Table 1.

A review of studies in relation to the relationship of PSD and PRS.

References	Region	Types of green space	Study type	Study aim
Peschardt and Stigsdotter (14)	Denmark	Small public urban green spaces	Cross-sectional research	The analyses were conducted to see whether the PSDs were present or not and to determine how strong or weak they were.
Memari et al. (31)	Iran	Care setting	Controlled experiments	Identifying the relationship between environmental characteristics of restorative natural environments by determining PSDs and restorative potential.
Stigsdottera et al. (29)	Denmark	Forest	Controlled experiments	Identifying which nature qualities and spatial aspects in the Health Forest promote psychological restoration.
Chen et al. (30)	China	Forest,Park,Public Square	Cross-sectional research	Exploring how the local people perceive PSDs in relation to restoration in Chinese urban green space settings.
Akpinar (28)	Turkey	Recreational areas, Neighborhood parks, Urban park, Greenway	Cross-sectional research	Investigate the associations between the PSDs of urban green space and teenagers‘ perceived restorativeness, stress, and mental health.
Malekinezhad et al. (15)	Malaysia	Campus green space	Cross-sectional research	Identifying if the association between PSD and perceived restorativeness from a user's perspective is positive.