In Using a Regression Model,if a New Independent Variable Is

question 38

Multiple Choice

In using a regression model,if a new independent variable is added,the value of R² (the coefficient of multiple determination) will ___________ decrease.

• A)Always
• B)Sometimes
• C)Never

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Definitions:

Experimental Laboratory Study

A controlled study conducted in a lab setting where variables are manipulated to observe their effect on other variables.

Naturally Occurring

Refers to events, phenomena, or processes that exist or take place without human intervention.

Qualitative Research

A research strategy that focuses on understanding phenomena from a subjective, holistic perspective, often using narrative data.

Investigating New Topics

The process of exploring and researching subjects or areas of knowledge that are unfamiliar or have not been previously studied.