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Qualitative: Definition, Usage & Key Differences (2 meaning)
Meaning 1：relating to quality (qualitative)
qualitative
/ˈkwɑːlɪteɪtɪv/
adj.
Describing how good or bad something is, based on its features and characteristics, not on how many or how much there is.
relating to quality
➕
/rɪˈleɪtɪŋ tə ˈkwɒlɪti/
adj.
This sense of 'qualitative' refers to the inherent characteristics, nature, or standard of something—its goodness, badness, features, or properties—rather than its measurable amount or number.
📘 Details & Usage
📖 Root Explanation
From Latin 'qualitas' (quality, nature) + '-ative' (adjective-forming suffix), meaning 'pertaining to quality'.
💡 Mnemonic
Think 'quality' + 'adjective.' It describes the *quality* or *nature* of something, not its quantity.
📖 Example
When choosing a new phone, I focus more on its qualitative aspects, like camera clarity and battery life, rather than just its price.
When choosing a new phone, I focus more on its aspects related to quality, like camera clarity and battery life, rather than just its price.
🔗 Collocations
qualitative analysis – assessment based on qualities and characteristics rather than quantities
qualitative difference – a difference in kind or nature, not just in amount or degree
qualitative improvement – an enhancement in the standard or nature of something
🔄 Synonyms
characteristic (adj.) – relating to the distinctive qualities of something
descriptive (adj.) – serving to describe features and qualities
🚫 Antonyms
quantitative (adj.) – relating to the measurement of quantity rather than quality
🌱 Derivatives
qualitatively (adv.) – in terms of quality or characteristics
📖 Cultural Story
Derived from the Latin 'qualis,' meaning 'of what sort.' Entered English in the 15th century through medieval philosophy discussing the nature (quality) of things. It is now pivotal in research methodology, distinguishing subjective, descriptive analysis ('qualitative research') from numerical, statistical methods ('quantitative research').
Meaning 2：non-numerical research (qualitative)
qualitative
/ˈkwɑːlɪteɪtɪv/
adj.
In research, it describes methods that gather information about people's thoughts, feelings, and experiences through words and descriptions, not numbers.
non-numerical research
➕
/nɒn njuːˈmerɪkəl rɪˈsɜːtʃ/
adj.
In academic and professional research, 'qualitative' describes methods that seek to understand human behavior, opinions, and experiences through non-numerical data like interviews, observations, and textual analysis.
📘 Details & Usage
📖 Example
Our botany project used qualitative methods, interviewing gardeners to understand their personal experiences with different plant species.
Our botany project used research methods based on non-numerical data, interviewing gardeners to understand their personal experiences with different plant species.
🔗 Collocations
qualitative research – inquiry that explores phenomena through descriptive, non-statistical means
qualitative data – information collected as words, descriptions, or observations rather than numbers
qualitative approach – a methodological perspective focusing on understanding meanings and experiences
🔄 Synonyms
interpretive (adj.) – relating to understanding and explaining meanings, often in social research
phenomenological (adj.) – relating to the study of human experience and consciousness
🚫 Antonyms
quantitative (adj.) – involving data that can be counted or measured numerically
statistical (adj.) – based on the analysis of numerical data
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