“…At Tier 2, the theoretical model recommends a monthly assessment in addition to the initial and final assessments. In this tier, evaluation was maintained at the beginning and at the end of instruction [26,34,49,53], with intermediate evaluations, either every week [39,42,54] or every two weeks [28]. Other studies chose to evaluate participants every three weeks [32,35,43], monthly [45,47], bimonthly [27,29,31,44], or quarterly [36].…”