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Psychometric equivalence of printed and electronic administration of three psychosocial scales.
The purpose of the study was to examine the influence of the format of administration (printed versus electronic) of psychosocial scales on their psychometric properties and the measurements obtained. University students (N = 435) completed three short and one-dimensional scales, which evaluated opt...
The purpose of the study was to examine the influence of the format of administration (printed versus electronic) of psychosocial scales on their psychometric properties and the measurements obtained. University students (N = 435) completed three short and one-dimensional scales, which evaluated optimism, gratitude, and subjective well-being, in printed (52%) or electronic (48%) format. It was found that the mean scores of the three scales did not differ significantly when comparing both modes of application; overall, both electronic and paper instruments provided results with similar properties of reliability and validity. When analyzing the measurement invariance, comparing the model without constraints in the factor structure with the different models with invariance, the measures were equivalent in printed and electronic formats. It was concluded that the format of administration does not affect the indices obtained, so they could be used interchangeably.
