Validation of the Italian Sense of Agency Scale and Its Relevance to Well-Being: An Iterative Bootstrap Approach by Simone Di Plinio, Claudia Greco, Simone Arnò, Marco Innamorati, Sjoerd J. H. Ebisch

“…The revised scale demonstrated strong internal consistency, with McDonald’s omega values of 0.79 (SoNA) and 0.87 (SoPA). …”
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Rasch Model Analysis of the Psychometric Properties of the Positive Mental Health Scale in Students by Noorellah Yousefi, Alireza Pirkhaefi

“…The person-item reliability coefficient was 0.88, Cronbach's alpha was 0.86, and McDonald's omega coefficient was 0.84.Discussion and conclusion: The results of the study indicated that the Positive Mental Health Scale is a unidimensional instrument with favorable psychometric properties for assessing positive mental health in students. …”
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Characteristics of Patients with Newly Diagnosed Multiple Sclerosis – A 5-year Study at Benghazi Medical Center, Benghazi, Libya by Magda Elshukri, Kathloum Elkaseh, Anwaar Mukhtar Bennour, Heba Abdelrazek El-Zawawi

“…The patients who were fulfilling the 2017 McDonald’s diagnostic criteria and registered at the MS clinic were included in the study. …”
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Development and psychometric evaluation of the Brief Parenting Questionnaire by Kenneth E. Miller, Alexandra Chen, Ioannis Bakolis, Gabriela V. Koppenol-Gonzalez, Maguy Arnous, Fadila Tossyeh, Dalia Al-Ogaily, Mark J. D. Jordans

“…The reliability of the BPQ and its potential subscales was assessed by examining the internal consistency using Cronbach’s alpha and McDonald’s omega. Multi-group CFA was conducted to identify if the same two constructs were being measured across mothers and fathers. …”
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Adapting and validating the satisfaction, alertness, timing, efficiency, and duration-breast cancer (SATED-BC) scale for measuring sleep health in Spanish women treated for breast... by Ángela González-Santos, Mario Lozano-Lozano, Irene Cantarero-Villanueva, Paula Postigo-Martín, Lydia Martín-Martín, Rocío Gil-Gutiérrez, Roberto Muelas-Lobato, Maria Lopez-Garzon

“…Results: The SATED-BC scale was reliable in terms of its internal consistency (Cronbach’s α = 0.70; McDonald’s ω = 0.72), showed high intrasubject reliability ( r  = 0.90), and was shown to be valid for use in women who have completed treatment for breast cancer. …”
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High fatigue levels among psychiatric outpatients – the validity of the Danish Patient Reported Outcomes Measurement Information System Fatigue Short-Form (PROMISF-SF) by Ragnar Klein Olsen, Sidse M. Arnfred, Christina Madsen, Oliver Rumle Hovmand

“…Cronbach’s alpha and McDonald’s omega showed good internal reliability (α = 0.96, ωtotal = 0.97). …”
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Translation and cultural adaption of MacLeod Clark professional identity scale among Chinese therapy students. by Xiaoyi Shu, Chun Feng, Chak-Lam Ip, Xin Zhang, Nan Yang, Shibo Li, Jia Han, Weibing Wu, Alec Knight

“…Internal consistency was examined using Cronbach's Alpha (Cα) and McDonald's Omega (ω).<h4>Results</h4>A total of 1054 students participated. …”
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Validation of Spanish Version of the Spirituality and Spiritual Care Rating Scale (SSCRS‐Sp) in Nursing Professionals by M. D. Fernández‐Pascual, A. Reig‐Ferrer, L. Martínez‐Rodríguez, J. A. Quesada‐Rico, W. McSherry, L. Riquelme‐Ros

“…Internal consistency analysis was also performed using a McDonald's omega. The reporting in this investigation adhered to the STROBE checklist. …”
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Psychometric evaluation of the chinese version of transgender congruence scale by Lvfen Gao, Xu Zhang, Huiyi Li, Chuying Lu, Jinhui Li, Qian Tao

“…Results The reliability coefficients of the revised 9-item TCS were satisfactory (Cronbach’s α = 0.85, McDonald’s ω = 0.87). The two-factor model of the instrument was supported (χ 2 (26) = 52.525, p = 0.002, CFI = 0.979, TLI = 0.971, SRMR = 0.052, RMSEA = 0.062 [90% CI = 0.037, 0.086]). …”
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Efficacy of an Emergency Cervical Cerclage Using Absorbable Monofilament Sutures by Yuka Sato, Nobuhiro Hidaka, Takahiro Nakano, Saki Kido, Masahiro Hachisuga, Yasuyuki Fujita, Kiyoko Kato

“…We performed a chart review of patients who underwent emergency McDonald cerclage with polydioxanone sutures at our institution between 2007 and 2015. …”
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Detection of opioid growth factor in Multiple Sclerosis Patients by Khamael Abdulla Taha, Mayada N. Iqbal, Gheyath Abd Ali Shalal

“…A total number of 100 patients were diagnosed in two groups (54 early diagnosis of MS without treatment, 46 early diagnosis with treatment) according to McDonald criteria and 50 healthy control groups were included. …”
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Haber Medyası Okuryazarlığı Ölçeği: Geçerlik ve Güvenirlik Çalışması by Seçil Deren Van Het Hof, Ayşad Güdekli, Mehmet Sebih Oruç, Mehmet Eser

“…Ölçeğin alt boyutları ve tümüne ilişkin Cronbach Alfa ve McDonald’ın Omega değerleri 0.83 ile 0.86 arasında değişiklik göstermektedir. …”
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Psychometric analysis of the three item loneliness scale in the Czech Republic by Zdenek Meier, Lukas Novak, Jakub Helvich, Patrik Licka, Peter Tavel

“…The scale’s internal consistency and temporal stability were found to be satisfactory (Cronbach’s α = 0.81, McDonald’s ω = 0.82, ICC = 0.71). The parallel analysis supported the unidimensionality of the TILS. …”
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Evidencias de validez y confiabilidad de la escala de motivación deportiva SMS-II en deportistas colombianos by Catalina Riveros-Vargas, Daniel Sierra-Osorio, Juanita Jaramillo-Muñoz, Haney Aguirre-Loaiza, Felipe Turbay de Mier, Fernando Riveros Munévar

“…Resultados: se realizó un análisis factorial confirmatorio con la estructura factorial original, encontrando altos índices de bondad de ajuste y bajos índices de error (GFI= 0.992, CFI = 0.992, TLI =0.990, RMSEA = 0.057), y se hallaron altos índices de fiabilidad (Omega de McDonald= 0.858, Alfa de Cronbach= 0.896 y GLB= 0.968). …”
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Validation of the shortest version of the eating attitude test (EAT-7) as a screening tool for disordered eating in patients with first-episode schizophrenia by Feten Fekih-Romdhane, Youssef Boukadida, Majda Cheour, Souheil Hallit

“…In addition, the EAT-7 yielded excellent reliability coefficients, with both a McDonald’s ω and a Cronbach’s α of 0.88. Measurement invariance of the EAT-7 across sex groups was tested using multi-group CFA, and established at the configural, scalar, and metric levels. …”
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The Dutch-translated cultural competence assessment scale for nurses: Cross-cultural adaptation and validation by P.B. Sutharson, J.M. Maaskant, A.M. Eskes

“…Internal consistency was evaluated, utilising McDonald's omega Results: The sample consisted of 447 Dutch nurses working in different healthcare settings. …”
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Gender beliefs and norms underlying intimate partner violence stigma among women living in Botswana: Results of an exploratory factor analysis. by Ari Ho-Foster, Mercilene Tanyaradzwa Machisa, Lorato Ruth Moalusi, Nicola Christofides

“…For each EFA identified scale, we estimated reliability (McDonald's omega (ω)) and correlation with psychosocial outcomes related to IPV stigma. …”
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Validación de una escala abreviada para evaluar la gestión en organizaciones de salud by Bladimir Becerra-Canales, Carmen Vera-Cáceres, María Dávalos-Almeyda, Olinda Oscco-Torres, Marjorie Ybaseta–Soto, Carmen Aquije-Paredes, María José Cevallos-Cardenas

“…La consistencia interna con el omega de McDonald (ω= 0,892), alfa de Cronbach (α= 0,892) y Gutmann (λ6= 0,887), revelaron valores óptimos de confiabilidad. …”
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Validation of a Questionnaire Assessing Pregnant Women’s Perspectives on Addressing the Psychological Challenges of Childbirth by Mihaela Corina Radu, Mihai Sebastian Armean, Razvan Daniel Chivu, Justin Aurelian, Melania Elena Pop-Tudose, Loredana Sabina Cornelia Manolescu

“…The questionnaire was available for seven months, from January to July 2023. Results: McDonald’s ω, Cronbach’s α, average inter-item correlation, and total item correlations were calculated to assess the consistency of the questionnaire items in measuring the same construct. …”
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Escala Diabetes-Prev: validación en medidas preventivas de diabetes tipo 2 en habitantes cajamarquinos, diseño de validación by Orlando Linares-Vásquez, Yonathan Yoel Díaz-Dávila, José Ander Asenjo-Alarcón

“…La escala se elaboró a partir de las recomendaciones de la Asociación Americana de Diabetes, constituida por 36 ítems, validados por ocho profesionales en salud y nutrición, se realizó una prueba piloto de encuesta con 385 personas mayores de edad, residentes en las 13 provincias de Cajamarca, la validez de constructo se obtuvo con el análisis factorial exploratorio y la fiabilidad con McDonald's ω. Resultados: La escala quedó conformada por 33 ítems distribuidos en 5 dimensiones: consumo de bebidas alcohólicas y cigarros (11 ítems), hábitos alimenticios y físicos perjudiciales (6 ítems), hábitos alimenticios y de sueño beneficiosos (5 ítems), aditivos alimentarios y peso corporal (6 ítems) y actividad física e hidratación (5 ítems), las cargas factoriales fueron mayores a 0,30 y la varianza acumulada de 43,66%. …”
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