PsychoPy This post will describe why I prefer using PsychoPy before other software. When I started getting involved in research (i.e., when doing my Bachelor’s and Masters’s theses), I used the software that was accessible to me. That is, some of the most commonly used software in the department I was studying at. After starting […]
Free & Useful Software – PsychoPy Read More »
I have created a PsychoPy script for the Sustained Attention to Response Task (SART) and a Vigilance Task. Both of the tasks are very similar. In SART, the task is to press the keyspace as fast and accurately as possible on all targets (digits 1, 2, 4–9) except for one (digit 3). In the Vigilance
Sustained Attention Task in PsychoPy Read More »
This rather long (counting the Python code) tutorial assumes that you are interested in scraping data off the web using Scrapy. It might also be limited to Linux. Installing scrapy Here is how to install a Python package using pip: Note, if you need to you can also use pip to install a specific version
Collecting data with Scrapy Read More »
In this post, we will learn how to reverse scores in Python. Reversing questionnaire scores is easy; this post is concise. Why you Need to Reverse Code We sometimes want to reverse the scoring when working with questionnaires that use a Likert scale (e.g., strongly disagree, disagree, neutral, agree, strongly agree). For instance, in a
Reverse Scoring in Python with Pandas Read More »
In this post you will find a Python script for randomizing conditions with constraints (i.e., never 2 consecutive trials of X). This script will in a later post be implemented in a cross-modal oddball task created in Psychopy. I recently started to use Psychopy to build experiments. To build my experiments (mainly oddball tasks) I
Python script for trial randomization Read More »