Assessing Structural Equation Models by Equivalence Testing With Adjusted Fit Indexes

Yuan, Ke‐Hai; Chan, Wai; Marcoulides, George A.; Bentler, Peter M.

doi:10.1080/10705511.2015.1065414

Cited by 164 publications

(166 citation statements)

References 60 publications

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“…Em coerência com os objetivos do estudo e com os procedimentos de análise de dados descritos em seções anteriores do manuscrito, e na busca de aferir maior clareza na exposição dos achados do estudo, os resultados serão apresentados com determinada ordem. Inicialmente, serão demonstradas as análises quanto ao modelo de mensuração (Hair et al, 2009), seguidas do teste de equivalência/teste de hipótese (Yuan et al, 2016) e da avaliação da invariabilidade do modelo (Damásio, 2013;Hair et al, 2009). Na sequência, serão apresentados os pontos de cortes para o BDI-II, aferidos por meio da análise de classe latente (Allan et al, 2014), bem como serão explanados os achados no tocante à verificação da variabilidade das classes latentes (Berlin et al, 2013;Damásio, 2013;Hair et al, 2009;Muthén, 2008).…”

Section: Resultsunclassified

“…Após a eleição do modelo mais plausível por meio da ESEM, pelo fato de amostras maiores tenderem a um valor significativo (p≤0,05) do qui-quadrado (χ 2 ; Hair et al, 2009), efetuou-se o teste de equivalência proposto por Yuan et al (2016). Nessa estratégia, os índices RMSEA e CFI são adotados para a avaliação da má especificação de um modelo (T-size).…”

Section: Teste De Equivalênciaunclassified

“…Em relação ao modelo bifator confirmatório, o teste χ 2 (968,90) apresentou-se significativo (p≤0,05); e a razão χ 2 /GL (5,60), inaceitável (>3; Hair et al, 2009). Sendo assim, efetuou-se o teste de hipótese (H0) com base na estratégia de Yuan et al (2016). Para o modelo 3 (bifator), os valores de T-size dos índices RMSEA e CFI foram, respectivamente, 0,054 (IC: 0,021-0,057) e 0,970 (IC: 0,943-0,987; modelo independente = 32.955,10).…”

Section: Teste De Hipóteseunclassified

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Inventário de depressão de beck II: análises pela teoria do traço latente

2018

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RESUMOEste estudo tem o objetivo de avaliar as propriedades psicométricas do Inventário de Depressão de Beck -Segunda Versão (BDI-II), que visa avaliar a gravidade dos sintomas depressivos. A amostra contou com 2.385 participantes (13 a 85 anos) da região metropolitana de Porto Alegre, Rio Grande do Sul. Os seguintes métodos da Teoria do Traço Latente foram utilizados: Modelagem de Equação Estrutural Exploratória, Análise de Classe Latente e Análise Fatorial Confirmatória Multigrupo. Observou-se a possibilidade de que o BDI-II possa ser um instrumento unidimensional com subfatores mais restritos (modelo bifator). Encontrou-se evidências de que o instrumento apresente precisão de medida para a mensuração da gravidade dos sintomas depressivos. Também, pontos de corte foram sugeridos, verificando a possibilidade de três classes em termos de gravidade dos sintomas depressivos: mínimos, leves e moderados/graves. Dentre as limitações deste estudo, destaca-se que não foi efetuada a comparação com outras amostras com características diferenciadas. Palavras-chave: sintomas depressivos; BDI-II; Teoria do Traço Latente. ABSTRACT -Beck Depression Inventory II: analyses by Latent Trace TheoryThis study aims to evaluate psychometric properties of the Beck Depression Inventory -Second Version (BDI-II), which aims to evaluate the severity of depressive symptoms. The following methods of the Latent Trace Theory were used: Exploratory Structural Equation Modeling, Latent Class Analysis and Multi-group Confirmatory Factor Analysis. The possibility that BDI-II could be a one-dimensional instrument with more restricted subfactors (bi-factor model) was observed. There was evidence that the instrument presented precision in measuring the severity of depressive symptoms. Cutoff points were also suggested, verifying the possibility of three classes in terms of depressive symptoms severity: minimal, mild, and moderate/severe. Among the limitations of this study, it should be noted that the comparison with other samples with different characteristics was not performed. Keywords: depressive symptoms; BDI-II; latent trace theory. RESUMEN -Inventario de Depresión de Beck II: análisis por la Teoría del Trazo LatenteEste estudio tiene el objetivo de evaluar las propiedades psicométricas del Inventario de Depresión de Beck -Segunda Versión (BDI-II), que busca evaluar la gravedad de los síntomas depresivos. La muestra contó con 2.385 participantes (13 a 85 años) de la región metropolitana de Porto Alegre, en la provincia de Rio Grande do Sul. Se utilizaron los siguientes métodos de la Teoría del Trazo Latente: Modelo de Ecuación Estructural Exploratoria, Análisis de Clase Latente y Análisis Factorial Confirmatorio Multigrupo. Se observó la posibilidad de que el BDI-II pueda ser un instrumento unidimensional con subfactores más restringidos (modelo bifator). Quedó evidente la precisión del instrumento utilizado para medir la gravedad de los síntomas depresivos. También, fueron sugeridos puntos de corte, verificando la posibilidad de tres distintas...

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Section: Resultsunclassified

Section: Teste De Equivalênciaunclassified

Section: Teste De Hipóteseunclassified

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Inventário de depressão de beck II: análises pela teoria do traço latente

2018

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“…We analysed the goodness of fit with the comparative fit index (CFI) and the Tucker–Lewis index (TLI). For these indices we expected a value > 0·9 . For the root mean square residual (RMSR) index and the root mean square error of approximation (RMSEA), values ≤ 0·08 and 0·06 were, respectively, expected .…”

Section: Methodsmentioning

confidence: 94%

Construct validity and responsiveness of the Colombian version of Skindex‐29

Vásquez

Aguirre

Sanclemente³

2019

Br J Dermatol

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Summary Background In recent years, the need for international, objective, patient‐reported outcomes measures has grown as international collaboration has increased. As most quality‐of‐life scales have been developed in English, there is a growing need to adapt them transculturally to obtain equivalence between the original instrument and the adapted scale. Objectives To assess the construct and convergent–discriminant validity and responsiveness of the Colombian version of Skindex‐29. Methods The cross‐sectional and longitudinal validity and responsiveness were tested in both healthy and dermatology patients. Construct validity was tested through a confirmatory factor analysis. The convergent–discriminant validity was assessed by examining the Spearman correlation coefficient. Change sensitivity was tested by means of the standardized response mean. The effect size and the minimum detectable change were also assessed. Results A total of 265 participants were included; 21·1% were healthy individuals, and 78·9% patients had either inflammatory or noninflammatory skin diseases. Confirmatory factor analysis showed an adequate comparative fit index and Tucker–Lewis index adjustment for the root mean square error of approximation. Convergent validity showed moderate correlations between the emotions, functioning and physical function or physical role domains. Discriminant validity showed low correlations between overall domains for both scales. Sensitivity to change at the first and third month showed effect sizes in global Skindex scores of 0·92 and 0·82, respectively. Conclusions The Colombian version of Skindex‐29 is a valid and clinically sensitive instrument, which can be used for clinical practice and for research to measure the impact of skin diseases on the quality of life of dermatology patients.

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“…Its basic functions include the calculation of reference evapotranspiration, crop water requirements, and scheme irrigation. Though a daily water balance, the user can simulate various water supply conditions and estimate yield reductions and irrigation and rainfall efficiencies [1].…”

Section: Introductionmentioning

confidence: 99%

Evaluating the Irrigation Practice of Center Pivot Sprinkler Irrigation System at Hiwot Agricultural Mechanization, Ethiopia

Tiku

Singh

2019

JERR

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Irrigation practice evaluation of center pivot sprinkler irrigation system at Hiwot Agricultural Mechanization farm, North/west Ethiopia was conducted. The aim of the study was evaluating the existing center pivot irrigation practice in terms of irrigation scheduling. Measuring flow rate of center pivot machines for existing irrigation practice and Crop water requirement based scheduling was used to evaluate the system. The highest value of crop water requirement at location m6, m7 and m12 was 5.24 mm/day in September at mid-stage and for location m4 and m8 in October at mid-stage equal to 4.99 mm/day. Whereas, the lowest crop water requirement at location m6, m7 and m12 was 2.52 mm/day in July at the initial stage which was and for location m4 and m8 in august at initial stage equal to 2.08 mm/day. The actual flow rate of center pivot machines varies from 0.7l/s for m7 to a maximum of 1l/s for m4 whereas estimated crop water requirement flow rate Tiku and Singh; JERR, 8(3): 1-7, 2019; Article no.JERR.52014 2 varies from 0.6l/s for m6 to a maximum of 0.8l/s for m4. The study also revealed that the actual flow rate of the nozzles was excess. Therefore improvement of center pivot sprinkler irrigation system can be amended by using proper irrigation scheduling and by introducing an automatic control system. Original Research Article

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Assessing Structural Equation Models by Equivalence Testing With Adjusted Fit Indexes

Cited by 164 publications

References 60 publications

Inventário de depressão de beck II: análises pela teoria do traço latente

Inventário de depressão de beck II: análises pela teoria do traço latente

Construct validity and responsiveness of the Colombian version of Skindex‐29

Evaluating the Irrigation Practice of Center Pivot Sprinkler Irrigation System at Hiwot Agricultural Mechanization, Ethiopia

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