Jerome Kagan Studied Emotional Reactivity in Infants

question 105

Multiple Choice

Jerome Kagan studied emotional reactivity in infants.His findings showed ______.

• A) Infants with higher emotional reactivity seemed stunned and barely moved when presented with a novel stimulus such as a mobile.
• B) High-reactive infants at age 4 months often displayed aggression at 14 months or 21 months when faced with a novel situation.
• C) Parenting interventions between 4 months and 14 months transformed the reactivity of certain subjects.
• D) Emotional reactivity was stable from 4 to 21 months.

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Definitions:

Evolutionary Psychologists

Scientists who study the psychological adaptations of humans to the changing physical and social environment, particularly from an evolutionary perspective.

Mutations

Changes in the DNA sequence of an organism's genes, which can lead to variations in physical traits or biological functions.

Social Isolation

A state where an individual lacks a sense of social belonging, social engagement, and fulfilling relationships.

Dizygotic Development

The biological process resulting in the birth of two or more offspring from the same pregnancy with each developing from a separate egg fertilized by its own sperm, also known as fraternal twinning.