Search results for "Experimental"
showing 10 items of 18236 documents
CCDC 1942682: Experimental Crystal Structure Determination
2019
Related Article: Xiting Yuan, Cunfa Sun, Xihua Li, Sami Malola, Boon K. Teo, Hannu Häkkinen, Lan-Sun Zheng, Nanfeng Zheng|2019|J.Am.Chem.Soc.|141|11905|doi:10.1021/jacs.9b03009
Psychological and behavioural factors of unintentional doping: A preliminary systematic review
2018
In some cases, doping in sport is an intentional goal-directed behaviour, but research suggests that it might also occur accidentally when athletes inadvertently or unintentionally consume banned performance-enhancing drugs via food, supplements, or medication. Because research into the psychological factors of unintentional doping is still emerging, this paper aims to conduct a preliminary systematic review of all the existing literature concerning the psychology of unintentional doping in sport. The systematic review was carried out via an extensive search of Medline, PsycINFO, PsycTESTS, PsycARTICLES, and Web of Science, and reports from World Anti-Doping Agency. Among the 2110 articles …
On the Visual Distraction Effects of Audio-Visual Route Guidance
2016
This is the first controlled quantitative analysis on the visual distraction effects of audio-visual route guidance in simulated, but ecologically realistic driving scenarios with dynamic maneuvers and self-controlled speed (N = 24). The audio-visual route guidance system under testing passed the set verification criteria, which was based on drivers’ preferred occlusion distances on the test routes. There were no significant effects of an upcoming maneuver instruction location (up, down) on the in-car display on any metric or on the experienced workload. The drivers’ median occlusion distances correlated significantly with median incar glance distances. There was no correlation between driv…
The Positivity Scale: Concurrent and Factorial Validity Across Late Childhood and Early Adolescence
2019
Despite the well-established protective functions of positivity (i.e., a dispositional selfevaluative tendency to view oneself, life, and future under a positive outlook) from middle adolescence to old age, its reliable assessment and contribution to a proper psychological functioning have received little attention during previous developmental phases. In this article, we aimed to evaluate the psychometric properties and construct validity of the eight-item Positivity Scale (P Scale; Caprara et al., 2012) during late childhood and early adolescence in a sample of British students (N = 742; 48% boys) from both primary (M age = 10.75, SD = 0.52) and secondary schools (M age = 13.38 years, SD …
Dysfunction of the mesolimbic circuit to food odors in women with anorexia and bulimia nervosa: A fMRI study
2019
Brain reward dysfunction in eating disorders has been widely reported. However, whether the neural correlates of hedonic and motivational experiences related to food cues are differentially affected in anorexia nervosa of restrictive type (ANr), bulimia nervosa (BN), and healthy control (HC) participants remains unknown. Here, 39 women (14 ANr, 13 BN, and 12 HC) underwent fMRI while smelling food or non-food odors in hunger and satiety states during liking and wanting tasks. ANr and BN patients reported less desire to eat odor-cued food and odor-cued high energy-density food (EDF), respectively. ANr patients exhibited lower ventral tegmental area (VTA) activation than BN patients to food od…
Exploring the Life Form of a Student Athlete Afforded by a Dual Career Development Environment in Finland
2020
The current paper introduces a case study conducted in one of the most well-established athletic talent development environments in Finland, with the focus on the environment’s ecological dynamics and organizational culture, in light of its recent effort to rebrand itself as a dual career development environment. Our analysis has been inspired by the holistic ecological approach and ecological dynamics, wherein the authors have considered a dual career development environment from the point of view of its transactions with agentic individuals and affordances for student athletes in the study domain, the sports domain, and the private domain. The authors believe our findings can provide othe…
Cognitive reserve and cognitive performance of patients with focal frontal lesions
2017
The Cognitive reserve (CR) hypothesis was put forward to account for the variability in cognitive performance of patients with similar degrees of brain pathology. Compensatory neural activity within the frontal lobes has often been associated with CR. For the first time we investigated the independent effects of two CR proxies, education and NART IQ, on measures of executive function, fluid intelligence, speed of information processing, verbal short term memory (vSTM), naming, and perception in a sample of 86 patients with focal, unilateral frontal lesions and 142 healthy controls. We fitted multiple linear regression models for each of the cognitive measures and found that only NART IQ pre…
Progress in Using an Electronic Playing Environment. A Comparative Study between Cantors and Primary Teacher Students Specialising in Music
2012
Abstract This research was executed as self-study research in a music technology learning environment designed for teacher education. It explored the functionality of music technology teaching from the viewpoints of technical, physical, and social learning environments. Moreover, connecting music theory teaching to a notation programme was studied. The target group consisted of primary teacher students, and the control group were parish cantors. The participants kept a study log and answered questions related to the teaching and subject content. These data were analysed with qualitative analysis. Group differences were examined with Mann-Whitney's U-test. Both the beginners and experts had …
Finnish students’ enjoyment and anxiety levels during fitness testing classes
2020
Background: Fitness testing is a commonly applied learning and teaching practice implemented in both secondary and elementary school physical education (PE). Many teachers believe that by using a variety of different tests, they are able to provide students with feedback regarding their fitness status, and furthermore, increase students’ willingness to be physically active later in their lives. However, empirical evidence concerning students’ affective responses during fitness testing classes is limited. Purpose: The primary aim of the study was to investigate whether students’ perceptions of enjoyment and anxiety differed between two different types of fitness testing classes and PE in gen…
National survey of reading comprehension in Finland
2001
As a part of an extensive project for the evaluation of the Finnish comprehensive school, a recently developed reading comprehension measure; a hierarchy-rating test, and a more conventional multiple-choice task were used to assess reading comprehension skills in population-based samples of 2,891 sixth-graders (12‐13 years old) and 1,953 (15‐16 years old) ninth-graders. The hierarchy-rating task was constructed within the theoretical framework proposed by W. Kintsch and van Dijk (1978). It was designed to examine the cognitively high-level text processing, or macroprocessing, of expository passages. The multiple-choice task and the hierarchy-rating task showed only a moderate intercorrelati…