confirmatory factor analysis
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Cognitive flexibility (CF) is the ability to adapt cognitive strategies according to the changing environment. The deficit in CF has often been linked to various neurological and psychiatric disorders including schizophrenia. However, the operationalization and assessment of CF have not been unified and the current research suggests that the available instruments measure different aspects of CF. The main objective of the present study was to compare three frequently used neuropsychological measures of CF-Wisconsin Card Sorting Test (WCST), Trail Making Test (TMT) and Stroop Color and Word Test (SCWT) in a population of patients (N = 220) with first-episode schizophrenia spectrum disorders in order to evaluate their convergent validity. The hypothesis of an underlying latent construct was tested via a confirmatory factor analysis. We used a one-factor CF model with scores from WCST, SCWT and TMT as observed variables. The established model showed a good fit to the data (χ2 = 1.67, p = 0.43, SRMR = 0.02, RMSEA = 0.0, CFI = 1.00). The highest factor loading was found in WCST as CF explained most of the variance in this neuropsychological measure compared to the other instruments. On the other hand, a TMT ratio index and a SCWT interference demonstrated lowest loadings in the model. The findings suggest that not all the frequently used measures share an underlying factor of CF or may capture different aspects of this construct.
- MeSH
- dospělí MeSH
- exekutivní funkce * fyziologie MeSH
- faktorová analýza statistická MeSH
- kognitivní dysfunkce * etiologie diagnóza patofyziologie MeSH
- kognitivní flexibilita MeSH
- lidé středního věku MeSH
- lidé MeSH
- mladiství MeSH
- mladý dospělý MeSH
- neuropsychologické testy * normy MeSH
- psychometrie MeSH
- schizofrenie (psychologie) * MeSH
- schizofrenie * komplikace patofyziologie MeSH
- Check Tag
- dospělí MeSH
- lidé středního věku MeSH
- lidé MeSH
- mladiství MeSH
- mladý dospělý MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- MeSH
- dospělí MeSH
- faktorová analýza statistická MeSH
- lidé MeSH
- mladiství MeSH
- neurotické poruchy MeSH
- osobnostní dotazník MeSH
- psychometrie metody MeSH
- psychotické poruchy MeSH
- studenti MeSH
- Check Tag
- dospělí MeSH
- lidé MeSH
- mladiství MeSH
- Publikační typ
- přehledy MeSH
- srovnávací studie MeSH
Existuje veľa nástrojov, ktoré deklarujú meranie kvality života. Značná časť z nich je však bez adekvátnej teórie meraného konštruktu, pričom prevažujú nástroje zamerané na so zdravím súvisiacu kvalitu života. Prezentovaná štúdia informuje o teoretickom modeli piatich oblastí kvality života, ktoré majú dvojakú štruktúru – interné oblasti a externé oblasti. Tri oblasti internej povahy – emocionálna, fyzická a kognitívna a dve oblasti externej povahy – sociálna a environmentálna predstavovali teoretické východisko pre konštrukciu dotazníka Subjektívne hodnotenie kvality života (SHKŽ). Konfirmatórna faktorová analýza podporuje hypotézu, že konštruktová validita dotazníka SHKŽ je adekvátna: RMSEA = 0.069, SRMR = 0.071, CFI = 0.95 and NNFI/TLI = 0.95. Po overení ďalších aspektov validity môže byť dotazník jedným z alternatívnych nástrojov generickej povahy, ktorý je vhodný pre širokú populáciu osôb vo veku od 15 do 70 rokov.
There are many tools, which are claimed to measure quality of life. A considerable number of them are without an adequate theory of the measured construct; tools that are focused on health-related quality of life prevail. The present study reports on the test of a theoretical model of five domains of quality of life which have dual structure, i.e. internal domains and external domains. Three domains of internal nature, emotional, physical and cognitive, and two domains of external nature, social and environmental, constitute the theoretical basis for the construction of the Subjective assessment of quality of life (SAQL) questionnaire. Confirmatory factor analysis supported the hypothesis that the construct validity of SAQL would be adequate: RMSEA = 0.069, SRMR = 0.071, CFI = 0.95 and NNFI/TLI = 0.95. Following the verification of other aspects of its validity, it can be one of the alternative tools of a generic nature, which is sufficiently complex and appropriate for a large population of persons aged 15-70 years.
Statistical theory indicates that hierarchical clustering by interviewers or raters needs to be considered to avoid incorrect inferences when performing any analyses including regression, factor analysis (FA) or item response theory (IRT) modelling of binary or ordinal data. We use simulated Positive and Negative Syndrome Scale (PANSS) data to show the consequences (in terms of bias, variance and mean square error) of using an analysis ignoring clustering on confirmatory factor analysis (CFA) estimates. Our investigation includes the performance of different estimators, such as maximum likelihood, weighted least squares and Markov Chain Monte Carlo (MCMC). Our simulation results suggest that ignoring clustering may lead to serious bias of the estimated factor loadings, item thresholds, and corresponding standard errors in CFAs for ordinal item response data typical of that commonly encountered in psychiatric research. In addition, fit indices tend to show a poor fit for the hypothesized structural model. MCMC estimation may be more robust against clustering than maximum likelihood and weighted least squares approaches but further investigation of these issues is warranted in future simulation studies of other datasets. Copyright © 2015 John Wiley & Sons, Ltd.
Ciele. Zámerom výskumu bolo overiť faktorovú štruktúru slovenského prekladu jedného z najznámejších nástrojov na zisťovanie aspektov syndrómu vyhorenia (Maslach, Leiter, 2017) – dotazníka MBI-HSS – na súbore pomáhajúcich profesionálov. V súlade s teoretickými východiskami a výsledkami výskumov bolo overovaných päť modelov: 3-faktorový (emocionálne vyčerpanie – EE, depersonalizácia – DEP a znížená spokojnosť s pracovným výkonom – PA-r), 2-faktorový (EE a DEP) a tri 1-faktorové modely (EE, DEP a PA-r ako samostatné, nezávislé konštrukty). Metóda. Výskum prebiehal na dvoch súboroch pomáhajúcich profesionálov (N1= 454 a N2= 387), ktorí vypĺňali MBI-HSS. Bola realizovaná konfirmačná faktorová analýza (CFA; metóda maximum likelihood) v programe IBM SPSS Statistics 25, Amos 25 a Jamovi 0.8.1.13. Výsledky. Výsledky CFA na oboch súboroch podporili 1-faktorové modely, ktoré testovali EE, DEP a PA-r ako nezávislé, samostatné konštrukty. Všetky tri faktory vykazovali zároveň uspokojivé odhady vnútornej konzistencie (McDonaldova ω). Na základe analýz možno konštatovať, že dotazník MBI-HSS je reliabilný a validný nástroj na meranie jednotlivých aspektov syndrómu vyhorenia v populácii pomáhajúcich profesionálov v slovenskom prostredí. Limity. Nástroj mal sebaposudzovací charakter. V rámci výskumu nebola overovaná test-retestová reliabilita a konštruktová validita ani vzťahy faktorov vyhorenia s príbuznými konštruktmi, čo je zároveň perspektívou pre ďalší výskum.
Objectives. The aim of the study was to verify the factor structure of the Slovak version of MBI-HSS, one of the best-known tools for measuring burnout syndrome (Maslach, Leiter, 2017), on a sample of helping professionals. In line with the theoretical background and research results, five models were tested: a 3-factor model (emotional exhaustion - EE, depersonalization - DEP and reduced personal accomplishment - PA-r), a 2-factor model (EE and DEP) and three 1-factor models (EE, DEP and PA-r as separate, uncorrelated constructs). Method. The research was conducted on two samples of helping professionals (N1 = 454 and N2 = 387) who completed MBI-HSS. A confirmatory factor analysis (method of maximum likelihood) was implemented in IBM SPSS Statistics 25, Amos 25 and Jamovi 0.8.1.13 to test the data. Results. The analyses provided the best empirical support for three 1-factor models of EE, DEP and PA-r as independent constructs in both research samples. The internal consistency estimates (McDonald’s ω) of those three factors were satisfactory. The results showed that the MBIHSS questionnaire is a reliable and valid tool for measuring EE, DEP and PA-r as separate aspects of the burnout syndrome in the population of helping professionals in the Slovak settings. Study limitation. The tool was self-assessing. Test-retest reliability was not examined, neither were the relationships between EE, DEP and PA-r to related constructs. These limits provide some recommendations for further research.
OBJECTIVES: The aim was to assess the reliability and validity of the quality of life (QoL) instrument CASP-19, and three shorter versions of CASP-12 in large population sample of older adults from the HAPIEE (Health, Alcohol, and Psychosocial factors In Eastern Europe) study. METHODS: From the Czech Republic, Russia, and Poland, 13,210 HAPIEE participants aged 50 or older completed the retirement questionnaire including CASP-19 at baseline. Three shorter 12-item versions were also derived from original 19-item instrument. Psychometric validation used confirmatory factor analysis, Cronbach's alpha, Pearson's correlation, and construct validity. RESULTS: The second-order four-factor model of CASP-19 did not provide a good fit to the data. Two-factor CASP-12v.3 including residual covariances for negative items to account for the method effect of negative items had the best fit to the data in all countries (CFI = 0.98, TLI = 0.97, RMSEA = 0.05, and WRMR = 1.65 in the Czech Republic; 0.96, 0.94, 0.07, and 2.70 in Poland; and 0.93, 0.90, 0.08, and 3.04 in Russia). Goodness-of-fit indices for the two-factor structure were substantially better than second-order models. CONCLUSIONS: This large population-based study is the first validation study of CASP scale in Central and Eastern Europe (CEE), which includes a general population sample in Russia, Poland, and the Czech Republic. The results of this study have demonstrated that the CASP-12v.3 is a valid and reliable tool for assessing QoL among adults aged 50 years or older. This version of CASP is recommended for use in future studies investigating QoL in the CEE populations.
- MeSH
- důchod statistika a číselné údaje MeSH
- faktorová analýza statistická MeSH
- kvalita života psychologie MeSH
- lidé středního věku MeSH
- lidé MeSH
- průzkumy a dotazníky normy MeSH
- psychometrie přístrojové vybavení MeSH
- reprodukovatelnost výsledků MeSH
- senioři MeSH
- stárnutí psychologie MeSH
- Check Tag
- lidé středního věku MeSH
- lidé MeSH
- mužské pohlaví MeSH
- senioři MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
- Research Support, N.I.H., Extramural MeSH
- Geografické názvy
- Česká republika MeSH
- Polsko MeSH
- Rusko MeSH
The purpose of the study was to assess factor structure of Bosnian version of Behaviour Rating Inventory of Executive Function (BRIEF). This instrument is a rating scale used for assessment of executive functions in children and adults of diff erent ages and sample category. Executive functions are crucial for early development of cognitive and social capacities, which are very important for children with intellectual disabilities and very often serve as a basis of their future integration into society. However, benefi ts of well-developed executive functions, its relationships and eff ects to diff erent aspects of life in this population, have started to be investigated relatively recently. Therefore, beside increasing knowledge about executive functions in children with intellectual dis ability, the study aimed to test feasibility and stability of BRIEF in this population with future goal of its application in schools for development of educational plans for children of this population. The sample consisted of 104 children with intellectual disability (62 boys and 42 girls) from 7 to 18 years of age. There were 49 children with mild and 55 with moderate intellectual disability. The BRIEF – teacher version was completed by 15 special education teachers of children participating in the study. The goal was to examine factor struc ture of 8 BRIEF scales: inhibit, shift , emotional control, initiate, working memory, organization of materials, plan/organize and monitor. Teachers were not considered to be participants, but only supporters of its implementation. The study confi rmed original two factor structure of the BRIEF with 80.6 % of total variance explained. It has shown that BRIEF is feasible and reliable in application with this population and it can be used for school assessment as a basis for educational planning and development of executive functions.
- Klíčová slova
- Behaviour Rating Inventory of Executive Function,
- MeSH
- chování dětí MeSH
- dítě MeSH
- exekutivní funkce * MeSH
- faktorová analýza statistická MeSH
- lidé MeSH
- mentální retardace * psychologie MeSH
- mladiství MeSH
- průzkumy a dotazníky MeSH
- statistika jako téma MeSH
- Check Tag
- dítě MeSH
- lidé MeSH
- mladiství MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Geografické názvy
- Bosna a Hercegovina MeSH
Ciele. Cieľom štúdie bolo overiť faktorovú štruktúru slovenskej verzie škály ProQOL, ktorá umožňuje zistiť mieru výskytu pozitívnych a negatívnych dôsledkov vykonávania pomáhajúcej profesie – zadosťučinenie z pomáhania a únavu z pomáhania (sekundárny traumatický stres a vyhorenie). Na základe teoretických východísk a výskumných zistení boli overované tri modely: dvojfaktorový (zadosťučinenie z pomáhania a únava z pomáhania), trojfaktorový (zadosťučinenie z pomáhania, sekundárny traumatický stres a vyhorenie) a dvojfaktorový (zadosťučinenie z pomáhania a sekundárny traumatický stres). Metóda. Výskum bol realizovaný na dvoch súboroch pomáhajúcich pracovníkov (N1 = 739 a N2 = 686), ktorí vyplnili škálu ProQOL. Dáta boli podrobené konfirmačnej faktorovej analýze s využitím metódy maximum likelihood v programe IBM SPSS Statistics 21 a AMOS. Výsledky. Konfirmačná faktorová analýza podporila dvojfaktorový model zadosťučinenia z pomáhania a sekundárneho traumatického stresu, ktorý vykazoval najlepšie parametre na oboch výskumných súboroch (súbor 1: RMR = = 0,047; SRMR = 0,061; GFI = 0,917; AGFI = =0,896; NFI = 0,852; CFI = 0,886; TLI = 0,872; RMSEA = 0,062; súbor 2: RMR = 0,054; SRMR = 0,051; GFI = 0,907; AGFI = 0,884; NFI = 0,899; CFI = 0,922; TLI = 0,913; RMSEA = = 0,065). Je možné konštatovať, že slovenská adaptácia ProQOL je reliabilná a validná a predstavuje vhodný nástroj na zisťovanie miery zadosťučinenia z pomáhania a sekundárneho traumatického stresu u pomáhajúcich pracovníkov. Limity. Vo výskumných súboroch boli zastúpené prevažne ženy. Druhý výskumný súbor bol vybraný nenáhodne. V prvom výskumnom súbore bolo dvakrát menej zdravotníkov, ale ostatné typy profesií boli v oboch súboroch zastúpené v porovnateľnom pomere. Výskum prebiehal iba v zariadeniach sociálnej a zdravotnej starostlivosti, preto sa zistenia vzťahujú len na vybrané typy pomáhajúcich profesií: zdravotníkov, sociálnych pracovníkov, psychológov, terapeutov, pedagógov, vychovávateľov a riadiacich pracovníkov.
Objectives. The aim of the present study was to test the factor structure of the Slovak version of the Professional quality of life scale (ProQOL). The instrument measures the frequency of experiencing positive and negative consequences of professional helping – compassion satisfaction and compassion fatigue (secondary traumatic stress and burnout). The three models were tested: a two-factor model (compassion satisfaction and compassion fatigue), a three-factor model (compassion satisfaction, secondary traumatic stress and burnout) and a two-factor model (compassion satisfaction and secondary traumatic stress). Method. Two groups of helping professionals participated (N1 = 739; N2 = 686) and completed the ProQOL. Confirmatory factor analysis (maximum likelihood method) in AMOS for IBM SPSS Statistics 21 was used to test the data. Results. A two-factor model (compassion satisfaction and secondary traumatic stress) was supported in both research samples (sample 1: RMR = 0,047; SRMR = 0,061; GFI = 0,917; AGFI = 0,896; NFI = 0,852; CFI = 0,886; TLI = 0,872; RMSEA = 0,062; sample 2: RMR = 0,054; SRMR = 0,051; GFI = 0,907; AGFI = = 0,884; NFI = 0,899; CFI = 0,922; TLI = 0,913; RMSEA = 0,065). Slovak adaptation of the Pro- QOL is a reliable and valid measure of compassion satisfaction and secondary traumatic stress among helping professionals. Limitations. More women than men participated. Purposive sampling method was used in the second research sample. Only helping professionals working in institutions providing social and health care participated: health professionals, social workers, psychologists, therapists, teachers, educators and supervisors. There were more health professionals in the second group of participants.
