The sampling was conducted in two stages. The first stage
consisted of the random selection of HEIs based on a sampling
frame provided by the Anisio Teixeira National Educational
Studies and Research Institute, Ministry of Education, Brazil.
According to this list, there were 2,252 Brazilian HEIs in 2008.
Only HEIs located in state capitals were sampled. Therefore,
the sampling frame was organized by the state capital to
which the HEIs belonged and then by the administrative
organization type. Afterward, a systematic selection was
performed based on a random starting point using the PPeS
(probability proportional to estimated size), technique to
select at least two public and two private HEIs from each
Brazilian state capital, based on data from the aforementioned
sampling frame and the number of students enrolled
The sampling was conducted in two stages. The first stageconsisted of the random selection of HEIs based on a samplingframe provided by the Anisio Teixeira National EducationalStudies and Research Institute, Ministry of Education, Brazil.According to this list, there were 2,252 Brazilian HEIs in 2008.Only HEIs located in state capitals were sampled. Therefore,the sampling frame was organized by the state capital towhich the HEIs belonged and then by the administrativeorganization type. Afterward, a systematic selection wasperformed based on a random starting point using the PPeS(probability proportional to estimated size), technique toselect at least two public and two private HEIs from eachBrazilian state capital, based on data from the aforementionedsampling frame and the number of students enrolled
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