New psychometric evidence for the thesis advisor abuse scale (EMAT) in Peruvian university students based on classic and modern procedures

Oscar Mamani-Benito*, Maria Elena Rojas-Zegarra, Renzo Felipe Carranza Esteban, Tomás Caycho-Rodríguez, Lindsey W. Vilca, Susana K. Lingán-Huamán

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Although evidence of mistreatment toward university students in the academic field has been reported for several years, its study in the context of the development of undergraduate research is still emerging. For this reason, it is necessary to have valid and reliable measurement instruments that allow assessing the magnitude of this problem. The objective of this study was to evaluate the psychometric properties of the Thesis Advisor Abuse Scale (EMAT, for its acronym in Spanish) in Peruvian university students. A total of 753 university students (women = 57.4%) from the 3 regions of Peru participated. The internal structure was analyzed under an analytical-factorial approach, and the discrimination and difficulty characteristics of the items were evaluated from the perspective of item response theory (IRT). The findings showed evidence supporting the original three-dimensional structure. Furthermore, all the items on the EMAT have good discriminatory power. Additionally, the EMAT proved to be strictly invariant according to sex, and the reliability coefficients reached high magnitudes. It is concluded that the EMAT is an instrument that has adequate psychometric properties to be used as a measure of mistreatment by advisors in the thesis preparation processes in Peruvian university students.

Original languageEnglish
Article numbere28475
JournalHeliyon
Volume10
Issue number7
DOIs
StatePublished - 15 Apr 2024

Keywords

  • Mistreatment
  • Perú
  • Psychometric research
  • Thesis advisor

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