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HomeHomework Helpresearch-methodsOperational Definitions

Operational Definitions

Operational definitions specify the procedures or criteria used to measure a variable in research, ensuring clarity and consistency. They allow researchers to quantify abstract concepts, facilitating empirical investigation and replication.

beginner
2 hours
Research Methods
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Overview

Operational definitions are essential tools in research that help clarify how abstract concepts are measured. By providing specific criteria for measurement, they ensure that researchers can accurately collect and analyze data. This clarity is vital for replicating studies and comparing results acro...

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Key Terms

Definition
A statement that explains the meaning of a term.

Example: A 'definition' of intelligence might be 'the ability to learn from experience.'

Variable
Any factor that can change or vary in an experiment.

Example: In a study on sleep, 'hours of sleep' is a variable.

Measurement
The process of obtaining a numerical value for a variable.

Example: Measuring height in centimeters.

Abstract Concept
An idea that cannot be directly observed or measured.

Example: Happiness is an abstract concept.

Concrete
Something that can be observed or measured directly.

Example: A concrete example of happiness could be smiling.

Research
A systematic investigation to establish facts or principles.

Example: Conducting surveys to understand consumer behavior.

Related Topics

Measurement Theory
Explores the principles and methods of measuring variables in research.
intermediate
Research Design
Focuses on planning and structuring research studies effectively.
intermediate
Statistical Analysis
Involves interpreting data and drawing conclusions from research findings.
advanced

Key Concepts

measurementvariablesclarityresearch