If a Categorical Variable Has K Levels, the Number of Dummy

question 65

Multiple Choice

If a categorical variable has k levels, the number of dummy variables required is​

• A) ​k - 1.
• B) ​k.
• C) ​k + 1.
• D) ​2k.

---

Definitions:

Cognitive Heuristics

Shortcuts or rules of thumb that the mind uses to quickly form judgments and make decisions.

Criminal Psychology

A field of psychology that studies the motivations, intentions, and actions of individuals who commit crimes, as well as the ways in which the criminal justice system interacts with offenders.

Dispositional Attribution

The tendency to attribute someone's behavior to their internal qualities or personality, rather than external situational factors.

External Factors

Elements outside an individual or system that can influence or cause changes in behavior or outcomes.