390 research outputs found
An investigation of empathy in adults as a function of variables in three clusterings: Dispositional, situational, and biophilial.
To determine which variables (Dispositional, Situational, Biophilial) best predict levels of empathy, 448 (M = 144, F = 304) teacher candidates were examined with respect to the Questionnaire Measure of Emotional Empathy (QMEE) (Mehrabian and Epstein, 1972). Variables were assigned to clusters that have been linked, either logically or empirically, to empathy, and are potentially important predictors. Dispositional variables (anti- and prosocial behaviour, and personality measures) are reportedly linked to the empathic development of children and young adults, as are Situational variables (parental behaviour during childhood, age, and gender). Biophilial variables related to pets (e.g., history with pets, pet ownership, pet attitudes, and pet preference) are also logically linked to empathy and provide a theoretical framework for situating the determinants of empathy. Multiple regression analyses showed that certain personality traits (SONSO Personality Inventory, Kentle, 1994), physical aggression (The Aggression Questionnaire, Buss & Perry, 1992), certain demographics (e.g., sex, age, parents\u27 marital status, etc.), and pet-related aspects of biophilia (Pet Attitude Scale, Templer, Salter, Dickey, Baldwin, & Veleber, 1981; Pet Preference Inventory, Daly & Morton, 2003) were predictors of empathy. Psychological influences, particularly sympathy, were quite strong, as was the demographic variable of Sex, indicating higher empathy in females. Paper copy at Leddy Library: Theses & Major Papers - Basement, West Bldg. / Call Number: Thesis2004 .D35. Source: Dissertation Abstracts International, Volume: 66-02, Section: B, page: 1217. Adviser: Larry Morton. Thesis (Ph.D.)--University of Windsor (Canada), 2004
Mentors as instructional coaches for new teachers: lessons learnt from the early career framework in England
Purpose:
The paper provides analysis of the use of instructional coaching (IC) as a prevalent trend supporting new teachers in the English system and aims to inform ongoing policy development and implementation. The qualitative study examines mentors' conceptualisations and enactment of the role of instructional coach and the readiness of mentors to assume mentors' key stakeholder roles in the professional education of early career teachers (ECTs).
Design/methodology/approach:
Semi-structured interviews with 37 mentors explored mentors' understandings and experiences of becoming instructional coaches as part of a pilot support initiative to support ECTs in England. Two rounds of interviews were conducted to generate data related to the first six months of mentoring on the programmes. Thematic analysis identified seven semantic themes which describe manifest content found within the data and identify mentors' perceptions of their role and practice as instructional coaches. Three latent themes were developed from mentors' accounts which indicate challenges in becoming an instructional coach in this context.
Findings:
Concern to apply IC “correctly” according to the programme models was a strong feature amongst both novice and experienced mentors. A key finding is the lack of explicit knowledge of professional learning pedagogies amongst mentors and insecure understanding of how new teachers learn. Assuming the role of instructional coach presented both benefits of having a “model” to follow and disadvantages in fostering limited and over-prescribed concepts and practices related to the learning of new teachers.
Research limitations/implications:
The study investigated mentors during the first six months of a pilot programme and the paper reports on analysis of one type of data. The research results may lack generalisability, and a longitudinal study is necessary to further explore the validity of the findings.
Practical implications:
Sustained, high-quality professional learning for mentors is crucial to mentors' role as instructional coaches to enable mentors to develop deep, critical understanding of how IC might support new teachers and how to exercise professional judgement in working with “models”. Judicious use of time and resource is needed to enable mentors to fulfil the potential of national mentoring programmes.
Originality/value:
The study is timely in its examination of mentors that assume the role of instructional coach as one response to national policy development that makes support for ECTs mandatory. Such strategies have wide international relevance where the retention of new teachers is a policy priority
Associations of common breast cancer susceptibility alleles with risk of breast cancer subtypes in BRCA1 and BRCA2 mutation carriers
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Rapid progression of prostate cancer in men with a BRCA2 mutation.
Men with BRCA2 mutations have been found to be at increased risk of developing prostate cancer. There is a recent report that BRCA2 carriers with prostate cancer have poorer survival than noncarrier prostate cancer patients. In this study, we compared survival of men with a BRCA2 mutation and prostate cancer with that of men with a BRCA1 mutation and prostate cancer. We obtained the age at diagnosis, age at death or current age from 182 men with prostate cancer from families with a BRCA2 mutation and from 119 men with prostate cancer from families with a BRCA1 mutation. The median survival from diagnosis was 4.0 years for men with a BRCA2 mutation vs 8.0 years for men with a BRCA1 mutation, and the difference was highly significant (P<0.01). It may be important to develop targeted chemotherapies to treat prostate cancer in men with a BRCA2 mutation
FilmArray, an Automated Nested Multiplex PCR System for Multi-Pathogen Detection: Development and Application to Respiratory Tract Infection
The ideal clinical diagnostic system should deliver rapid, sensitive, specific and reproducible results while minimizing the requirements for specialized laboratory facilities and skilled technicians. We describe an integrated diagnostic platform, the “FilmArray”, which fully automates the detection and identification of multiple organisms from a single sample in about one hour. An unprocessed biologic/clinical sample is subjected to nucleic acid purification, reverse transcription, a high-order nested multiplex polymerase chain reaction and amplicon melt curve analysis. Biochemical reactions are enclosed in a disposable pouch, minimizing the PCR contamination risk. FilmArray has the potential to detect greater than 100 different nucleic acid targets at one time. These features make the system well-suited for molecular detection of infectious agents. Validation of the FilmArray technology was achieved through development of a panel of assays capable of identifying 21 common viral and bacterial respiratory pathogens. Initial testing of the system using both cultured organisms and clinical nasal aspirates obtained from children demonstrated an analytical and clinical sensitivity and specificity comparable to existing diagnostic platforms. We demonstrate that automated identification of pathogens from their corresponding target amplicon(s) can be accomplished by analysis of the DNA melting curve of the amplicon
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Breast cancer family history and allele-specific DNA methylation in the Legacy Girls Study
Family history, a well-established risk factor for breast cancer, can have both genetic and environmental contributions. Shared environment in families as well as epigenetic changes that also may be influenced by shared genetics and environment may also explain familial clustering of cancers. Epigenetic regulation, such as DNA methylation, can change the activity of a DNA segment without a change in the sequence; environmental exposures experienced across the life course can induce such changes. However, genetic-epigenetic interactions, detected as methylation quantitative trait loci (mQTLs; a.k.a. meQTLs) and haplotype-dependent allele-specific methylation (hap-ASM), can also contribute to inter-individual differences in DNA methylation patterns. To identify differentially methylated regions (DMRs) associated with breast cancer susceptibility, we examined differences in white blood cell DNA methylation in 29 candidate genes in 426 girls (ages 6-13 years) from the LEGACY Girls Study, 239 with and 187 without a breast cancer family history (BCFH). We measured methylation by targeted massively parallel bisulfite sequencing (bis-seq) and observed BCFH DMRs in two genes: ESR1 (Δ4.9%, P = 0.003) and SEC16B (Δ3.6%, P = 0.026), each of which has been previously implicated in breast cancer susceptibility and pubertal development. These DMRs showed high inter-individual variability in methylation, suggesting the presence of mQTLs/hap-ASM. Using single nucleotide polymorphisms data in the bis-seq amplicon, we found strong hap-ASM in SEC16B (with allele specific-differences ranging from 42% to 74%). These findings suggest that differential methylation in genes relevant to breast cancer susceptibility may be present early in life, and that inherited genetic factors underlie some of these epigenetic differences
Questioning the rise of gelatinous zooplankton in the World's oceans
During the past several decades, high numbers of gelatinous zooplankton species have been reported in many estuarine and coastal ecosystems. Coupled with media-driven public perception, a paradigm has evolved in which the global ocean ecosystems are thought to be heading toward being dominated by “nuisance” jellyfish. We question this current paradigm by presenting a broad overview of gelatinous zooplankton in a historicalcontext to develop the hypothesis that population changes reflect the human-mediated alteration of global ocean ecosystems. To this end, we synthesize information related to the evolutionary context of contemporary gelatinous zooplankton blooms, the human frame of reference forchanges in gelatinous zooplankton populations, and whether sufficient data are available to have established the paradigm. We conclude that the current paradigm in which it is believed that there has been a global increase in gelatinous zooplankton is unsubstantiated, and we develop a strategy for addressing the critical questions about long-term, human-related changes in the sea as they relate to gelatinous zooplankton blooms
Breast cancer risk prediction using a polygenic risk score in the familial setting: a prospective study from the Breast Cancer Family Registry and kConFab.
PURPOSE: This study examined the utility of sets of single-nucleotide polymorphisms (SNPs) in familial but non-BRCA-associated breast cancer (BC). METHODS: We derived a polygenic risk score (PRS) based on 24 known BC risk SNPs for 4,365 women from the Breast Cancer Family Registry and Kathleen Cuningham Consortium Foundation for Research into Familial Breast Cancer familial BC cohorts. We compared scores for women based on cancer status at baseline; 2,599 women unaffected at enrollment were followed-up for an average of 7.4 years. Cox proportional hazards regression was used to analyze the association of PRS with BC risk. The BOADICEA risk prediction algorithm was used to measure risk based on family history alone. RESULTS: The mean PRS at baseline was 2.25 (SD, 0.35) for affected women and was 2.17 (SD, 0.35) for unaffected women from combined cohorts (P < 10-6). During follow-up, 205 BC cases occurred. The hazard ratios for continuous PRS (per SD) and upper versus lower quintiles were 1.38 (95% confidence interval: 1.22-1.56) and 3.18 (95% confidence interval: 1.84-5.23) respectively. Based on their PRS-based predicted risk, management for up to 23% of women could be altered. CONCLUSION: Including BC-associated SNPs in risk assessment can provide more accurate risk prediction than family history alone and can influence recommendations for cancer screening and prevention modalities for high-risk women.Genet Med 19 1, 30-35.National Institutes of HealthThis is the author accepted manuscript. The final version is available from Nature Publishing Group via http://dx.doi.org/10.1038/gim.2016.4
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