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Related Concept Videos

Qualitative Analysis01:10

Qualitative Analysis

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:...
Qualitative Analysis03:46

Qualitative Analysis

For solutions containing mixtures of different cations, the identity of each cation can be determined by qualitative analysis. This technique involves a series of selective precipitations with different chemical reagents, each reaction producing a characteristic precipitate for a specific group of cations. Metal ions within a group are further separated by varying the pH, heating the mixture to redissolve a precipitate, or adding other reagents to form complex ions.
For instance, group IV...
Case Studies01:22

Case Studies

There are many research methods available to psychologists in their efforts to understand, describe, and explain behavior and the cognitive and biological processes that underlie it.
Archival Research01:40

Archival Research

Some researchers gain access to large amounts of data without interacting with a single research participant. Instead, they use existing records to answer various research questions. This type of research approach is known as archival research. Archival research relies on looking at past records or data sets to look for interesting patterns or relationships. For example, a researcher might access the academic records of all individuals who enrolled in college within the past ten years and...
Quantitative Analysis01:12

Quantitative Analysis

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 method...
Ethics in Research01:56

Ethics in Research

Today, scientists agree that good research is ethical in nature and is guided by a basic respect for human dignity and safety. However, this has not always been the case. Modern researchers must demonstrate that the research they perform is ethically sound.

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Qualitative research - Part 1.

Priya Ranganathan1, Dylan E Graetz2, Julia Hanebrink3

  • 1Departments of Anaesthesiology, Tata Memorial Centre, Homi Bhabha National Institute, Mumbai, Maharashtra, India.

Perspectives in Clinical Research
|May 15, 2026
PubMed
Summary
This summary is machine-generated.

This article introduces qualitative research methods, differentiating them from quantitative approaches. It covers qualitative research designs and data collection techniques, setting the stage for future discussions on sampling and analysis.

Keywords:
Researchfocus groupqualitative research

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Area of Science:

  • Social Sciences
  • Health Sciences
  • Education

Background:

  • Quantitative research methods have been previously discussed.
  • Qualitative research offers alternative approaches to inquiry.

Purpose of the Study:

  • To introduce qualitative research methods.
  • To differentiate qualitative from quantitative research.
  • To outline qualitative research designs and data collection.

Main Methods:

  • Overview of qualitative research principles.
  • Comparison of qualitative and quantitative methodologies.
  • Description of qualitative study designs.
  • Explanation of qualitative data collection techniques.

Main Results:

  • Qualitative research employs distinct designs and data collection methods.
  • Key differences between qualitative and quantitative research are highlighted.
  • Foundational understanding of qualitative research is established.

Conclusions:

  • This paper serves as an introduction to qualitative research.
  • Further articles will delve into sampling and data analysis in qualitative research.