Dunbar Proposes That Language Evolved in Order for Humans to Manage

question 20

Multiple Choice

Dunbar proposes that language evolved in order for humans to manage large and complex groups (social networks) . What is the average social network size proposed by Dunbar?

• A) 50
• B) 150
• C) 200
• D) 300

---

Definitions:

Perfect Square Trinomial

A perfect square trinomial is a quadratic expression that can be expressed as the square of a binomial, characterized by specific relationships among its coefficients.

Perfect Square Trinomial

A trinomial expression that is the square of a binomial, characterized by having three terms where two are perfect squares and one is double the product of the square roots of those squares.

Zero-Factor Property

A principle stating that if the product of two quantities is zero, then at least one of the quantities must also be zero.

Equation

An assertion in mathematics that two expressions, often containing variables and constants, are equivalent.