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Author

Mariela Olguín-Barraza

Observed name: Mariela Olguin-Barraza
ORCID: 0000-0001-7630-085X
Observed ORCID: 0000-0001-7630-085X
OpenAlex ID: A5087890833
Cronbach’s alpha and its confidence interval
2023 · Ángel Roco-Videla, Sergio V. Flores, et al. · Nutrición Hospitalaria · 147
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Advantages of using McDonald’s omega coefficient over Cronbach’s alpha
2023 · Ángel Roco-Videla, Raúl Alberto Aguilera-Eguía, et al. · Nutrición Hospitalaria · 52
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How to effectively determine if a data series follows a normal distribution when sample size is small?
2023 · Ángel Roco-Videla, Rodrigo Landabur Ayala, et al. · Nutrición Hospitalaria · 46
Is it possible to calculate Cronbach’s alpha with only two items?
2023 · Ángel Roco-Videla, Raúl Alberto Aguilera-Eguía, et al. · Nutrición Hospitalaria · 10
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Considerations when using the Shapiro–Wilk test when working with small samples
2024 · Ángel Roco-Videla, Sergio Vladimir Flores, et al. · Angiología · 5
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The role of artificial intelligence in systematic reviews: implications and challenges for scientific dissemination
2023 · Ángel Roco-Videla, Raúl Aguilera-Eguía, et al. · Angiología · 4
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Variability of the genetic marker CLOCK rs3749474 and its impact on research and clinical trials on obesity and circadian rhythm
2022 · Ángel Roco-Videla, Sergio V. Flores, et al. · Nutrición Hospitalaria · 3
Population analysis of the CLOCK rs3749474T-rs4864548A haplotype and its relationship with obesity
2023 · Sergio Flores Carrasco, Mariela Olguín-Barraza, et al. · Medwave · 2
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The importance of graphical representation in correlations
2023 · Ángel Roco-Videla, Rodrigo Landabur Ayala, et al. · Nutrición Hospitalaria · 2
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Artificial intelligence and its implication in the development of systematized reviews. Uses and limitations
2023 · Ángel Roco-Videla, Marcela Caviedes-Olmos, et al. · Nutrición Hospitalaria · 2
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Genotypes Distribution of the SNP rs1477196 of FTO gen Associated with Primary Knee Osteoarthritis in Females: An Analysis using the 100Genomes Database
2024 · Ángel Roco-Videla, Sergio V. Flores, et al. · Revista de investigaci�n Cl�nica · 1
Microbiome and type 2 diabetes mellitus: The need-to-know population variability in Latin American populations
2024 · Sergio V. Flores, Mariela Olguin-Barraza, et al. · Enfermedades infecciosas y microbiologia clinica (English ed ) · 1
Microbiome and type 2 diabetes mellitus: The need-to-know population variability in Latin American populations
2023 · Sergio V. Flores, Mariela Olguin-Barraza, et al. · Enfermedades Infecciosas y Microbiología Clínica · 1
Distribución de los genotipos de los polimorfismos RS4244285 y RS12248560 del gen CYP2C19 asociados con la sobrevivencia al cáncer de mama en las mujeres
2023 · Ángel Roco-Videla, Raúl Aguilera-Eguía, et al. · Revista de Senología y Patología Mamaria · 1
rs266729 polymorphism of the ADIPOQ gene. What role does genetic ancestry play in the distribution of its alleles?
2023 · Ángel Roco-Videla, Marcela Caviedes-Olmos, et al. · Nutrición Hospitalaria · 1
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The importance of developing nutritional and vitamin D supplementation programs complemented with micronutrients in people with HIV/AIDS
2025 · Ángel Roco-Videla, Raúl Aguilera-Eguía, et al. · Nutrición Hospitalaria
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Mindfulness as an emerging strategy against obesity in children and adults
2025 · Ángel Roco-Videla, Raúl Aguilera-Eguía, et al. · Nutrición Hospitalaria
The importance of performing intermittent fasting under the supervision of a nutrition professional
2025 · Ángel Roco-Videla, Raúl Aguilera-Eguía, et al. · Nutrición Hospitalaria
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The impact of nutrition on intestinal dysbiosis associated with Parkinson's disease
2025 · Ángel Roco-Videla, Raúl Aguilera-Eguía, et al. · Nutrición Hospitalaria
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Prevalence of the GA risk haplotype of the rs1554483 and rs4864548 polymorphisms of the CLOCK gene associated with obesity and overweight in 26 populations
2023 · Ángel Roco-Videla, Sergio V. Flores, et al. · Nutrición Hospitalaria
Reflections on the evolution of enrollment according to gender in the university education of the Nutrition career in Chile (2005-2022)
2023 · Ángel Roco-Videla, Raúl Alberto Aguilera-Eguía, et al. · Nutrición Hospitalaria
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The rs7139228 polymorphism is located in the DCN gene and not in the RETN gene
2023 · Ángel Roco-Videla, Sergio V. Flores, et al. · Nutrición Hospitalaria
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Statistical association between genetic markers and food addiction: methodological considerations
2023 · Sergio V. Flores, Ángel Roco-Videla, et al. · Nutrición Hospitalaria
Works count: 25
Citation count: 278
H-index: 5
I10-index: 4
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