Fictional Results from a Workers' Randomized Control Trial
A 2-by-2 table, with a column for each group and a row for the diagnosis.
data("RCT_table")
RCT_table
#>            Group
#> Diagnosis   Treatment Control
#>   Sick             71      30
#>   Recovered        50     100
Other effect size datasets: 
Music_preferences,
Music_preferences2,
Smoking_FASD,
food_class,
hardlyworking,
rouder2016,
screening_test