heterosexism

n. prejudice against any nonheterosexual form of behavior, relationship, or community, particularly the denigration of lesbians, gay men, and those who are bisexual or transgender. Whereas homophobia generally refers to an individual’s fear or dread of gay men or lesbians, heterosexism denotes a wider system of beliefs, attitudes, and institutional structures that attach value to heterosexuality and disparage alternative sexual behavior and orientation. See also heteronormativity.

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Psychology term of the day

February 17th 2025

maze-bright and maze-dull rats

two groups of rats that were separated based on their performance in a standardized maze problem. Those that performed best were bred with each other, as were those that performed most poorly. Over relatively few generations, there was a complete separation in performance, with none of the maze-bright rats overlapping in scores with maze-dull rats. However, the selective breeding appeared to be specific to the maze tests that were used and did not affect learning ability more generally; moreover, maze-dull rats reared in an enriched environment (see enrichment) could perform as well as maze-bright rats.