It should be 0.3/0.5, not 0.2/0.5. RRR = (control rate - experimental rate)/control rate = 1 - exp rate/control rate = 1 - .3/.5
I would support changing that cloze to 1 - 0.3/0.5 or adding a note in the extra clarifying where 3/5 comes from
It should be 0.3/0.5, not 0.2/0.5. RRR = (control rate - experimental rate)/control rate = 1 - exp rate/control rate = 1 - .3/.5
I would support changing that cloze to 1 - 0.3/0.5 or adding a note in the extra clarifying where 3/5 comes from