The belief that individuals create their own knowledge by interpreting new experience in the light of past experience is a fundamental proposition of

Constructivism

Explanation:

Constructivism is a theory in education that recognizes the learners' understanding and knowledge based on their own experiences prior to entering school. It is associated with various philosophical positions, particularly in epistemology as well as ontology, politics, and ethics.

answer; researchers typically cannot control people's sexual behaviors as would be necessary in an experiment;