Fig 1.
Source: Adapted from Arksey and O’Malley [42].
Fig 2.
Prisma flow diagram illustrates the process of selecting articles for review.
Table 1.
Summary of reported sadness regulation strategies.
Table 2.
Characteristics of the included studies and measures.
Table 3.
Methodological quality assessment of studies on psychometric properties of the included measures.
Table 4.
Quality of psychometric properties per study.
Table 5.
Overall quality of psychometric properties and evidence quality per instrument.
Fig 3.
Note: Analysing studies of sadness regulation by countries in the Web of Science and Scopus databases. This figure indicates the collaborations in studies related to sadness regulation among the US, China, Canada, Israel, and the UK.