In a Multiple Regression Model,as a Result of Adding a New

question 80

Multiple Choice

In a multiple regression model,as a result of adding a new independent variable,as s ___________,the length of the prediction interval for y will _________.

• A)Increases,always increase
• B)Decreases,sometimes decrease
• C)Increases,never increase
• D)Decreases,always increase
• E)Increases,always decrease

---

Definitions:

Conscientiousness

A personality trait characterized by being organized, responsible, and thorough; one of the Big Five personality traits.

Introversion

A personality trait characterized by a preference for solitary activities and inward-focused experiences, as opposed to seeking stimulation from external sources.

Anxiety

An emotion of anxiety or restlessness, often experienced in anticipation of a forthcoming event or due to the unpredictable nature of its result.

Snowball Sampling

A non-probability sampling technique where existing study subjects recruit future subjects from among their acquaintances, thus the sample group appears to grow like a rolling snowball.