Book tracking group forming

1. Categorize
participants as high,
medium, low profiles
based on their
reading frequency
6-7 days /week
Participant A
3-5 days /week
Participant B
less than 2 days /week
Participant C
H M L
Study starts
11/14 11/21
Recruitment
11/9
Study endsNudgesGroup forming
11/20
1 2 3 4 5
11/25

2. Divide 28
participants into
3 groups to make
each group
balanced
H
M
H H
H
M M
H
M
H
M
H
M
H
L
M
M
LL
M
H
M
M
M
M
L
M
M
Study starts
11/14 11/21
Recruitment
11/9
Study endsNudgesGroup forming
11/20
1 2 3 4 5
11/25

3. H
M
H H
H
M M
H
M
H
M
H
M
H
L
M
M
LL
M
H
M
M
M
M
L
M
M
Control Group Testing group 1 Testing group 2Assign different
nudges to different
groups
Study starts
11/14 11/21
Recruitment
11/9
Study endsNudgesGroup forming
11/20
1 2 4 53
11/25