Assumption
Quick practice
Question 1 of 5
Which of the following, if true, would weaken the study's conclusion?
A
The study duration was relatively short, consisting of only one academic year.
B
The students who engaged in regular exercise showed better physical fitness levels.
C
The study findings contradicted previous research conducted on elementary school students.
D
The study included a small sample size of only 20 students.
E
The study participants had a high baseline level of academic achievement.
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