Announcements

• Methodological Note 7. What Is (and What Is Not) a Food Technology Article in the RENHyD

  2026-07-01

  This methodological note outlines the criteria that manuscripts in the field of food technology must meet to be considered for publication in the Spanish Journal of Human Nutrition and Dietetics (RENHyD). It describes the types of studies that are suitable, those that do not align with the journal's editorial scope, and the minimum methodological requirements expected. It emphasizes the need to provide analytical, objective, and reproducible evidence demonstrating the impact of food processing or reformulation on the nutritional, functional, and technological properties of foods.

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• Methodological Note 6: Sample Size and Sampling Strategies in Qualitative Research – How Many Participants Are Enough?

  2026-03-11

  In qualitative research, the sample size is not fixed but is adjusted during the study according to the principle of saturation, which occurs when the data no longer provide new information. Thus, the validity of the study focuses on the depth and richness of the findings rather than on the number of participants.

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• Convocatoria de editor/a para la Revista Española de Nutrición Humana y Dietética en diferentes áreas temáticas

  2026-02-17

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• Methodological note 5. Trained and untrained panels in sensory evaluation of products: How do I know which one is best for my study?

  2025-06-04

  Sensory analysis is a fundamental scientific discipline for eliciting, measuring, analyzing, and interpreting the characteristics of products perceived by the human sense organs. This methodological approach is applied in various industries, such as food, cosmetics, and other consumer goods, to evaluate the quality, acceptance, and preference of products. 

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• The Spanish Journal of Human Nutrition and Dietetics (RENHYD) Adopts the Declaration on Research Assessment (DORA)

  2025-04-10

  The Spanish Journal of Human Nutrition and Dietetics (RENHYD) has officially adopted the Declaration on Research Assessment (DORA), reaffirming its commitment to a more ethical, transparent, and inclusive science.

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• Methodological note 4. Key steps for conducting a systematic review

  2024-12-31

  Given the growing body of scientific evidence, various types of reviews can be conducted to synthesise the available data. Up to 14 distinct types of reviews have been identified, including narrative reviews, scoping reviews, umbrella reviews and systematic reviews.

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• Methodological note 3. Between qualitative and quantitative research: the importance of mixed designs

  2024-10-15

  A key stage in the development of research is recognizing the design or methodological approach that will address the study’s objectives. The questions how many? or why? intuitively guide the use of quantitative and qualitative research approaches, respectively. However, what happens when one aims to interpret or contextualize statistical data results from the participants' subjectivity?

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• Convocatoria editor/a para la Revista Española de Nutrición Humana y Dietética en diferentes áreas temáticas.

  2024-05-02

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• Methodological note 2. Association and correlation in biostatistics, are they the same?

  2024-03-08

  It is not uncommon for certain biostatistical concepts, which are also part of everyday language, to sometimes be misunderstood in their meaning and, consequently, in their use and/or interpretation. This is particularly the case with the terms association and correlation.

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• Methodological note 1. Ethics committee: when, how and, why? Content in Spanish.

  2023-05-28

  Research ethics committees, or bioethics committees, aim to evaluate the ethical, methodological, and legal rigor of research protocols. This evaluation must be conducted before any project is carried out. The changes brought about by research during the COVID-19 pandemic have left us with a few questions.

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