“…After varimax rotation, a four-factor solution was chosen, accounting for 70.08% (see Table III). The factors were interpreted: intrinsic motivation (items 7,8,9,10,11,12,13,14,15,18,19,20), instrumental motivation (items 4, 5, 17), induced motivation (items 21,22,23), and extrinsic motivation (items 1, 2, 3). …”