“… 43 , 53 , 54 , 65 , 71 , 74 , 78 , 79 , 81 Thirty-one interventions were evaluated by RCTs. 20 , 21 , 23 , 26 , 35 , 36 , 38 , 42 – 44 , 49 – 51 , 53 , 54 , 57 , 59 , 64 , 65 , 67 , 68 , 71 – 76 , 78 – 81 Eleven studies were evaluated by using a quasi-experimental design; 24 , 25 , 33 , 34 , 39 , 41 , 45 , 47 , 55 , 60 , 61 5 of the 11 used a pretest-posttest design. 24 , 25 ...…”