Definition

1. Verb:
   • To divide or classify into two mutually exclusive or contradictory groups or categories: The core meaning of "dichotomise" is to split a concept, group, or set of data into two sharply distinct and often opposing parts.

Usage and Examples

• Verb:
  • The researcher chose to dichotomise the survey responses into "satisfied" and "dissatisfied." (The researcher decided to split the responses into only two categories.)
  • It is an oversimplification to dichotomise human behavior as purely good or evil. (It is too simple to split behavior into just two opposing kinds.)
  • The political debate often dichotomises the issue into a choice between economic growth and environmental protection. (The debate frequently frames the issue as a strict choice between two opposing options.)

Advanced Usage

• "to dichotomise a variable": In statistics and research, this refers to transforming a continuous variable (like age or income) into a binary variable (like young/old or high/low income).
  • For the analysis, we had to dichotomise the age variable into "under 40" and "40 and over."
• Conceptual Dichotomising: The act of creating a strict binary opposition in thought, which can sometimes be reductive.
  • His thinking tends to dichotomise complex social issues, ignoring the many shades of gray in between.

Variants and Related Words

• Dichotomize (verb): The preferred spelling in American English. It has the same meaning as "dichotomise."
• Dichotomy (noun): A division or contrast between two things that are represented as being opposed or entirely different.
  • The dichotomy between theory and practice is a common theme.
• Dichotomous (adjective): Characterized by or based on a division into two parts.
  • The test uses a dichotomous key for identifying species.

Synonyms

• Polarize: To cause to concentrate about two conflicting or contrasting positions.
• Bifurcate: To divide into two branches or parts.
• Binary: Relating to, composed of, or involving two things.

Antonyms

• Unify: To make or become a single unit.
• Integrate: To combine one thing with another so they become a whole.
• Synthesize: To combine various components into a coherent whole.

Verb

1. divide into two opposing groups or kinds