“…Most notably, only four were randomized control trials that utilized "gold standard" experimental methods such as random assignment and inclusion of a control group. [31,36,39,40] Two of these studies utilized designs where facilities were randomly assigned to experimental conditions and included adequate sample sizes of over 200, [39,40] whereas two studies [31,36] included random assignment of participants to conditions, but with smaller sample sizes (N = 67 and N = 33, respectively).…”