It Has Been Suggested That the Fraternal Birth-Order Effect Is

question 3

Multiple Choice

It has been suggested that the fraternal birth-order effect is a result of

• A) erotic plasticity.
• B) refractory periods.
• C) a maternal immune response.
• D) mass-media norms.

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Definitions:

Predicate Class

A class defined by a property that its members share, which is often specified by a predicate in logic or mathematics.

Universal

Pertaining to all members or elements in a given group or category without exception.

Copula

A word used to link the subject of a sentence with a predicate (a subject complement), such as the verb 'to be' in many contexts.

Abstract

A summary or an overview of the main points of a scientific work, document, or article.