The question asks about a curriculum that emphasizes student choice, self-actualization, and happiness in learning, and we need to identify which educational perspective this reflects.

Let's analyze the options:

1. Behavioristic Perspective: This perspective focuses on observable behaviors and the ways they can be changed through use of rewards and punishments. It does not typically focus on student choice or self-actualization.
2. Humanistic Perspective: This perspective emphasizes the individual's inherent drive towards self-actualization and creativity. A humanistic curriculum focuses on personal growth, self-expression, and the development of individual potential. It aligns closely with the emphasis on student choice and happiness in learning.
3. Cognitive Perspective: This perspective is concerned with understanding the mental processes involved in learning, such as thinking, memory, and problem-solving. While it values the cognitive development of students, it does not focus on self-actualization and personal happiness as primary objectives.
4. Sociocultural Perspective: This perspective emphasizes the role of social interaction and cultural context in learning, suggesting that learning is influenced by the society and culture in which it occurs. It focuses more on collective interaction rather than individual choice.

Based on the analysis above, the Humanistic Perspective is the correct answer, as it specifically centers on choices, self-actualization, and happiness as key components of education.