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CASRAI

Definition · Plain-language

Conceptual framework

A conceptual framework is a visual or written map of the key concepts in a study and the expected relationships between them, showing how the researcher thinks the variables connect.

CASRAI research-methods explainer — Conceptual framework

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A map of concepts and relationships

A conceptual framework lays out the main concepts or variables a study addresses and how the researcher expects them to relate — frequently as a diagram with boxes and arrows showing presumed influences. It is the researcher’s working model of the problem: it makes explicit what will be studied, which factors are thought to affect which, and where the boundaries of the investigation lie. By setting this out before data collection, the framework guides the research questions or hypotheses, clarifies which variables to measure, and gives readers a clear picture of the reasoning behind the design.

Conceptual versus theoretical framework

The conceptual and theoretical frameworks are related but distinct, and the terms are often confused. A theoretical framework draws on one or more established theories to provide the broad lens through which a topic is viewed — the general principles that situate the study in existing knowledge. A conceptual framework is narrower and more specific: it is the researcher’s own model for a particular study, often operationalising a theoretical framework into the concrete concepts, variables and expected relationships that study will examine. Put simply, the theoretical framework supplies the theory; the conceptual framework applies it to this study.

Its role in a review and study

A conceptual framework typically emerges from the literature review: by synthesising what is known, the researcher identifies the relevant concepts and the relationships worth testing, and assembles them into a coherent model. The framework then threads through the study — shaping the questions, justifying the variables and structuring the analysis and discussion. In a thesis or paper it gives the work internal consistency, helping ensure the methods answer the questions and the conclusions speak to the concepts introduced. A clear conceptual framework is therefore both a product of the review and a tool that holds the rest of the study together.

Key facts

At a glance

  • Definition: a map of a study’s key concepts and their expected relationships
  • Form: often a diagram of concepts or variables linked by arrows
  • Scope: specific to one study, not a general theory
  • Versus theoretical: the theory provides the lens; the conceptual model applies it
  • Source: usually developed from the literature review
  • Role: guides questions, variables, analysis and the study’s internal logic

Common misconceptions

What people often get wrong

Often heard: A conceptual framework and a theoretical framework are the same thing.

Actually: They differ in scope. A theoretical framework draws on established theory to provide a broad lens; a conceptual framework is the researcher’s own, study-specific model of the concepts and relationships being examined, often built by applying a theory to one study.

Often heard: A conceptual framework must always be an elaborate diagram.

Actually: It is the logic that matters, not the format. A conceptual framework can be expressed visually or in prose; the essential thing is that it clearly identifies the key concepts and the expected relationships between them.

Often heard: You write the conceptual framework only after collecting and analysing your data.

Actually: A conceptual framework is normally developed before data collection, growing out of the literature review. It guides the questions, the variables to measure and the analysis — so it shapes the study rather than merely describing it afterwards.

Referenced across the research world

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