Erik Marsja
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Psychomotor Vigilance Task (PVT) in PsychoPy (Free Download)

Psychomotor Vigilance Task (PVT) in PsychoPy (Free Download)

by Erik Marsja | Aug 29, 2022 | Experimental Design, Open Science, Open Source, Programming, Psychology, Psychopy, Python

In this PsychoPy tutorial, you will learn how to create the Psychomotor Vigilance Task (PVT) using some but not that much coding. However, as the setup for this test has a random interstimulus interval (ISI), we will create a Psychomotor Vigilance Test with a duration...
How to Calculate Descriptive Statistics in R the Easy Way with dplyr

How to Calculate Descriptive Statistics in R the Easy Way with dplyr

by Erik Marsja | Dec 28, 2019 | Open Science, Programming, Psychology, R

In this tutorial, you will learn how to calculate descriptive statistics in R, a fundamental tool for data analysis. Descriptive statistics provide an overview of the key characteristics of a dataset, including measures of central tendency, variability, and...
How to Use Binder and R for Reproducible Research

How to Use Binder and R for Reproducible Research

by Erik Marsja | Sep 15, 2019 | Open Science, Open Source, Programming, R

In a previous post, we learned how to use Binder and Python for reproducible research. Now, we are going to learn how to create a Binder for our data analysis in R, so it can be fully reproduced by other researchers. More specifically, in this post, we will learn how...
How to Use Binder and Python for Reproducible Research

How to Use Binder and Python for Reproducible Research

by Erik Marsja | Jul 22, 2019 | Open Science, Open Source, Programming, Python, Python in Research

In this post, we will learn how to create a binder so that our data analysis, for instance, can be fully reproduced by other researchers. That is, here we will learn how to use a tool called Binder for reproducible research. In previous posts, we have learned how to...
OpenSesame Tutorial: How to use Image Stimuli

OpenSesame Tutorial: How to use Image Stimuli

by Erik Marsja | Jan 11, 2019 | Experimental Design, Open Science, Open Source, Psychology

In this OpenSesame tutorial,l we will learn how to use images as stimuli and how to load the trials, including filenames, correct responses, and conditions, from a pre-generated CSV file. To follow this tutorial, you don’t need to know Python programming....
OpenSesame Tutorial – How to Create a Flanker Task

OpenSesame Tutorial – How to Create a Flanker Task

by Erik Marsja | Mar 26, 2017 | Experimental Design, Open Science, Open Source, Psychology

In this post, you are going to learn how to create a simple experiment using the free experiment building software OpenSesame. As I have previously written about, OpenSesame is an application based on Python for creating Psychology, Neuroscience, and Economics...
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Latest Posts

  • Sum Across Columns in R – dplyr & base April 1, 2023
  • Plot Prediction Interval in R using ggplot2 March 23, 2023
  • Probit Regression in R: Interpretation & Examples March 14, 2023
  • How to Create a Sankey Plot in R: 4 Methods March 11, 2023
  • How to Calculate Z Score in R March 5, 2023
  • How to Standardize Data in R February 26, 2023
  • How to Make a Residual Plot in R & Interpret Them using ggplot2 February 19, 2023
  • How to do a Kruskal-Wallis Test in R February 12, 2023
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