-Distribution of PQ scholarships.

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... our evaluation of distribution of PQ over Brazil, we confirm what has been observed in other fields ( Sacco et al. 2016) that there is a very high concentration of PQ researchers in a very small number of states in Brazil (57% of productivity grants is to researchers in only 3 out of 27 states in the Brazilian federation (see Figure 1). When comparing PQ level and productivity, we were surprised to verify that the lower the PQ level, the greater number of publications in journals with higher level of quality (see Figure 2). ...

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... extracted and analyzed data from 185 researchers/professors from 2017 to 2021, 5 years. Figure 1 shows the number of PQ scholarships granted to these professors. According to CNPq, the higher the classification level of the scholarship, the more is expected of the researcher, not only in the production of quality research but also in the formation of human resources, a research trajectory with impactful results, and peer recognition. ...

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... a journal may require multiple revisions over the time of one or more years. Therefore, there is a slightly superior number of papers published in conferences than in journals, as we can see in Figure 10. Over the 5 years (2017)(2018)(2019)(2020)(2021), on average, for each paper published in a journal, a total of 1.57 papers are published in conferences. ...

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... from the analysis of publications, it can be seen that the number of students of each researcher has small variation for each PQ scholarship level, as shown in Figure 11. The most notable exceptions occur in the highest PQ scholarship level, PQ-1A, where one researcher presents an excessive number of students, while another researcher has none. ...

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... many did not have enough time as hired professors in a university to enter the graduate program or to mentor graduate students. According to Figure 12, researchers at the highest PQ scholarship level dedicate themselves more to mentor graduate students. Even among them, it is possible to notice a small imbalance, mainly in the issue of ongoing mentoring. ...

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... important aspect is related to the mentoring of undergraduate students, which is mainly carried out by professors on the PQ-2 scholarship level. Figure 13 shows the distribution of the number of students supervised by each researcher concerning the year they obtained their Ph.D. As previously discussed, most researchers at lower levels of the PQ fellowship have been actively engaged in mentoring undergraduate students, in the hopes that they become master students soon. ...

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... this data, we were able to build a co-author network, where two researchers (nodes) are connected if they share a publication in common (edge). Figure 14 shows the co-author network obtained. Most connected researchers are located at the same university or universities within the same region (e.g., São Carlos with UFSCar and USP/SC, Rio de Janeiro with UFF, UERJ, and LNCC). ...