“…Other examples are studies showing that individual differences in trait facets are relatively stable across periods of 2 weeks [57, 235], 4 months [285], and more than 1 year [286]. Further issues that have been addressed include measurement invariance or item bias due to age [287,288], gender [217,289], and clinical status [290]; response styles in PID-5 self-reports [154,155,291,292]; heritability and familial aggregation of maladaptive traits [39,289,[293][294][295]; and perceived likability, impairment, functionality, as well as desire and ability for change of maladaptive traits [68,158,[296][297][298].…”