Fig. 4From: Contextual interference in children with brain lesions: a pilot study investigating blocked vs. random practice order of an upper limb robotic exergameAdherence to the study protocol. *The Test of Nonverbal Intelligence – Fourth edition (TONI-4) was performed at any day between familiarisation (appointment 1) and randomisation. Hence, the TONI-4 appointment was either the second or the third appointment, and the same applies to the second assessment block on t3. **Participant who dropped out after appointment 7 due to illness was included in the analysis with incomplete dataset. Abbreviations: t = time pointBack to article page