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Related Concept Videos

Qualitative Analysis01:10

Qualitative Analysis

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Qualitative analysis is the process of identifying elements, ions, or compounds in an unknown sample. It is the first and most fundamental type of analysis based on the hierarchy of analytical goals. This hierarchy is significant as it provides a structured approach to scientific research, with qualitative analysis serving as the initial step, providing essential information before moving on to quantitative or other forms of analysis.
There are two main approaches to qualitative analysis:...
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Degree of Unsaturation02:05

Degree of Unsaturation

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The degree of unsaturation (U), or index of hydrogen deficiency (IHD), is defined as the difference in the number of pairs of hydrogen atoms between the compound and the acyclic alkane with the same number of carbon atoms. Each double bond or ring costs two hydrogen atoms compared to a saturated analog and results in one degree of unsaturation.
The degree of unsaturation for hydrocarbons is U = (2C + 2 − H) / 2, where C is the number of carbon atoms and H is the number of hydrogen atoms.
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Quantitative Analysis01:12

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Quantitative analysis is a technique for measuring the amount of specific constituents in a sample. When the sample's composition is unknown, qualitative analysis is performed first to identify its components, which ensures that the correct substances are measured during the quantitative phase.
In quantitative analysis, two key measurements are made: the sample quantity and a property proportional to the amount of the analyte (the substance being analyzed). This forms the basis of the...
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Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
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Solution Equilibrium and Saturation01:59

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Imagine adding a small amount of sugar to a glass of water, stirring until all the sugar has dissolved, and then adding a bit more. You can repeat this process until the sugar concentration of the solution reaches its natural limit, a limit determined primarily by the relative strengths of the solute-solute, solute-solvent, and solvent-solvent attractive forces. You can be certain that you have reached this limit because, no matter how long you stir the solution, undissolved sugar remains. The...
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The systematic method of obtaining and analyzing accurate information of a population is called data collection. A survey is a standard method of data collection that involves collecting information from a target human population about their experience, opinion, or knowledge of a product, service, or process. The responses are recorded and interpreted. The most common survey examples are written questionnaires, face-to-face or telephonic conversations, focus groups, and electronic (e-mail or...
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Updated: Jun 26, 2025

Enactive Phenomenological Approach to the Trier Social Stress Test: A Mixed Methods Point of View
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Saturation in qualitative research: An evolutionary concept analysis.

Sara Rahimi1,2, Marzieh Khatooni1,2

  • 1Social Determinants of Health Research Center, Research Institute for Prevention of Non-Communicable Diseases, Qazvin University of Medical Sciences, Qazvin, Iran.

International Journal of Nursing Studies Advances
|May 15, 2024
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Summary

Understanding saturation in qualitative research is crucial for rigorous studies. This analysis clarifies its types, antecedents, and consequences, enhancing research quality and efficiency.

Keywords:
Concept analysisData collectionQualitative researchSample sizeSaturation

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Area of Science:

  • Nursing Research
  • Qualitative Methodology

Background:

  • Qualitative research is vital for advancing nursing knowledge.
  • Understanding saturation is key for rigorous qualitative research and evidence-based practice.

Purpose of the Study:

  • To clarify the concept of saturation in qualitative research.
  • To identify the attributes, antecedents, and consequences of saturation.

Main Methods:

  • Evolutionary concept analysis of 33 articles and books (2005-2023).
  • Thematic analysis to identify saturation attributes, antecedents, and consequences.
  • Data validity ensured by two independent researchers.

Main Results:

  • Saturation is a context-dependent, subjective process requiring systematic analysis.
  • Four types of saturation exist: theoretical, data, code/thematic, and meaning.
  • Antecedents include study and researcher factors; consequences include ensuring credibility and saving resources.

Conclusions:

  • Enhanced understanding of saturation benefits qualitative researchers.
  • Comprehending saturation improves study validity and optimizes resource allocation.
  • Further research is needed on factors influencing saturation and sample size estimation.