Theory is an organized and systematic articulation of a set of statements related to questions in a discipline. In a discipline that are communicated in a meaningful whole. Its purpose is to describe (set forth what is), explain (account for how it functions), predict (under what conditions it occurs), and prescribe (under what conditions it should occur).
Types of theories:
1. Descriptive theories
2. Explanatory theories
3. Predictive theories
4. Prescriptive theories
Level of theories:
1. grand theory/conceptual model
2. middle range theory
3.practice theory
Theoretical framework:
TF provides the structure for examining problems; serves a a guide to examine relationships between variables. the parts of a theoretical framework are construct, concepts, variable, propositions, hyppothesis and measures.
TF is a collection of interrelated concepts, like a theory but not necessarily so well worked-out. It guides your research, determines what things you will measure, and what statistical relationship you will look for.
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