Publicación Oficial de la Sociedad Ecuatoriana de Neurología, de la Liga Ecuatoriana Contra la Epilepsia y de la Sociedad Iberoamericana de Enfermedad Cerebrovascular

Test TMT

 

Trail Making Test TMT: Primera aproximación a las propiedades psicométricas en población ecuatoriana adulta. Trail Making Test TMT: First approach to the psychometric properties in the adult Ecuadorian population

Background: The Trail Making Test (TMT) is the most widely used test in Latin America to measure sustained attention (Part A) and executive function (Part B). However, the scales used show differences in the references averages between groups of populations.

Objective: To determine the referential averages of the TMT test, considering the effect of the sociodemographic factor, in order to provide normative data in Ecuadorian adult population, from 18 to 90 years of age.
Method: A quantitative method was developed, with a non-experimental design, based on psychometric techniques in a nonprobabilistic sample of a total of 1679 Ecuadorian participants . The TMT test, part A and B, was administered.

Results: 57.4% of the sample corresponded to female participants, while 42.6% consisted of male participants. The majority coming from the city of Quito (41.7%). The mean age was 34 years, and most reported higher education. The weightings of the referential averages in part A for the general sample were (M: 34.1; SD: 13.2), while in part B it was (M: 77.9; SD: 39.8). Comparing the scores obtained by gender and by age groups, no significant differences were observed; however, in the TMT-B part, the group with higher education (> 12 years) obtained a better performance, compared to the groups with fewer years of education (P=0,000).

Conclusions: the referential averages for the TMT test in the Ecuadorian population show dependence on the sociodemographic factor associated with schooling. In addition, those obtained were observed slightly below the scales provided in other Latino populations. Therefore, it suggests the construction of a referential scale for the TMT test, adapted to the Ecuadorian cultural context

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