Complex sentence: The STAIC (a downward extension of the STAI) can be administered to children up to junior high school level (aged 9-12 years), and if necessary, the items can be verbally read to younger children.
Split into simpler sentences: The STAIC (a downward extension of the STAI) can be administered to children up to junior high school level (aged 9-12 years). If necessary, the items can be verbally read to younger children.