Background: The assessment of bullying requires an analysis both of the main profiles involved in this phenomenon and of the social context in which it occurs. By considering both aspects, this study develops a scale that, in addition to individual information, incorporates a representation of the group structure of the classroom.
Method: A large sample composed of 11,561 students (mean age = 11.12 years, girls = 49.2%) from 108 schools completed the Sociescuela Scale by peer reports. An analysis of the internal structure and reliability of the scale was performed, as well as of the students' social networks.
Results: Factor analysis yielded five factors: Victimization, Acceptance, Prosociality, Withdrawal, and Aggressiveness. Boys showed more victimization and aggressiveness than girls. The results obtained enable us to: (a) evaluate a series of individual profiles associated with involvement in bullying and their sociometric status, and (b) position them on a social map of each classroom.
Conclusions: The data suggested that the scale is reliable and valid for use in the detection of bullying and its applied nature facilitates the design of school interventions.
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http://dx.doi.org/10.7334/psicothema2014.85 | DOI Listing |
J Vet Diagn Invest
January 2025
Åkerblå, Sistranda, Norway.
Compromised gill health is a critical cause of forfeited welfare in Atlantic salmon farming. Detecting and quantifying the early onset of gill disease is important to reveal initial inflicting stimuli. We collected gill samples of 45 Atlantic salmon from 2 commercial recirculating aquaculture systems (RASs) spanning fry-to-market-size fish with no clinical signs of gill disease.
View Article and Find Full Text PDFBMC Psychol
January 2025
School of Mental Health and Psychological Sciences, Anhui Medical University, Hefei, China.
Background: Major decision-making self-efficacy (MDMSE) is an important indicator of students' ability to make effective decisions in specialty selection. It has implications for students' personal growth and career counselling interventions. While the previous MDMSES has been widely used in the context of China's New College Entrance Examination reform, the increased choice of majors and advancement of career planning necessitate a new scale to assess high school students' MDMSE levels.
View Article and Find Full Text PDFEnviron Microbiome
January 2025
School of Natural Sciences, Bangor University, Bangor, UK.
Background: Acquiring representative bacterial 16S rRNA gene community profiles in plant microbiome studies can be challenging due to the excessive co-amplification of host chloroplast and mitochondrial rRNA gene sequences that reduce counts of plant-associated bacterial sequences. Peptide Nucleic Acid (PNA) clamps prevent this by blocking PCR primer binding or binding within the amplified region of non-target DNA to stop the function of DNA polymerase. Here, we applied a universal chloroplast (p)PNA clamp and a newly designed mitochondria (m)PNA clamp to minimise host chloroplast and mitochondria amplification in 16S rRNA gene amplicon profiles of leaf, bark and root tissue of two oak species (Quercus robur and Q.
View Article and Find Full Text PDFBMC Oral Health
January 2025
Department of Endodontics, Shaanxi Provincial People's Hospital, Xi'an, China.
Background: This study aims to investigate the prevalence and morphology of middle mesial canal (MMC) in mandibular first molar (M1M) among a Northwestern Chinese population, and to analyze their relationship with anatomical aspects of the mesial root.
Methods: Cone beam computed tomography (CBCT) was utilized to evaluate 898 M1Ms and assess the incidence and morphology of MMC. The following parameters for M1M with or without MMC were obtained: the vertical distance between the first appearance of MMC and canal orifices (D), the distance between mesiobuccal (MB) and mesiolingual (ML) canals (D1), the buccolingual width(L1) and mesiodistal width (L2) of mesial roots, and the flatness degree(L1/L2) of mesial roots.
BMC Pulm Med
January 2025
State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease & National Center for Respiratory Medicine & Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, China.
Background: Studies on consistency among spirometry, impulse oscillometry (IOS), and histology for detecting small airway dysfunction (SAD) remain scarce. Considering invasiveness of lung histopathology, we aimed to compare spirometry and IOS with chest computed tomography (CT) for SAD detection, and evaluate clinical characteristics of subjects with SAD assessed by these three techniques.
Methods: We collected baseline data from the Early COPD (ECOPD) study.
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