Evidence of content validity for a measure of mindfulness

Authors

DOI:

https://doi.org/10.5433/2236-6407.2018v9n3p102

Keywords:

psychological tests, mindfulness, positive psychology

Abstract

Mindfulness is a quality of awareness that arises by paying attention, intentionally and with a non-judgmental stance, to the experiences that arise in the present moment. This study aimed to investigate the relevance of the items for assessing mindfulness in relation to the conceptual model and to analyse items’ transparency for the target-population. Items were submitted to expert (N=3) and semantic (N=16) analyses. Agreements between pairs of experts were assessed through the concordance index (CI) and kappa coefficient. Data from semantic analysis received qualitative treatment. Items that received CI lower than 50% were excluded. After this exclusion, the 145 items that remained presented moderated general agreement between experts (k=.51, p<.05) and satisfactory concordance index (75%). We conclude that the comprehension of the components of mindfulness is divergent among specialists. However, the retained items seem to represent adequately their correspondent construct and to be understandable for the target-population, suggesting content validity evidences for the scale.

Author Biographies

Jeferson Gervasio Pires, Universidade Federal de Santa Catarina

PhD student in Psychology at the Graduate Program in Psychology at UFSC

Carlos Henrique Sancineto da Silva Nunes, Universidade Federal de Santa Catarina

PhD in Psychology from the  Universidade Federal do Rio Grande do Sul. Adjunct professor at the Department of Psychology at the Federal University of Santa Catarina. Associate professor at the Department of Psychology at the Universidade Federal de Santa Catarina

Maiana Farias de Oliveira Nunes, Universidade Federal de Santa Catarina

PhD in Psychology with an emphasis on Psychological Assessment by Universidade São Francisco. Associate Professor of the Department of Psychology at the Universidade Federal de Santa Catarina

Maria Luiza Bianchi, Universidade Federal de Santa Catarina

Psychology student at the Federal University of Santa Catarina

Mônica Monteiro Kotzias, Universidade Federal de Santa Catarina

Psychology student at the Federal University of Santa Catarina

Giovania Mitie Maesima, Universidade Federal de Santa Catarina

Psychology student at the Federal University of Santa Catarina

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Published

2018-10-08

How to Cite

Pires, J. G., Nunes, C. H. S. da S., Nunes, M. F. de O., Bianchi, M. L., Kotzias, M. M., & Maesima, G. M. (2018). Evidence of content validity for a measure of mindfulness. Estudos Interdisciplinares Em Psicologia, 9(3), 102–122. https://doi.org/10.5433/2236-6407.2018v9n3p102

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Section

Original Articles