This study examined the psychometric properties of 11 items that were developed by Lenferink and colleagues (2022) to assess Prolonged Grief Disorder (PGD) in Experience Sampling Methodology (ESM) studies. The anonymized data is publicly available. The SPSS syntax files, R codes, and MPlus input and output files that are used for the analyses can be found under the related folders.
The findings from the study can be accessed using the following link: https://www.researchgate.net/publication/387335142_Assessing_Prolonged_Grief_Symptoms_Using_Experience_Sampling_Methodology_The_Development_of_the_Prolonged_Grief_Disorder_-_Short_Ecological_Assessment_PGD-SEA_Scale
Lenferink, L. I. M., van Eersel, J. H. W., & Franzen, M. (2022). Is it acceptable and feasible to measure prolonged grief disorder symptoms in daily life using experience sampling methodology?. Comprehensive Psychiatry, 119, 152351.