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Luz H. Ospina, PhD

Research Scientist

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Nov 6, 2022

The Authoritarian Personality: A Basic Machine Learning Regression Model

Let us continue with our first machine learning model! What is Machine Learning? What exactly is machine learning? According to Arthur Samuel, a pioneer in computer science and artificial intelligence, machine learning is "the field of study that giv...


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Oct 21, 2022

The Authoritarian Personality: Statistical Tests

Now that we've prepared our dataset, we can start to run some basic statistical tests to better understand how our variables relate to the right-wing authoritarianism (RWA) personality.  We can begin by importing our dataset and some of our Python lib...


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Sep 18, 2022

The Authoritarian Personality: Preparing your Data

To enhance my statistical and programming know-how, I set out to find data sets that would interest and/or be relevant to psychological researchers and utilize new (to me) programming languages.  One great resource I found, Open Psychology Data, inclu...


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Aug 15, 2022

The Effect of Positive Emotions on Cognitive Performance

Traditionally, psychologists who study emotion have primarily focused on understanding negative emotions and their effects on mental and physical health. For example, researchers studied emotions such as sadness, anger, stress and anxiety particularly ...


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