José Luis Gavidia, Christian José Mariño 2021. RELIABILITY OF THE INSTRUMENT WITH CRONBACH’S ALPHA AND VALIDATION OF THE HYPOTHESIS BY ANOVA. Turkish Journal of Computer and Mathematics Education (TURCOMAT). 12, 14 (Sep. 2021), 2964–2978. DOI:https://doi.org/10.17762/turcomat.v12i14.10823.