A Regression Model Exhibits Unobserved Heterogeneity If _____

question 12

Multiple Choice

A regression model exhibits unobserved heterogeneity if _____.

• A)there are unobserved factors affecting the dependent variable that change over time
• B)there are unobserved factors affecting the dependent variable that do not change over time
• C)there are unobserved factors which are correlated with the observed independent variables
• D)there are no unobserved factors affecting the dependent variable

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Definitions:

Primary Caregiver

Refers to the main person responsible for the care and upbringing of a child or the care of someone who is ill or disabled.

Attachment

A strong emotional bond that develops between individuals, crucial in child development for a sense of security and safety.

Sensorimotor Stage

The Sensorimotor Stage is the first of Piaget's stages of cognitive development, ranging from birth to about age 2, where infants learn about the world through their senses and actions.

Piaget's Theory

A developmental theory by Jean Piaget that explains how children construct a mental model of the world through stages including sensorimotor, preoperational, concrete operational, and formal operational.