Purpose: This study documented the efficacy of visual-acoustic biofeedback intervention for residual rhotic errors, relative to a comparison condition involving traditional articulatory treatment. All participants received both treatments in a single-subject experimental design featuring alternating treatments with blocked randomization of…

Motivating adolescents to participate in exercise and physical activity is becoming increasingly important due to a rise in obesity but can be prevented through Physical Education. A quasi-experimental design, grounded in the Self-determination theory, was utilised to assess the impact of an intervention using wrist-worn digital physical activity…