%0 Systematic Review %T The Frequency of Design Studies Targeting People With Psychotic Symptoms and Features in Mental Health Care Innovation: Secondary Analysis of a Systematic Review. %A Veldmeijer L %A Terlouw G %A Van Os J %A Van 't Veer J %A Boonstra N %J JMIR Ment Health %V 11 %N 0 %D 2024 Jan 9 %M 38194249 %F 6.332 %R 10.2196/54202 %X This study examined and reflected on the frequency of people with psychotic symptoms and features as the target population in design studies for mental health care innovation.