Table 2. Characteristics of the contextual interference (CI) programs.
Programs Weeks Total sessions Session time (min) Description
LCI 3 6 25 Only one previously known skill. One orientation internal paced
skill exercises with prearranged distance.
MCI 3 6 25 Two previously known skills. Two orientations internal paced
skill exercises with prearranged distance.
HCI 3 6 25 Immediate answer after stimulus with two or more possible skills.
External paced skills according to perceived signals.
Auditory stimulus and discrimination on the numbers and colours.
VCI 3 6 25 Traditional games of tag in small field (15 m width × 25 m length)
CG 3 6 25 Body language games without movement contents
LCI: low contextual interference; MCI: moderate contextual interference; HCI: high contextual interference, VCI: variable contextual interference; CG: control group.