Skip to content
Prep
Freely
Home
TOEFL
IELTS
Guides
Log in
Sign up
P
Account
Profile
My progress
Settings
Log out
TOEFL
/
Listening practice
/ Section 6ZS5
Listen to a Conversation
Listen to a conversation.
Listen
39. Why is the discovery a problem?
A
The absences are related to the change, so ignoring them would bias the result.
B
The remaining data are too few to analyse.
C
The wording change cannot now be reversed.
D
The session will have to be repeated with new participants.