In this post, I will describe, shortly, how to use InLine scripts in E-prime to save your data in comma-separated values (CSV) files. For those who are not familiar with E-prime, it is an experiment generating software based on visual basic (i.e., it has its own scripting language called e-basic). Its main purpose is to […]
E-prime how-to: save data to csv-file using InLine scripts Read More »
PsychoPy, as I have previously written about (e.g., Free and Useful Software and PsychoPy tutorial) is really a great Python tool for creating Psychology experiments. You can write Python code by either using “code view” or importing the package in your favorite IDE. Furthermore, you can use the builder mode and just drag and drop different
PsychoPy video tutorials Read More »
in this Python and Pandas tutorial, you will learn how to calculate descriptive statistics in Python using Pandas. First, you will get a brief description of what descriptive statistics is. After that, you will get a quick answer to a the question “how can I calculate descriptive statistics in Python”. In the next subsections, we
Descriptive Statistics in Python using Pandas Read More »
Good resources for learning R as a Psychologist are hard to find. By that, I mean that there are so many great sites and blogs to learn R. Thus, it may be hard to find learning resources that target Psychology researchers. Outline The structure of this post is as follows. First, we start by getting
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R is a free and open-source statistical programming environment. Being open-source and free it has a large and helpful online community (for instance, see StackOverflow). When I went from carrying out analysis in SPSS to do them in R, I searched for good books targeted to Psychologists. In this post, you will find four great
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Do you also find it time-consuming to make your manuscripts follow American Psychological Associations (APA) guidelines? Have you searched the internet for a good .docx/.doc APA template? After reading this post, you might not have to search anymore. Papaja is an r-package that makes your manuscript conform to APA guidelines! In this post, I will
Papaja – APA manuscripts made easy Read More »
In this post you will find some really good Python Blogs and Resources. Most of these really helped me when moving from proprietary software to free and Open Source software (e.g., PsychoPy written in Python). The links are divided into two categories: general and research. In the ‘general’ category you will find good Python resources
Some good Python Blogs and Resources Read More »
In this post, I will describe the existing free Python applications and libraries for creating experiments. So far, I have only used PsychoPy, but I plan to test most of them. At least the ones that seem to be still maintained. All applications and libraries are open-source, which makes it possible to download the source
Python apps and libraries for creating experiments Read More »
In this tutorial, you will learn how to do reverse scoring in R. Specifically, we will use 1) base R to reverse selected variables (e.g., questionnaire items), and 2) we will use the Psych package. Reverse scoring Many instruments (e.g., questionnaires) contain items phrased so that a strong agreement indicates something negative (e.g., “When there
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I am getting better at writing Python code, and I am starting to feel an itch to extend my toolbox and learn more about programming. Therefore, one step in that direction is to learn a new programming language next year (i.e., 2016). I want to learn a relatively new language, and it should not be
What programming language should I learn? Read More »