The First Clear Sign of Happiness in Infants Is

question 89

Multiple Choice

The first clear sign of happiness in infants is:

• A)the expression of love toward the mother.
• B)the social smile.
• C)laughter.
• D)smiling.

---

Definitions:

Homeostasis

The regulatory process by which biological systems tend to maintain stability while adjusting to conditions that are optimal for survival.

Overjustification Effect

The phenomenon where providing excessive external rewards for an already internally rewarding activity leads to a decrease in intrinsic motivation.

Overjustification Effect

The phenomenon in which rewarding a person for performing an activity actually decreases their intrinsic motivation to perform that activity.

Externality Hypothesis

A theory suggesting that individuals attribute their success to internal factors and failures to external factors, often explored within the context of social psychology and self-perception.