregnant cows at 223 d postpartum was greater in the NS than TAI group (84.2 vs. 74.8%, respectively). Cyclicity did not affect reproductive performance. Cows with body condition score ≥2.75 had greater proportion of pregnant cows in the first 21 d of breeding and daily PR in the first 223 d postpartum Primiparous cows had greater proportion of pregnant cows and daily PR than multiparous cows at 223 d postpartum. In conclusion, the greater proportion of pregnant cows in the NS group was attributed to more opportunities for breeding than in the TAI group.
Journal Article
A spectral nudging method for the ACCESS1.3 atmospheric model
2015
A convolution-based method of spectral nudging of atmospheric fields is developed in the Australian Community Climate and Earth Systems Simulator (ACCESS) version 1.3 which uses the UK Met Office Unified Model version 7.3 as its atmospheric component. The use of convolutions allow for flexibility in application to different atmospheric grids. An approximation using one-dimensional convolutions is applied, improving the time taken by the nudging scheme by 10-30 times compared with a version using a two-dimensional convolution, without measurably degrading its performance. Care needs to be taken in the order of the convolutions and the frequency of nudging to obtain the best outcome. The spectral nudging scheme is benchmarked against a Newtonian relaxation method, nudging winds and air temperature towards ERA-Interim reanalyses. We find that the convolution approach can produce results that are competitive with Newtonian relaxation in both the effectiveness and efficiency of the scheme, while giving the added flexibility of choosing which length scales to nudge.
Journal Article
Understanding the Effects of Self and Teammate OCB Congruence and Incongruence
2015
Purpose The purpose of this study is to draw on the social exchange framework to examine whether the similarity or difference between a focal employee's OCB and his/her teammates' overall OCB (termed as OCB congruence and incongruence) may be related to the employee's attitudes and behaviors. Design/methodology/approach Survey data were obtained from a sample of 188 employees embedded in 26 teams. We also obtained the performance ratings of these employees from their direct supervisor. Findings We found that neither OCB congruence nor OCB incongruence was related to individuals' trust in teammates and their performance. However, individuals' affective commitment toward their team moderated the relationship between OCB congruence and incongruence and their trust in teammates and performance. Implications This study demonstrates that in order to understand the relationship between a focal employee's OCB levels and his/her performance, it is important to simultaneously take into account the OCB levels of the teammates of this employee and his/her affective commitment toward the team. OCB congruence and incongruence had no effects on employees' performance and their trust in teammates if they were highly committed to their team. Originality/value Our study is the first to use multi-level polynomial regression analysis to test the notion that teammate OCB may have implications for the relationship between an employee's OCB and his/her performance and teammate trust.
Journal Article
Climate projections for Vietnam based on regional climate models
2014
This study uses an ensemble of regional climate models (RCMs) to simulate and project the climate of Vietnam. Outputs of 3 global climate models are dynamically downscaled using 3 RCMs. Experiments are performed for a baseline period from 1980 to 1999 and for a future projection from 2000 to 2050 with the A1B emission scenario. Verifications against observations at 61 selected meteorological stations in the region show that an ensemble mean of the 3 RCMs outperforms the individual RCM in representing the climatological mean state, and reasonably captures some extreme climate indices such as the annual maximum daily temperature (TXx), the annual minimum daily temperature (TNn), and the annual maximum 1 d precipitation (RX1day). Future ensemble projections of the temperature, precipitation, and 3 different extreme indices are then evaluated. The simulations predict the 2 m air temperature over Vietnam to significantly increase in both the near future 2011−2030 and middle-future 2031−2050 periods compared to the baseline period. The temperature trend tends to be positive and significant over the whole Vietnam for the spring, summer and fall periods, whereas it is insignificant in the north central region during winter. The highest increase of ~0.5°C decade⁻¹ appears to be pronounced in summer. For precipitation, future changes vary depending on regions and seasons, with the most significant increasing trend over the coastal plain of Central Vietnam, particularly during the winter monsoon season. Under the global warming scenario A1B, TXx and TNn show a significant increase, with the highest rate in the northern and central highlands regions of Vietnam. The extreme precipitation RX1day indices show increasing trends for the coastal zone in the south central region of Vietnam, suggesting more severe water-related disasters in this region in the future.
Journal Article