When a baby shows excitement, which of the following behaviors is most likely to be observed?

• A. Remaining still and expressionless
• B. Smiling and energetic limb movements
• C. Turning away and avoiding eye contact
• D. Crying with a frown

Answer: (B)

Verified step by step guidance

1. Understand that in developmental psychology, babies express emotions through observable behaviors that reflect their internal states.
2. Recognize that excitement in babies is typically shown through positive and active behaviors rather than passive or negative ones.
3. Identify that 'smiling' is a common facial expression associated with positive emotions like excitement in infants.
4. Note that 'energetic limb movements' indicate increased arousal and engagement, which align with feelings of excitement.
5. Conclude that among the options, 'Smiling and energetic limb movements' best represent the behavioral signs of excitement in a baby.