Hard A public dashboard shows a sharp improvement after a scheme began, but no comparison group or baseline is given. What is the main analytical limitation? AThe improvement is necessarily fabricated BAll schemes have identical effects CA baseline is irrelevant to evaluation DThe change cannot confidently be attributed to the scheme from that chart alone EA chart can never show a trend Report a problem with this question What is wrong? The marked correct answer is wrongAn option is wrong or repeatedSpelling or wording mistakeSomething else Details (optional) Send report