A minister argues that because literacy rose after his new scheme began, the scheme raised literacy. Which, if true, most weakens this argument?
ALiteracy is valuable for the economy
BLiteracy had been rising steadily for a decade before the scheme
CThe scheme was costly to administer
DThe minister is personally popular
Answer & Solution
Correct answer: B. Literacy had been rising steadily for a decade before the scheme
A pre-existing decade-long rising trend means the scheme need not have caused the increase, weakening the claim.
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