Which of the following is NOT a primary drive?

This question delves into foundational psychological concepts of motivation. Primary drives are innate, biological needs essential for survival, such as hunger, thirst, and the need for sleep. They are unlearned and directly related to physiological states. Affection, while a powerful human need, is considered a secondary drive. Secondary drives are learned or acquired through experience and often relate to social or psychological needs.

• Hunger: A primary drive, a biological need for food.
• Thirst: A primary drive, a biological need for water.
• Curiosity: Often considered a primary drive related to exploration and stimulation, crucial for learning and survival in a broader sense.

Affection is distinct from these as it is primarily a social-emotional need, not a direct physiological one.