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 P638
Listen to an Academic Talk
Listen to part of a talk.
Listen
44. What is the main point?
A
An undetected difference proves identical groups in every respect.
B
Uncertain results cannot inform any decision.
C
Failure to detect a difference must be interpreted through study limits and remaining possibilities.
D
Small studies always show large benefits.