What Is Multicollinearity

question 24

Multiple Choice

What is multicollinearity?

• A)When predictor variables correlate very highly with each other
• B)When predictor variables have a linear relationship with the outcome variable
• C)When predictor variables are correlated with variables not in the regression model
• D)When predictor variables are independent

---

Definitions:

Clinical Researchers

Professionals who conduct studies and trials to gain insights into health and disease, aiming to improve understanding and treatment of medical conditions.

Rosenthal Effect

Also known as the Pygmalion effect, the phenomenon in which higher expectations lead to an increase in performance; a form of self-fulfilling prophecy.

Double-Masked Study

A type of clinical trial where neither the participants nor the experimenters know who is receiving a particular treatment, reducing bias.

Selection Bias

A distortion in the outcome of a study due to non-random selection of participants, leading to an unrepresentative sample.