نتایج جستجو برای: mann whitney and kruskal
تعداد نتایج: 16830864 فیلتر نتایج به سال:
The aim of this study was to investigate gaps between knowledge on HIV/AIDS and sexual behavior among teenagers. The study used a cross-sectional design with a representative random sample of 1,158 teenagers (14 to 19 years of age) enrolled in nine public secondary schools and who answered validated questionnaires. Data analysis included descriptive statistics and tests of hypotheses (chi-squar...
The goal of this study was to determine school counselors’ opinions concerning the use of information and communication technology (ICT) in school counseling practices. The participants were 61 school counselors (54 female, 7 male) who worked in middle (17), high (23), middle/high (19), and primary (2) schools. The mean age was 33.4 years. The Internet Usage Questionnaire was used to collect pa...
Children with the developmental coordination disorder have difficulties in performing several movement tasks. The present study examined the role of the developmental coordination disorder in children’s physical fitness in the context of Greek primary education. One hundred fifty-four pupils participated in the study. The Movement Assessment Battery for Children was used to assess their motor c...
OBJECTIVE To determine whether the Evaluation of Social Interaction (ESI) is sensitive enough to differentiate between people without identified diagnoses and those with neurologic or psychiatric disorders in terms of their observed quality of social interaction. METHOD Participants were age 16-69 and were without identified diagnoses (n = 304) or had neurologic (n = 77) or psychiatric (n = 1...
OBJECTIVE This study aimed to investigate the expression of the MSH2 DNA repair protein in head and neck squamous cell carcinoma (HNSCC) in order to analyze its association with clinicopathologic factors and overall survival of patients. MATERIAL AND METHODS Clinical data and primary lesions of HNSSC were collected from 55 patients who underwent surgical resection with postoperative radiother...
Optimism, socioeconomic, leadership, transformationaltransactional, small enterprises. The role of optimism and socioeconomic characteristics of managers on leadership practices in small enterprises, in Bogotá, Colombia, was determined. Ninety managers completed the Leadership Practices Inventory and The Revised Life Orientation Test, as well as they provided information about personal and busi...
AIM The aim of this ex vivo study was to compare the antibacterial activity of total-etch and self-etch adhesive systems against Streptococcus mutans, Lactobacillus acidophilus, and Actinomyces viscosus through disk diffusion method. MATERIALS AND METHODS The antibacterial effects of Single Bond (SB) and Adper Prompt (AP) and aqueous solution of chlorhexidine 0.2% (positive control) were test...
OBJECTIVE To evaluate the effects of perinatal asphyxia on the level of the response to transient otoacoustic emissions in infants. METHODS Otoacoustic emissions in 154 neonates were performed: 54 infants who suffered asphyxia at birth, measured by Apgar score and medical diagnosis, and 100 infants without risk were compared. Scores less than 4 in the first minute and/or less than 6 in the fi...
Methods Double blind, parallel group clinical trial with control group (CG), randomized by cluster. Performed at 21 primary health care centers, during 2009-2010, with 214 health professionals. Hand hygiene compliance level was evaluated at the moment basal and six months after the intervention, by a single external observer. Professionals ignored in which activity they were being observed, pre...
PURPOSE To assess the role of preserved bovine parietal peritoneum as a material for hernia repair in a rat ventral hernia model. METHODS An abdominal wall defect (15mm x 25mm) was created in Wistar male rats (n=40). Control animals (n=20) had the polypropylene (PP) mesh sutured into the defect, whereas bovine preserved peritoneum (BPP) was used in experimental group (n=20). After 7 and 28 da...
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