345 research outputs found
Exploring conflict and resolve through quality children\u27s literature
This paper explores the value of story structure in offering insights into human conflict and its resolve and in providing bounds in which children can explore these conflicts. A search for quality literature judged appropriate for the intellectual development of middle childhood (ages nine to eleven) will be conducted. The potential offered by these selected works in relating that characters create action and therefore resolve will be investigated
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Team performance: Using financial measures to evaluate the effect of support systems on team performance.
Organizations invest in team-based systems in order to generate innovative practices that will give them a competitive edge. High-performing teams require training and other support systems to gain the skills they need as well as to create and maintain an environment conducive to their success. The challenge for managers is to make resource allocation decisions among investment alternatives to maximize team effectiveness and still ensure a financial return for company investors. This study has three objectives. The first objective is to investigate whether there is a positive relationship among organizational environment, team potency (the team's collective belief it will succeed) and team performance. Results indicate that the presence of four organizational support systems influences team potency and performance. These support systems are the Design and Measurement, Rewards, Training and Communications Systems. In addition, results indicate that team potency is a mediating variable between the Design and Measurement and Communications Systems and team performance. These results suggest that companies are able to influence team performance by investing in environmental support systems. The second objective is to examine whether team members and managers view the organizational environment differently. Results indicate that managers view the Training and Communications Systems as more important, while teams perceive the Design and Measurement System and the Rewards System to be more important to their success. Since the systems that team managers view as important may influence their investment decisions, these differences may suggest a resource alignment issue. Third, a measure of team effectiveness based on financial measures is introduced. Published literature emphasizes attitudinal, behavioral and operational measures of performance. A financial measure offers a method of evaluating performance that is similar to methods used in capital budgeting and may be consistently applied across different types of teams with different purposes. The data collection process was performed by persons external to the team and covered a 12-month period. This method led to a loss of information and did not accurately portray team performance. However, the teams that were successful in calculating project savings were different types of teams from both manufacturing and service industries. This result is encouraging and warrants further investigation
Oxidation of myoglobin in isolated adult rat cardiac myocytes by 15-hydroperoxy-5,8,11,13-eicosatetraenoic acid
AbstractThe oxidation of intracellular myoglobin by 15-hydroperoxy-5,8,11,13-eicosatetraenoic acid was studied in suspensions of isolated adult rat heart cells. Myoglobin was converted to a species identified as ferrylMb by its reaction with Na2S to form ferrous sulfmyoglobin. This process was time-dependent and concentration-dependent in a manner consistent with direct accessibility of the exogenous peroxide to the cytosolic protein. The results indicate that myoglobin oxidation may be an early sign of oxidative injury and may limit myocardial function by elimination of this short-term O2 reserve
Disorder-driven localization and electron interactions in BiTeI thin films
Strong disorder has a crucial effect on the electronic structure in quantum
materials by increasing localization, interactions, and modifying the density
of states. BiTeI films grown at room temperature and \SI{230}{K} exhibit
dramatic magnetotransport effects due to disorder, localization and electron
correlation effects, including a MIT at a composition that depends on growth
temperature. The increased disorder caused by growth at 230K causes the
conductivity to decrease by several orders of magnitude, for several
compositions of BiTeI. The transition from metal to insulator with
decreasing composition is accompanied by a decrease in the dephasing length
which leads to the disappearance of the weak-antilocalization effect.
Electron-electron interactions cause low temperature conductivity corrections
on the metallic side and Efros-Shklovskii (ES) variable range hopping on the
insulating side, effects which are absent in single crystalline BiTeI. The
observation of a tunable metal-insulator transition and the associated strong
localization and quantum effects in BiTeI shows the possibility of tuning
spin transport in quantum materials via disorder.Comment: 7 pages, 4 figure
The development of a framework for an articulation plan for the transfer of credits from two- to four-year public educational institutions in North Carolina
It was the purpose of this study to develop a framework for an articulation plan to transfer credits for courses from two- to four-year public educational institutions in North Carolina. In 1981, 109,951 students were enrolled in the 58 institutions in the North Carolina Community College System. The problem precipitating the study was the lack of a plan whereby these students could transfer credits to institutions in the North Carolina University System. Only those students following a prescribed program of study in the College Transfer programs in the 23 community colleges in the system could transfer credits to the University System. A search was made of the education professional literature, and the articulation plans for higher education in other states were studied. Data were solicited through the use of a questionnaire mailed to the chief administrative officer of the two-year public postsecondary institutions in all 50 states. The 43 states (86 percent) from which data were received enrolled approximately 97 percent of students attending public two-year postsecondary educational institutions in the United States as of October, 1981. The states rated their plans using criteria developed by the researcher based on information gathered from the literature
Testing theories of temporal inferences: Evidence from child language
Sentences involving past tense verbs, such as “My dogs were on the carpet”, tend to give rise to the inference that the corresponding present tense version, “My dogs are on the carpet”, is false. This inference is often referred to as a 'cessation 'or 'temporal 'inference, and is generally analyzed as a type of implicature. There are two main proposals for capturing this asymmetry: one assumes a difference in informativity between the past and present counterparts (Altshuler & Schwarzschild 2013), while the other proposes a structural difference between the two (Thomas 2012). The two approaches are similar in terms of empirical coverage, but differ in their predictions for language acquisition. Using a novel animated picture selection paradigm, we investigated these predictions. Specifically, we compared the performance of a group of 4–6-year-old children and a group of adults on temporal inferences, scalar implicatures arising from “some”, and inferences of adverbial modifiers under negation. The results revealed that overall, children computed all three inferences at a lower rate than adult controls; however they were more adult-like on temporal inferences and inferences of adverbial modifiers than on scalar implicatures. We discuss the implications of the findings, both for a developmental alternatives-based hypothesis (e.g., Barner et al. 2011; Singh et al. 2016; Tieu et al. 2016; 2018), as well as theories of temporal inferences, arguing that the finding that children were more (and equally) adult-like on temporal inferences and adverbial modifiers supports a structural theory of temporal inferences along the lines of Thomas (2012)
Exploring the origins of perpendicular magnetic anisotropy in amorphous Tb-Co via changes in medium-range ordering
Amorphous thin films of TbCo (a-Tb-Co) grown by magnetron
co-sputtering exhibit changes in magnetic anisotropy with varying growth and
annealing temperatures. The magnetic anisotropy constant increases with
increasing growth temperature, which is reduced or vanishes upon annealing at
temperatures above the growth temperature. The proposed explanation for this
growth-induced anisotropy in high orbital moment Tb-based transition metal
alloys such as a-Tb-Co is an amorphous phase texturing with preferential
in-plane and out-of-plane local bonding configurations for the rare-earth and
transition metal atoms. Scanning nanodiffraction performed in a transmission
electron microscope (TEM) is applied to a-TbCo films deposited
over a range of temperatures to measure relative changes in medium-range
ordering (MRO). These measurements reveal an increase in MRO with higher growth
temperatures and a decrease in MRO with higher annealing temperatures. The
trend in MRO indicates a relationship between the magnetic anisotropy and local
atomic ordering. Tilting select films between 0 and 40 in
the TEM measures variations in the local atomic structure a function of
orientation within the films. The findings support claims that preferential
ordering along the growth direction results from temperature-mediated adatom
configurations during deposition, and that oriented MRO correlates with the
larger anisotropy constants.Comment: 13 pages, 9 figure
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