In the Exemplar Study About Mealtime RAA Insulin Practices (Lampe

In the exemplar study about mealtime RAA insulin practices (Lampe et al., 2014) , which of the following actions assured good quality data?

A) They used data collectors who worked on the units where data was collected.
B) They trained the data collectors and assessed the inter-rater reliability between them.
C) Only persons who achieved high Cronbach's alpha scores were used as data collectors.
D) Each event was record by two data collectors who were blind to each other's ratings.