A statistical tool to use when the results are not significant (with example in R)

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Photo by Brett Jordan on Unsplash


How to reduce parameters with Exploratory Factor Analysis

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Photo by Isaac Smith on Unsplash

Differences Between EFA and PCA

Model difference


How measurement invariance can improve your statistical inferences regarding human subjects

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Photo by Charles Deluvio on Unsplash


How to ensure your measure of psychological traits has validity

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Photo by Celpax on Unsplash


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Estatística em um laptop. Imagem de Carlos Muza


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Edited Photo of Volodymyr Hryshchenko on Unsplash.


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Photo by William Warby on Unsplash

Avaliar a dimensionalidade de uma série de indicadores de maneira a identificar o menor número de traços latentes que explica o padrão das correlações (Osborne, 2014).


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Linear System Representation. Image from Sage Tutorial.
  • Matrices and Vectors in ℝⁿ
  • Linear Systems
  • Matrices and operations in linear systems
  • Operations with Matrices
  • Solving Linear Systems
  • Matrix-vector product and Dot Product


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Image from Wikipedia.

1. Vectors

About

Rafael Valdece Sousa Bastos

Bachelor in Psychology from PUC-Rio. https://rafavsbastos.wixsite.com/website

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