01 Dec 2016 / Leonardo Barichello

This photo was taken on Poděbrady, Czech Republic, a lovely small city that I visited for a conference during last summer.

types of coffee

The drawing was in the door of a coffee shop that was, unfortunately, closed during my visit.

OpenQDA, an open software for qualitative data analysis

11 Nov 2016 / Leonardo Barichello

I am a user of free software since 2004 and a big enthusiast of the idea both in a practical and ideological sense. It has been more than 10 years since I do not need windows and I try to contribute with free software as often as I can.

When I realized my Ph.D research would be based on qualitative data, I noticed that I would have problems to find a free (open, libre) software to help me in the process. After some research, I decided to develop a software with one immediate and one long-term goal:

  • Help me to organize and analyse the qualitative data collected in my Ph.D. research (images);
  • Be constructed in such way that can be extended to support other typical sources of qualitative data (such as text, audio and video) in a simple and open format.

This was my background project during the last 10 months. I would say I have spent about 40 hours of coding in it and, fortunately, I was able to get to a stage where it does most of the things I need and it may be useful to other researchers. That is why I decided to make it public:

It is far from a full featured software, but I am incorporating more features progressively and it can already be combined with Nvivo via the scripts developed by BarraQDA. more info here.

Hopefully, this software will evolve to a free alternative to Nvivo!

Hypocrisy (hipocrisia)

18 Oct 2016 / Leonardo Barichello

(Português) Tirinha adaptada de Gostou? Leia mais em


(English) Comic strip adapted from Enjoyed? Read more at (in Portuguese).


Linear number board games and low income young children’s numerical knowledge

21 Sep 2016 / Leonardo Barichello

The paper Promoting Broad and Stable Improvements in Low-Income Children’s Numerical Knowledge Through Playing Number Board Games explores the effect of playing linear number board games in young children’s numerical knowledge paying particular attention to the socio-economical status of the children.

The paper reports two experiments. The design of the first study is pretty straight forward: experimental design (randomized controlled trial) with a control group (playing a similar game with colours instead of numbers) taking into account age, achievement in a pre-test and socio-economic status as dependent variables and achievement in a post-test and delayed post-test as independent variables. The conclusion is that playing the linear number board games for as little as 1 hour (divided into 5 sessions) affected positively the results in the post-tests and these results remained statistically relevant after 9 weeks.

The second study had a different aim: investigate the correlation between playing linear number board games at home and results in the pre-test. The motivation behind this study is related to the perception that low-income students have less experience with some sort of activities at home that could affect positively their learning (such as linear number board games, as shown by the first study). The data came from the pre-test of the first study and from a self-report from the students considering some popular games for children. The authors confirmed the positive effect: students that reported playing games that could be considered a linear number board game presented higher scores in the pre-test.

The authors synthesizes their conclusion as follows:

All these findings converged on two conclusions. First, differing experience with board games is one source of the gap between the numerical knowledge of children from more and less affluent backgrounds when they enter school. Second, this gap can be reduced by providing children from low-income backgrounds experience playing number board games.

My questions would be:

  • Why linear number board games are not being widely adopted in pre-schools?
  • Why nobody is trying to replicate the results in different contexts?

In my opinion, this seems to be a study very replicable and with a great potential to impact classroom practices with relatively low costs. Therefore, it is hard to understand why it does not receive more attention from the academic community.


Ramani, Geetha B., and Siegler, Robert S. . "Promoting broad and stable improvements in low‐income children’s numerical knowledge through playing number board games". Child development 79.2 (2008).

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