"Optimal cutpoints" for binary classification tasks are often established by testing which cutpoint yields the best discrimination, example Youden index, in a specific sample. This results "optimal" cutpoints that highly variable and systematically overestimate out-of-sample performance. To address these concerns, cutpointr package offers robust methods estimating optimal The include bootstrapping smoothing based on kernel estimation, generalized additive models, splines, local regression....

Multiple-group confirmatory factor analysis (MG-CFA) is among the most productive extensions of.structural equation modeling. Many researchers conducting cross-cultural or longitudinal studies are interested in testing for measurement and structural invariance. The aim of present paper to provide a tutorial MG-CFA using freely available R-packages lavaan, semTools, semPlot. combination these packages enable highly efficient models both normally distributed as well ordinal data. Data from two...

Students conceive of assessment in at least four major ways (i.e., makes students accountable; is irrelevant because it bad or unfair; improves the quality learning; and enjoyable). A study New Zealand 3469 secondary school students' conceptions used a self‐report inventory scores from standardised curriculum‐based reading comprehension. Four inter‐correlated based on 11 items were found with good psychometric properties. path‐model linking correlated student achievement reading, while...

The present study evaluates a brief, cross-cultural scale that maps wide range of social resources, useful in large-scale assessments perceived support. Brief Perceived Social Support Questionnaire (Fragebogen zur Sozialen Unterstützung Kurzform mit sechs Items, F-SozU K-6) was examined representative and university student samples from the United States (Nrepresentative = 3038), Germany 2007, Nstudent 5406), Russia 3020, 4001), China (Nstudent 13,582). Cross-cultural measurement invariance...

Research into positive aspects of the psyche is growing as psychologists learn more about protective role processes in development and course mental disorders, their substantial promoting health. With increasing globalization, there strong interest studies examining constructs across cultures. To obtain valid cross-cultural comparisons, measurement invariance for scales assessing has to be established. The current study aims assess questionnaires 6 constructs: Social Support (Fydrich,...

Defining cut points for mild, moderate, and severe pain intensity on the basis of differences in functional interference has an intuitive appeal. The statistical procedure to derive them proposed 1995 by Serlin et al. been widely used. Contrasting between populations have interpreted as meaningful different chronic populations. We explore variability associated with optimally defined a large sample patients homogeneous subsamples. Ratings maximal (0-10 numeric rating scale, NRS) pain-related...

Summary Estimating the variability of optimal cut points for mild, moderate, and severe pain reveals that same set VAS can be used adolescents’ pain-intensity ratings as parental their children’s pain. Cut classify intensity into levels are widely in research clinical practice. At present, there no agreed-upon visual analog scale (VAS) pediatric samples. We applied a method based on Serlin colleagues’ procedure (Serlin RC, Mendoza TR, Nakamura Y, Edwards KR, Cleeland CS. When is cancer...

Sensory diabetic neuropathy, determined by nerve conduction studies, is common in children with Type 1 diabetes. Diabetic neuropathy diagnoses are rarely made paediatric daily care because they asymptomatic, vibration detection mostly normal and nerve-conduction testing impractical. The present study aims to: (1) describe somatosensory dysfunction diabetes, (2) test whether diabetes duration HbA(1c) related to (3) identify the best screening for large-fibre dysfunction, as indicated...

There are controversial discussions regarding developmental- and sex-related differences in somatosensory perception, which were found, eg, when comparing younger children (6-8 years), older (9-12 adolescents (13-16 years) using quantitative sensory testing (QST). The aim of our current study was to systematically assess the impact age sex QST protocol German Research Network on Neuropathic Pain (DFNS). QST, including thermal mechanical detection pain thresholds, assessed 86 healthy...

Objective To investigate the long-term effectiveness of a 3-week multimodal inpatient program for children and adolescents with chronic pain. Methods 167 were evaluated at pretreatment baseline, 3-, 12-month follow-up. Long-term was investigated pain-related variables (pain-related disability, school absence, pain intensity) emotional distress. Results We found statistically clinically significant changes in all variables. After 1 year, majority (56%) showed overall improvement as indexed by...

The chronic pain grading (CPG), a standard approach to classify the severity of conditions in adults, combines characteristics intensity and pain-related disability. However, children adolescents, CPG has only been validated school sample, but not actual target population, i.e., clinical populations with pain.In present study, we applied tertiary sample adolescents (n=1242). Construct validity, sensitivity change prognostic utility were examined.Results indicate that most equally classified...

Abstract Objectives The objective was to determine the minimum and ideal clinically significant differences ( MCSD , ICSD ) in pain intensity children for Faces Pain Scale–Revised FPS ‐R) Color Analog Scale CAS identify any these estimates based on patient characteristics. Methods This a prospective study of aged 4 17 years with acute presenting two urban pediatric emergency departments. Participants self‐reported their using −R qualitatively described changes pain. Changes score reported ‐R...

Suicide is a major cause of death in adulthood and specifically patients suffering from mental illnesses. The Depressive Symptom Inventory Suicidality Subscale (DSI‐SS) widely used to detect prevent suicidal ideation. aim the present study was determine optimal cut points for DSI‐SS different populations. We analysed data one population‐based sample ( n = 532), outpatient 180) inpatient 244). Internal consistency, convergent validity according receiver operating characteristics were...

Objectives The aims of this study were to define the Faces Pain Scale–Revised (FPS-R) and Color Analog Scale (CAS) scores associated with no pain, mild moderate severe pain in children acute identify differences based on age, sex, ethnicity. Methods We conducted a prospective observational 2 pediatric emergency departments aged 4 17 years painful nonpainful conditions. assessed their intensity using FPS-R, CAS, qualitative measures. score cut points that best differentiated adjacent...

Content is of primary importance in the World Wide Web. In particular, subjective perceptions content are known to influence a variety user evaluations, thereby altering attitudes and behavioral outcomes. Thus, it essential that individually experienced facets can be adequately assessed. series seven studies, we create, validate, benchmark measure for users' view on web content. first six total 3106 participants evaluated sum 60 websites. The resulting Web-CLIC questionnaire 12-item based...

Abstract In this study, we describe the development and validation of a revised Pediatric Chronic Pain Grading (P-CPG) for children aged 8 to 17 years that adds emotional impairment previously used measures pain intensity functional impairment. Such measure enables assessment chronic severity in different epidemiological clinical populations, stratification treatment according severity, monitoring outcome. The P-CPG was developed using representative sample school with (n = 454; M age 12.95,...

This study investigates how aesthetic website evaluations, especially those formed after very brief presentations, depend on visual information that is encoded in low- or high-spatial frequencies. A total of 92 participants took part the experiment. The used a 3 × mixed design which presentation time (50, 500 and 10000 ms) spatial filtering (low-pass filtered, high-pass filtered unfiltered stimuli) were manipulated. First, we replicate prior results from online studies high- low-spatial...

Abstract This review aimed to synthesize the current evidence on effectiveness of invasive treatments for complex regional pain syndrome in children and adolescents. Studies adolescents with that evaluated effects treatment were identified PubMed (search March 2013). Thirty-six studies met inclusion criteria. Articles reported a total 173 syndrome. Generally, many lack methodological quality. The applied most often singular sympathetic blocks, followed by epidural catheters continuous...

There is little knowledge regarding the association between psychological factors and complex regional pain syndrome (CRPS) in children. Specifically, it not known which precipitate CRPS result from ongoing painful disease.To examine symptoms of depression anxiety as well experience stressful life events children with compared chronic primary headaches functional abdominal pain.A retrospective chart study examined (n=37) who received intensive inpatient treatment 2004 2010. They were two...