PARA REFLEXÃO ADICIONAL:
Four commentaries on the use of students and professionals in empirical software engineering experiments. Robert Feldt, Thomas Zimmermann, Gunnar R. Bergersen, Davide Falessi, Andreas Jedlitschka, Natalia Juristo, Jürgen Münch, Markku Oivo, Per Runeson, Martin Shepperd, Dag I. K. Sjøberg, Burak Turhan