Psychology

Extern Validitet: Vad det är – Definition och Exempel

I en tidigare bloggpost undersökte vi reliabilitet och validitet generellt inom kognitionsvetenskapen. I denna post kommer vi rikta vår uppmärksamhet mot ett specifikt begrepp- extern validitet. Vi kommer kort gå igenom vad denna typ av validitet innebär och hur det används i den vetenskapliga processen. Låt oss nu fördjupa oss i i denna typ av […]

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Report Correlation in APA Style using R: Text & Tables

In this post, you will learn how to report correlation according to APA. Adhering to APA (American Psychological Association) guidelines is important wen you report your analysis and write up your results . Whether you are conducting research in psychology, cognitive hearing science, or cognitive science, APA style is often required by journals and conferences.

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descriptive statistics in R

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

In this post, we will learn how to calculate summary statistics in R. Specifically, we will learn how to calculate the standard deviation, mean (trimmed, harmonic, geometric), variance, IQR, quantiles. etc. We will learn how to save the summary statistics as latex (so we can output it to a nice table in a PDF, for instance), and how to save it as a csv file.

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OpenSesame Tutorial: How to use Image Stimuli

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. However, we will generate the CSV file using a short Python script. This can

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Flanker task - a simple psychology experiment

OpenSesame Tutorial – How to Create a Flanker Task

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 experiments. It offers a nice and easy-to-use interface.  In this interface, you can drag and

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Python Video Tutorial: Creating a Flanker Task using Expyriment

In this video you learn how to create a Flanker task using the Python package Expyriment. If you don’t know Expyriment it is an open-source library. You can program your experiments and run on Linux, Windows, and OS-x computers and Android devices. In the tutorial you will get familiar with Expyriment and get to create

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Exploring response time distributions using Python

Inspired by my post for the JEPS Bulletin (Python programming in Psychology), where I try to show how Python can be used from collecting to analyzing and visualizing data, I have started to learn more data exploring techniques for Psychology experiments (e.g., response time and accuracy). Here are some methods, using Python, for visualization of

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