Miracle-dz/UniFAR-FTUs huggingface dataset:
Reciprocal Temporospatial Patterns of Msx2 and Osteocalcin Gene Expression During Murine Odontogenesis

Msx2 is a homeodomain transcription factor that regulates craniofacial development in vivo and osteocalcin (Osc) promoter activity in vitro. Msx2 is expressed in many craniofacial structures prior to embryonic day (E) E14 but is expressed at later stages in a restricted pattern, primarily in developing teeth and the calvarium. We examine Osc expression by in situ hybridization during murine development, detailing temporospatial relationships with Msx2 expression during preappositional and appositional odontogenesis and calvarial osteogenesis. Osc expression at E14–14.5 is very low, limited to a few perichondrial osteoblasts in the dorsal aspect of developing ribs. At E16.5 and E18.5, Osc expression is much higher, widely expressed in skeletal osteoblasts, including calvarial osteoblasts that do not express Msx2. No Osc is detected in early preappositional teeth that express Msx2. In incisors studied at an early appositional phase, Msx2 is widely expressed in the tooth, primarily in ovoid preodontoblasts and subjacent dental papilla cells. Osc is detected only in a small number of maturing odontoblasts that also express α1(I) collagen (Col1a1) and that are postproliferative (do not express histone H4). Msx2 expression greatly overlaps both histone H4 and Col1a1 expression in ovoid preodontoblasts and dental papilla cells. By the late appositional phases of E18.5 and neonatal teeth, Osc mRNA is highly expressed in mature columnar odontoblasts adjacent to accumulating dentin. In appositional bell‐stage molars, reciprocal patterns of Msx2 and Osc are observed in adjacent preodontoblasts and odontoblasts within the same tooth. Osc is expressed in mature columnar odontoblasts, while Msx2 is expressed in adjacent immature ovoid preodontoblasts. In less mature teeth populated only by immature ovoid preodontoblasts, only Msx2 is expressed‐–no Osc is detected. Thus, Msx2 and Osc are expressed in reciprocal patterns during craniofacial development in vivo, and Msx2 expression in preodontoblasts clearly preceeds Osc expression in odontoblasts. In functional studies using MC3T3‐E1 calvarial osteoblasts, Msx2 suppresses endogeneous Osc, but not osteopontin, mRNA accumulation. In toto, these data suggest that Msx2 suppresses Osc expression in the craniofacial skeleton at stages immediately preceeding odontoblast and osteoblast terminal differentiation.
Pretrial publicity: Effects of admonition and expressing pretrial opinions

Purpose. To assess the effect of pretrial publicity on mock jurors' post-trial opinions and verdicts, and to investigate the role of the judge's admonition to ignore information obtained outside the trial and the role of asking jurors for their opinions before the trial. Methods. In two studies, university students were exposed to pretrial publicity that was either negative or neutral towards the defendant, a week or more later were shown a videotape of a trial, and asked for their opinions about guilt and their verdicts. In Study 1, with 99 participants, the judge's instruction either did or did not contain a specific admonition to ignore information outside the trial. In Study 2, with 78 participants, pretrial opinions either were or were not solicited. Results. Neither study found any main effect of pretrial publicity. In Study 1, jurors given the specific admonition were less likely to think the defendant was guilty. In Study 2, only when participants were asked for their pretrial opinions of guilt were their post-trial opinions and verdicts significantly affected by negative pretrial publicity. Conclusions. The post-trial effects of pretrial publicity are not strong and robust, but rather appear to depend on other factors in the situation. We interpret the effect of the specific admonition as being due to a leaning-over-backwards phenomenon. We interpret the effect of soliciting pretrial opinions as magnifying the effects of pretrial publicity and producing an overestimate of their strength.
Approaches to Learning of Medical Students and Practising Physicians: some empirical evidence and its implications for medical education

Abstract This paper is a review of a sustained research effort in the field of learning styles and approaches to learning. In particular it focuses on how various aspects of the medical school environment (teaching, curriculum, assessment) effect students approach to their learning. It also shows that the more desirable ‘deep approach’ to learning is not as apparent in conventional medical schools as in the innovative problem‐based medical schools. The implications of these findings for undergraduate, postgraduate and continuing education are explored. Finally, there is an attempt to identify individual students who have learning problems and, thus, are at risk of academically underachieving.
Conducting Team building research in the context of sport and exercise

Abstract Team building (TB) research in sport psychology can be those forms of investigation that systematically examine the effectiveness of interventions developed to (a) influence, expectations and attitudes, and (d) reduce or eliminate group properties that detract or hinder the group's development toward effective teamwork. The objective of TB research is to identify controlled targetted approaches to interventions to produce valid, reliable, and cost-effective results. While these goals are desirable, caution must be taken to avoid the multiple problems and Criticisms levelled at TB research and practice in nonsport settings (DeMeusc & Liebowitz 1981). Before problems occur in sport research, investigators need to recognize and learn from past errors. The objective of this paper is to summarize characteristic research problems, give examples of research on TB in sport that have made a new beginning, and suggest types of research conducted by both the scientist and the practitioner. Practitioners nee.
Turkish Special Education Teachers’ Reported Use of Positive and Reductive Interventions for Problem Behaviors: An Examination of the Variables Associated With Use

The purpose of this survey study was to determine the following: (a) What strategies do Turkish special education teachers use to address problem behaviors in their classroom? (b) What are teachers’ views with regard to the effectiveness and acceptability of these strategies? (c) Is there a relationship between the use of strategies and teachers’ perceived effectiveness and acceptability? and (d) Are differences among teacher ratings of strategy use, effectiveness, and acceptability associated with teacher characteristics (e.g., area of specialization, years of experience)? Results revealed that Turkish teachers’ views of acceptability and effectiveness of strategies varied; however, in general, their ratings of positive strategies were higher than their ratings of reductive strategies. Results are discussed in the context of current literature, and directions for further research are suggested.
Social capital and voting participation of immigrants and minorities in Canada

Abstract Using the social capital literature as a base, we explore the impact of interaction with others on voter participation with particular emphasis on exploring the differences between Canadian-born majority and minority residents. We use the 2002 wave of the Equality Security Community survey to explore the relationship between voting and personal characteristics, work characteristics, social capital attributes and ethnic characteristics. We find that the odds of voting are largely a product of socio-demographic and social capital attributes. The impact of immigration and ethnicity is largely overridden. This suggests that it is not the minority attribute that impacts voting. Rather it is age, level of schooling and level of civic engagement which affects the probability of voting, both federal and provincial.
Behavioral Effects of Nonfinancial Performance Measures: The Role of Procedural Fairness

Recent suggestions that nonfinancial measures are essential to overcome the inadequacies of traditional financial measures have led to the widespread adoption of such measures. It is, however, unclear how employees react to these new measures. This study hypothesizes that favorable employee behaviors will only occur if employees perceive performance evaluation criteria as fair. It is therefore important to ascertain if the use of nonfinancial measures as performance criteria is procedurally fair. Based on a sample of 149 managers from the United Kingdom, the results indicate that the use of nonfinancial performance measures was perceived as procedurally fair. We also find that such perceptions are associated with higher organizational commitment which, in turn, enhances employee job performance.
Anti-Racist Practice in Noms: Reconciling Managerialist and Professional Realities

This article considers the implications for anti-racist practice in probation and prisons of the development of the National Offender Management Service (NOMS). The development of anti-racist work is considered in the context of an increasingly managerialist approach to criminal justice. Essentially, it is argued that the histories of racism and anti-racist work in the prison and probation services, and the underpinnings of such work - that is, the individual and organisational characteristics that have influenced the respective identities of those agencies - are critical and undervalued factors in the current change process. This in turn has concerning implications for the development of an anti-racist identity for NOMS.
Science Learning in a Leisure Setting.

Most people visit a science center in order to satisfy specific leisure-related needs; needs which may or may not actually include science learning. Falk proposed that an individual's identity-related motivations provide a useful lens through which to understand adult free-choice science learning in leisure settings. Over a 3-year period the authors collected in-depth data on a random sample of visitors to a large recently opened, hands-on, interactive science center; collecting information on why people visited, what they did within the science center, what they knew about the subject presented upon entering and exiting, and what each individual's long-term self-perceptions of their own learning was. Presented is a qualitative analysis of visitor interviews collected roughly 2 years after the initial visit. Although there was evidence for a range of science learning outcomes, outcomes did appear to be strongly influenced by visitor's entering identity-related motivations. However, the data also suggested that not only were the motivational goals of a science center visit important in determining outcomes, so too were the criteria by which visitors judged satisfaction of those goals; in particular whether goal satisfaction required external or merely internal validation. The implications for future informal science education research and practice are discussed. © 2009 Wiley Periodicals, Inc. J Res Sci Teach 47:194–212, 2010
Perceptions of Organizational Politics: Prediction, Stress-Related Implications, and Outcomes

The perceptions of organizational politics model proposed by Ferris, Russ, and Fandt (1989) was tested in this study, and reasonably strong support was found for most of the linkages in the model, including the moderating effects of control and understanding, and the mediating effects of politics between predictors and outcomes. Furthermore, politics was characterized as a potential source of stress in the work environment, contributing to our understanding of the dynamics of politics in organizations. The results of the present study are discussed in light of the implications and directions for future research.
Temporal Dynamics of Social Exchange and the Development of Solidarity: “Testing the Waters” Versus “Taking a Leap of Faith”

In their concerted efforts to unpack the microprocesses that transform repeated exchanges into an exchange relation, exchange theorists have paid little attention to how actors perceive changes and dynamics in exchanges over time. We help fill this gap by studying how temporal patterns of exchange affect the development of cohesion. Some exchange relations develop gradually as actors hedge their bets, making incremental commitments to “test the water” and manage the risks of exchange (incremental exchange). Other relations settle quickly into full commitment as actors take “leaps of faith” in each other (constant exchange). Do these patterns result in different levels of bonding? We examined this question across a series of two laboratory studies and a vignette survey that manipulated two dimensions of repeated exchange: resource level (how much actors exchange in each interaction) and frequency (how often actors exchange). In each study, participants played or imagined a series of social exchange tasks with a fixed partner. Results show that exchanging incrementally in resource level promotes cohesion, but exchanging incrementally in frequency undermines it. These findings affirm the importance of exchange frequency for cohesion, but demonstrate an opposite effect of resource level: compared to exchanging constant and full levels, exchanging incremental levels of resources creates more cohesion, even while resulting in lower instrumental benefits.
Candidates' reactions to assessment centres and their outcomes: A longitudinal study

A longitudinal study was carried out on the effects of attending an assessment centre and of assessment decision on candidates. Questionnaire measures of need for achievement, organizational commitment, job involvement, and psychological well-being were administered immediately before, immediately after and six months after an assessment centre for identifying management potential. Results indicate that the experience of going through an assessment centre does have an impact on candidates, but that some elements of this tend to diminish over time. Assessment decision also had a significant effect, with unsuccessful candidates showing a drop in self-esteem and lower scores on some aspects of need for achievement. However, there were consistent differences between successful and unsuccessful candidates across all stages of the study which were not attributable to the impact of assessment decision. The implications of the findings for assessment centre feedback processes and for research methods in this area are discussed.
Tourism and Religion: A Case Study—Visiting Students in Israeli Universities

The factors motivating students to take part in overseas study programs are instrumental in understanding the phenomenon of visiting students and other participants in educational tours to Israel. In this study, the reasons why American Jewish students come to study in Israel are examined. Multidimensional data analysis reveals four motivational categories: religion, tourism, religion and tourism combined, and other.
Oral tungstate (Na2WO4) exposure reduces adaptive immune responses in mice after challenge

Abstract Tungstate has been identified as a ground water contaminant at military firing ranges and can be absorbed by ingestion. In this study, C57BL6 mice were exposed to sodium tungstate (Na2WO4·2H2O) (0, 2, 62.5, 125, and 200 mg/kg/day) in their drinking water for an initial 28-day screen and in a one-generation (one-gen) model. Twenty-four hours prior to euthanasia, mice were intraperitoneally injected with Staphylococcal enterotoxin B (SEB) (20 μg/mouse) or saline as controls. After euthanasia, splenocytes and blood were collected and stained with lymphocyte and/or myeloid immunophenotyping panels and analyzed by flow cytometry. In the 28-day and one-gen exposure, statistically significant reductions were observed in the quantities of activated cytotoxic T-cells (TCTL; CD3+CD8+CD71+) and helper T-cells (TH; CD3+CD4+CD71+) from spleens of SEB-treated mice. In the 28-day exposures, CD71+ TCTL cells were 12.87 ± 2.05% (SE) in the 0 tungstate (control) group compared to 4.44 ± 1.42% in the 200 mg/kg/day (p < 0.001) group. TH cells were 4.85 ± 1.23% in controls and 2.76 ± 0.51% in the 200 mg/kg/day (p < 0.003) group. In the one-gen exposures, TCTL cells were 7.98 ± 0.49% and 6.33 ± 0.49% for P and F1 mice after 0 mg/kg/day tungstate vs 1.58 ± 0.23% and 2.52 ± 0.25% after 200 mg/kg/day of tungstate (p < 0.001). Similarly, TH cells were reduced to 6.21 ± 0.39% and 7.20 ± 0.76%, respectively, for the 0 mg/kg/day P and F1 mice, and 2.28 ± 0.41% and 2.85 ± 0.53%, respectively, for the 200 mg/kg/day tungstate P and F1 groups (p < 0.001). In delayed-type hypersensitivity Type IV experiments, tungstate exposure prior to primary and secondary antigen challenge significantly reduced footpad swelling at 20 and 200 mg/kg/day. These data indicate that exposure to tungstate can result in immune suppression that may, in turn, reduce host defense against pathogens.
Implicit learning: Sensitive to age but not IQ

Abstract According to Reber (1992), implicit learning should vary only minimally with age and intelligence quotient (IQ), whereas explicit learning should depend heavily on both age and IQ. To evaluate these predictions, children from two age groups (5-7 yean and 10-12 years) were selected to form low, medium, and high IQ subgroups. They were then tested on an implicit and an explicit learning task. The implicit task, adapted from Lewicki (1986), used a number of 4 × 4 matrices which displayed 16 pictures in different arrangements. One picture was of a house, and the children were required to learn the incidental covariation of (a) the experimenter's side of approach (left or right), with the house positioned in the upper or lower half of the matrix; and (b) the colour of the matrix board and cover (red or blue), with the house positioned in the left or right half of die matrix. The explicit task had a similar logical structure to the implicit task, but (a) was implemented using different stimulus dimensi.
Sexual Satisfaction within Dating Relationships: A Test of the Interpersonal Exchange Model of Sexual Satisfaction

This study extended the Interpersonal Exchange Model of Sexual Satisfaction (IEMSS) to short-term dating relationships. The IEMSS has been shown to have excellent validity for long-term heterosexual relationships. The IEMSS proposes that sexual satisfaction is greater to the extent that, over time, relationship satisfaction is high, levels of sexual rewards exceed levels of sexual costs, relative sexual reward levels exceed relative sexual cost levels, and interpersonal equality of sexual rewards and of sexual costs are perceived to exist. Fifty-one college men and 57 college women in a dating relationship of 3 to 36 months participated in the study. As predicted, more sexually satisfied individuals reported greater relationship satisfaction, a more favorable reward/cost ratio, a more favorable relative reward/relative cost ratio, and more equal rewards and costs between partners. Hierarchical regression analysis indicated that relationship satisfaction, the difference between relative rewards, relative costs and cost equality made unique contributions to the prediction of sexual satisfaction, accounting for 75 percent of the variance in sexual satisfaction. The model was shown to work equally well for men and women, for individuals new and less new to their relationship, and for high and low self-disclosers. The IEMSS offers a promising approach for investigating and understanding sexual satisfaction.
Emotions in Team Contact Sports: A Systematic Review

This study systematically reviewed the literature on the emotional processes associated with performance in team contact sports. To consider the entire emotional spectrum, Lazarus’s (1999) cognitive motivational relational theory was used as a guiding framework. An electronic search of the literature identified 48 of 5,079 papers as relevant. Anxiety and anger were found to be the most common emotions studied, potentially due to the combative nature of team contact sports. The influence of group processes on emotional experiences was also prominent. The findings highlight the need to increase awareness of the emotional experience in team contact sports and to develop emotion-specific regulation strategies. Recommendations for future research include exploring other emotions that might emerge from situations related to collisions (e.g., fright) and emotions related to relationships with teammates (e.g., guilt and compassion).
Effects of Flat and Tall Organization Structure.

In a laboratory experiment, tall and flat organization structures were tested for their effects on group performance. Comparisons of performance on the time taken to complete decisions showed no significant difference between tall and flat organization structures. Although it took longer to process decisions through the several levels of a tall structure, groups with flat organization took more time to resolve conflicts and *to coordinate efforts. Tall organization structures were superior on two other measures of performance: profits and rate of return on revenues. Apparently the greater number of levels in the tall structure provided for more frequent evaluation of decisions and better performance on these two variables.
The Influence of Leader Behaviors on Organizational Commitment: A Study in the Australian Public Sector

Abstract Over the past decade the area of organizational commitment has received considerable attention from both researchers and managers. Of particular interest are the links between this and other constructs such as trust, task performance, and turnover. Despite the widespread acknowledgment of the importance and value of organizational commitment, there has been limited research that has specifically addressed the relationship between leader behavior and employee commitment, particularly in the public sector. The present study examines the nature of the relationships between organizational commitment and two dimensions of leader behavior—supportive behaviors and extinction behaviors—in an Australian Federal Government organization. It was found that, while controlling for demographic variables, both extinction and supportive leader behaviors affect organizational commitment. Furthermore, a significant interaction of these two variables was found. This indicates that an increase in supportive leader behaviors together with a decrease in extinction leader behaviors will likely lead to a more than proportionate increase in levels of organizational commitment. Implications for managers and further research directions are discussed.
Can the Spotlight of Attention Be Shaped Like a Doughnut? Evidence From Steady-State Visual Evoked Potentials

Visual attention enables observers to extract and process high-priority information in the visual field. Controversy remains as to whether or not observers can ignore information that falls within the spatial beam of attention. We used an objective physiological measure, the steady-state visual evoked potential (SSVEP), to investigate this question. A stream of flickering small, uppercase letters was embedded in the center of a stream of large, uppercase letters. A unitary beam would result in no difference of the SSVEP amplitude elicited by the small letter stream when it was attended versus ignored (i.e., when subjects attended the large letter stream). Contrary to this prediction, SSVEP amplitude increased by almost 100% when the small letter stream was attended compared with when it was ignored. The results support the notion that the attentional spotlight can be formed like a doughnut, processing central information differentially depending on whether it is attended or ignored.