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Table 1 PICO categories and keywords used for study identification

From: Effects of school-based interventions on motivation towards physical activity in children and adolescents: protocol for a systematic review

Category Keywords
Population Children; youth; adolescents; students; pupils; boys; girls
Intervention Intervention; training; experiment; program; education; treatment; evaluation
School; physical education; lesson
Physical activity; exercise; sport; movement; cycling; walking
Outcome Motivation; intrinsic motivation; extrinsic motivation; amotivation; basic psychological needs; motivational climate; enjoyment
Study design Experimental/quasi-experimental design