Search results for "Profil"
showing 10 items of 2040 documents
Multilevel Latent Profile Analysis With Covariates : Identifying Job Characteristics Profiles in Hierarchical Data as an Example
2018
Latent profile analysis (LPA) is a person-centered method commonly used in organizational research to identify homogeneous subpopulations of employees within a heterogeneous population. However, in the case of nested data structures, such as employees nested in work departments, multilevel techniques are needed. Multilevel LPA (MLPA) enables adequate modeling of subpopulations in hierarchical data sets. MLPA enables investigation of variability in the proportions of Level 1 profiles across Level 2 units, and of Level 2 latent classes based on the proportions of Level 1 latent profiles and Level 1 ratings, and the extent to which covariates drawn from the different hierarchical levels of the…
Pacienta pozicionēšana, izgulējumu profilakse operācijas laikā
2018
Bakalaura darba tēma „Pacienta pozicionēšana, izgulējumu profilakse operācijas laikā”. Tēmas aktualitāti nosaka tas, ka katru gadu turpina pieaugt veikto operāciju skaits un ķirurģiskie pacienti ilgstoši atrodoties uz operāciju galda vienā pozā tiek pakļauti izgulējumu attīstības riskam. Būtiska nozīmē ir aprūpē iesaistītā personāla zināšanām par izgulējumu profilaksi un pareizu pozicionēšanas līdzekļu izmantošanu. Darba mērķis ir noskaidrot kāda ir pacientu pozicionēšanas nozīme, izgulējumu profilakse operācijas laikā. Pētniecības uzdevumi: 1. Analizēt literatūru par izgulējumiem, riska faktoriem, pozicionēšanas veidiem, izgulējumu profilaksi un pielietotajiem pozicionēšanas līdzekļiem ope…
Student Engagement and School Burnout in Finnish Lower-Secondary Schools: Latent Profile Analysis
2016
Self-ratings of behavioural engagement, cognitive engagement and school burnout were used in person-centred analyses to identify latent profiles among 2,485 Finnish lower-secondary school students. Three profiles were identified: high-engagement/low-burnout (40.6% of the sample), average-engagement/average-burnout (53.9%), and low-engagement/high-burnout (5.5%). Another sample of lower-secondary school students was used to validate the 3 profiles. The factors most strongly associated with the high-engagement/low-burnout profile of lower-secondary school students’ were high levels of support from teachers and family, good academic performance, and lack of truancy. The study indicated that te…
Longitudinal associations between third‐grade teaching styles and sixth‐grade reading skills : a 3‐year follow‐up study
2022
Background Most previous studies of teaching styles and reading skills have been cross-sectional. Longitudinal research is needed to clarify the direction of effects. The present longitudinal study examined the degree to which differences in teaching styles in the third grade predict the sixth-grade reading performance. The consistency of the findings was addressed by comparing results across students in two countries (Finland and Estonia). Methods A total of 1,057 students (50.9% boys) were followed from the third to sixth grade. Teaching styles of third-grade teachers (N = 70) were examined as predictors of the development of reading (i.e., third-grade to sixth-grade reading fluency and c…
Olika profiler för exekutiva färdigheter bland elever i behov av stöd
2022
Svårigheter med exekutiva färdigheter är relativt vanliga i skolan och påverkar elevers arbetssätt och inlärning negativt. Kunskap om individuella uttryck av exekutiva svårigheter och beteende i skolan ger en bättre utgångspunkt för att planera och genomföra riktade och effektiva stödåtgärder. I den här studien fokuserar vi på hurdana olika profiler det finns gällande de exekutiva svårigheterna bland elever som erbjuds specialpedagogiskt stöd för koncentrationssvårigheter, samt hur dessa är relaterade till beteendeproblem, positivt socialt beteende och akademiska grundfärdigheter. I den här studien deltog 183 elever från två kohorter (medelålder = 9,57 år; modersmål svenska = 62,8 %, finska…
Profiiliksi profiilittomuus
2017
Influence of aryl hydrocarbon- (Ah) receptor and genotoxins on DNA repair gene expression and cell survival of mouse hepatoma cells
2009
The aryl hydrocarbon receptor (AhR) mediates toxicity of a variety of environmental pollutants such as polycyclic aromatic hydrocarbons (PAHs) and dioxins. However, the underlying mechanisms and genetic programmes regulated by AhR to cause adverse effects but also to counteract poisoning are still poorly understood. Here we analysed the effects of two AhR ligands, benzo[a]pyrene (B[a]P), a DNA damaging tumour initiator and promotor and 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), a pure tumour promoter, on cell survival and on nucleotide excision repair (NER) gene expression. NER deals with so called "bulky" DNA adducts including those generated by enzymatically activated B[a]P. Therefore, t…
Heterogeneity within and between primary colorectal carcinomas and matched metastases as revealed by analysis of Ki-ras and p53 mutations
2004
Analysis of the genetic status of Ki-ras and p53 in primary colorectal carcinomas and matched colorectal liver metastasis from 30 patients reveals an overall heterogeneity both within and between the two tumoral tissues. Both genes were found mutated with a similar frequency in both tissues; however, identical mutations in primary tumor and matched metastasis were found less frequently in the case of the Ki-ras than the p53 gene. Only in three cases the same p53 and Ki-ras mutations found in the primary tumor were found also in the metastasis. In several metastatic specimens the DNA bearing a mutation detected also in the primary tumor appears significantly less abundant than the wild-type …
An anthropological and paleopathological analysis of a peculiar skeleton from the Necropolis of Zancle (1st century BCE – 1st century CE): a case rep…
2022
The work presents the results of the anthropological and paleopathological analysis carried out on human skeletal remains of an individual (T-173) found in a burial from the necropolis “sector 96”, Messina, Sicily, dating back to the Roman Empire (1st century BCE – 1st century CE). The study aimed to acquire the information necessary for the reconstruction of the biological profi le. In fact, T173 is an adult male which is particularly interesting from a paleopathological point of view, showing skeletal anomalies from the cranial to the post-cranial skeleton probably caused by variations of genetic, neoplastic, articular and dental nature. Furthermore, the analyses have highlighted the poss…
Metiljasmonāta ietekme uz Pinus sylvestris L. gēnu ekspresijas profilu
2016
Šajā pētījumā noskaidrojām metiljasmonāta ietekmi uz parastās priedes gēnu ekspresijas profilu ar mērķi pārbaudīt tā potenciālu inducētas rezistences veidošanā. Divgadīgus viena klona parastās priedes stādus apstrādājām ar 10 mM metiljasmonāta un pēc divām nedēļām ievācām skuju paraugus. No iegūtajiem paraugiem izdalījām RNS un veicām nāk paaudzes sekvencēšanu ar Ion Torrent PGM platformu, kā arī RT-PCR ekspresijas pārbaudi atsevišķiem gēniem. Sekvencēšanā iegūtos datus analizējām ar RNA-Seq iegūstot paraugos ekspresēto gēnu profilu. Šos rezultātus apkopojām, veidojot gēnu tīklu un iegūstot funkcionalitātes anotācijas. Noskaidrojām, ka apstrāde novirza metabolisma orientāciju no augšanas un…