An organized system of assumptions and principles that purports to explain a specified set of phenomena and their interrelationships is called a(n) _______________.
A) hypothesis
B) operational definition
C) research design
D) theory

Question

Quizplus · Accepted Answer

A theory is a systematic and organized set of principles that tries to explain a particular phenomenon or set of phenomena. It is more comprehensive and broader than a hypothesis, and it has undergone extensive testing and research. An operational definition refers to defining a variable in a specific and measurable way, while a research design is the plan or strategy for conducting research.

An Organized System of Assumptions and Principles That Purports to Explain