Definition

1. Adjective:
   • Relating to quality or kind: Pertaining to the nature, standard, or character of something, rather than its quantity or amount.
   • Involving distinctions based on qualities: Concerned with describing or analyzing the attributes, properties, or characteristics of something.

Usage

• Used to describe research, data, analysis, or changes that focus on the inherent qualities, characteristics, or properties of a subject.
• Often contrasted with quantitative, which relates to measurement and quantity.

Examples

• Adjective:
  • The study used a qualitative approach, relying on in-depth interviews to understand patient experiences.
  • There is a qualitative difference between these two fabrics; one is silk, the other is polyester.
  • The report provided a qualitative assessment of the program's effectiveness, describing its strengths and weaknesses in detail.

Advanced Usage

• Qualitative research: A methodological approach that seeks to understand human behavior and the reasons that govern it, often through methods like interviews, focus groups, and observation.
  • Her thesis is based on qualitative research involving case studies of three organizations.
• Qualitative change: A fundamental change in the nature or character of something.
  • The transition from typewriters to computers represented a qualitative change in office work.

Variants and Related Words

• Qualitatively (adverb): In a way that relates to or involves quality.
  • The two systems differ qualitatively, not just in speed but in their core design philosophy.

Synonyms

• Descriptive: Serving or seeking to describe.
• Non-quantitative: Not expressed in or relating to numerical terms.

Antonyms

• Quantitative: Relating to, measuring, or measured by the quantity of something rather than its quality.

Related Phrases

• Qualitative data: Information that is descriptive and conceptual, often not easily measured numerically (e.g., opinions, feelings, observations).
  • The survey collected both quantitative data (ratings from 1 to 5) and qualitative data (written comments).
• Qualitative analysis: The examination of non-measurable data or the identification of components in a mixture (common in chemistry and social sciences).
  • In chemistry, qualitative analysis is used to determine what elements are present in a sample.

Adjective

1. relating to or involving comparisons based on qualities
2. involving distinctions based on qualities
   • qualitative change
   • qualitative data
   • qualitative analysis determines the chemical constituents of a substance or mixture