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← Older revision		Revision as of 15:39, 8 March 2024
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	Exploratory Factor Analysis is a valuable tool for researchers seeking to understand the underlying structure of a set of observed variables and identify the latent constructs that drive the observed relationships. By reducing the dimensionality of the data, EFA can help researchers develop more parsimonious theories, create valid and reliable measurement instruments, and enhance the understanding of complex phenomena.		Exploratory Factor Analysis is a valuable tool for researchers seeking to understand the underlying structure of a set of observed variables and identify the latent constructs that drive the observed relationships. By reducing the dimensionality of the data, EFA can help researchers develop more parsimonious theories, create valid and reliable measurement instruments, and enhance the understanding of complex phenomena.
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		+	== See Also ==
		+	*[[IT Strategy (Information Technology Strategy)]]
		+	*[[IT Governance]]
		+	*[[Enterprise Architecture]]
		+	*[[Chief Information Officer (CIO)]]
		+	*[[IT Sourcing (Information Technology Sourcing)]]
		+	*[[IT Operations (Information Technology Operations)]]
		+	*[[E-Strategy]]
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		+	== References ==
		+	<references />

← Older revision		Revision as of 18:41, 15 April 2023
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−	~~'''Content Coming Soon'''~~	+	Exploratory Factor Analysis (EFA) is a statistical technique used in the social sciences, psychology, and other fields to identify and analyze the underlying structure of a set of observed variables. The primary goal of EFA is to reduce the dimensionality of the data by identifying a smaller set of latent factors or constructs that can explain the patterns of correlations among the observed variables.
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		+	EFA is an exploratory technique, meaning that it is used when there is little or no prior knowledge about the structure or relationships among the variables being studied. It is often used in the early stages of research to generate hypotheses and inform the development of theories, scales, or measurement instruments.
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		+	The basic steps in conducting an Exploratory Factor Analysis are as follows:
		+
		+	#Collect data: EFA requires a dataset containing responses or measurements on multiple observed variables, typically collected from a sample of participants or subjects.
		+	#Assess suitability: Before proceeding with the analysis, it is essential to ensure that the data is suitable for factor analysis. This typically involves examining measures of sampling adequacy, such as the Kaiser-Meyer-Olkin (KMO) statistic, and assessing the correlations among the observed variables.
		+	#Extract factors: There are several methods for extracting factors, such as Principal Component Analysis (PCA) or Principal Axis Factoring (PAF). These methods aim to identify the smallest number of factors that can account for the maximum amount of variance in the data.
		+	#Determine the number of factors: Several criteria can be used to determine the appropriate number of factors to retain, including eigenvalues, scree plots, or parallel analysis. The goal is to select a number of factors that best represents the underlying structure of the data while avoiding over-extraction or under-extraction.
		+	#Rotate factors: Factor rotation is a technique used to simplify the interpretation of the factor loadings (i.e., the correlations between the observed variables and the factors). There are two main types of rotation: orthogonal rotation (e.g., Varimax), which assumes the factors are uncorrelated, and oblique rotation (e.g., Promax), which allows the factors to be correlated.
		+	#Interpret the factors: Once the factors have been extracted and rotated, researchers can interpret the factors by examining the factor loadings and identifying the observed variables that load highly on each factor. These loadings can help researchers assign meaning to the factors and understand the underlying constructs they represent.
		+	#Validate the factor structure: After identifying the factor structure, it is essential to validate it using additional samples or data. This can involve conducting a Confirmatory Factor Analysis (CFA), which tests the hypothesized factor structure using a separate dataset or sample.
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		+	Exploratory Factor Analysis is a valuable tool for researchers seeking to understand the underlying structure of a set of observed variables and identify the latent constructs that drive the observed relationships. By reducing the dimensionality of the data, EFA can help researchers develop more parsimonious theories, create valid and reliable measurement instruments, and enhance the understanding of complex phenomena.

Exploratory Factor Analysis (EFA) - Revision history

User at 15:39, 8 March 2024

User at 18:41, 15 April 2023

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