A researcher seeks to understand the reasons that a person uses drugs. Which approach is the researcher MOST likely to adopt?

A) single-trait
B) many-trait
C) essential-trait
D) typological

Single-trait Approach

The single-trait approach in psychology focuses on one particular trait to determine its impacts and how it interacts with various behaviors and outcomes.

Many-trait Approach

A method in personality psychology that examines a wide range of traits to understand the complexity of human behavior.

Essential-trait Approach

This approach focuses on identifying the most critical and fundamental personality traits that can comprehensively describe human behavior.