Development of the Multi-Dimensional Measure of Online Disinhibition and examination of its validity and reliability

This study aimed to develop the Multi-Dimensional Measure of Online Disinhibition (MMOD) which has a multi-dimensional perspective on the psychological processes that cause online disinhibition and evaluate its validity and reliability. In study 1, 73 items related to online disinhibition were generated from 20 semi-structured interviews. The expression of the items was modified repeatedly according to two preliminary surveys. The results showed that 25 items were screened out as preliminary MMOD. In study 2, 4-factor construction and 3-factor construction were compared according to the exploratory and confirmatory factor analysis. Finally, 3-factor (Unique perspective on online environment, change of alienation cognition and change of relationship cognition) and 12 items of the MMOD was confirmed. Correlation analysis with the prior scales showed that MMOD has good validity.