A testable proposition or prediction is a ; while an explanation using an integrated set of principles that organizes observations and predicts behaviors or events is a .

A testable proposition or prediction is a hypothesis; while an explanation using an integrated set of principles that organizes observations and predicts behaviors or events is a theory. 

Explanation:

The hypothesis is a proposition that establishes a relationship between the facts: a hypothesis is the establishment of a link between the facts that the researcher clarifies to the extent that he can generate logical explanations of why this link occurs.A theory is a set of interrelated structures (concepts, definitions and propositions) that present a systematic perspective of the phenomena specifying the relationships. It is the main objective of science, it is a combination that is projected in a systematic perspective of the phenomena in order to describe, explain, predict and control the phenomena.

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