If There Are Three Independent Variables X₁, X₂, and X₃

question 12

True/False

If there are three independent variables x₁, x₂, and x₃ available, then the value of R² for a multiple regression of y using x₁, x₂, and x₃ will always be smaller than the value of r² for a multiple regression of y using just x₁.

---

Definitions:

Social Identity Theory

A theory stating that individuals derive part of their identity and self-esteem from the social groups to which they belong.

Self-concept

An individual's collection of beliefs about their own attributes, abilities, and characteristics.

Ego

The aspect of self that directs one’s thoughts and actions.

Solo Status

The situation in which an individual is the only representative of their social group in a specific context, often increasing visibility and pressure on the individual.