When Predicting Y from Two Variables Relative to Using Only

question 89

Multiple Choice

When predicting Y from two variables relative to using only one variable, _________.

• A) prediction accuracy always increases
• B) prediction accuracy is dependent on the relationship between the second variable and the Y variable
• C) increase in prediction accuracy depends on the correlation between the two predictor variables
• D) b and c

---

Definitions:

Food Aversion

A strong dislike or unwillingness to eat certain foods, often developed after a negative experience with the food.

Classical Conditioning

This teaching method repeatedly combines two stimuli; over time, a response once elicited by the second stimulus becomes elicited by the first stimulus in isolation.

Aggressive Behavior

Acts that can cause physical or emotional harm to others, or the intention to hurt others.

Free Play

Unstructured playtime where children engage in activities of their choosing without direct adult guidance or instruction, critical for development.