Reliability and validity of a Human Capital selection instrument

Abstract

The objective of this research is to analyze a test model of integrity and trust for the selection of human talent in organizations. To assess the reliability and validity of the test, two types of analysis were used. The first was done with classical theory models using the statistics Cronbach Alpha and Kuder-Richardson 2.0. The second is done using the Item Response Theory (IRT) through the Rasch model using the R software. The exam is done focusing on organizational psychopathy. The evidence shows reliability and validity in the analyzed, both for the questions and for the individuals examined. Rach model provides valuable information at the level of questions and subjects to have a better instrument. This research provides bidirectional knowledge i) in the personality tests applied in the organization and ii) by showing a methodology that can be used in any questionnaire to validate your answers.