Khaïr-Eddine completed his secondary studies in Casablanca and then worked for the government in Agadir, helping to restore order after an earthquake there.
After completing his secondary studies at the Nancy lycée, Barrès went to Paris to study law but instead turned to literature.
Secondary studies are those commonly known as reviews or surveys.
However, there is a lack of secondary studies that consolidate these researches.
Regarding the definition of study types, we considered both primary and secondary studies, including technical reports6.
Exclusion criteria: Retrospective design studies, case reports, studies using lingual fixed appliances, and secondary studies.
We use a dummy for workers with completed secondary studies and another dummy for college graduates.
As presented in this section, the reviewed secondary studies exploit some specific issues of semantics-concerned text mining researches.
Related work: we considered studies cited as related work in both primary and secondary studies found in the search engines.
Once the exclusion criteria 1 to 3 were applied, secondary studies were removed, which were only three: [11, 28, 40].
According to our search, over 101 secondary studies have been published in the area of software testing since 1994.
