After a shop began playing background music, its average spend per customer rose. The background music therefore increased how much each customer spends.
Which of the following, if true, most weakens the argument above?
Weakening Arguments — demo
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A class that switched to morning lessons scored higher in the summer exam than the year before. The morning timetable therefore improved the class's exam results.
Which of the following, if true, most weakens the argument above?
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After a restaurant printed its menu on recycled paper, its bookings went up. The recycled-paper menus therefore drew in more diners.
Which of the following, if true, most weakens the argument above?
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A rowing club bought new lightweight oars, and its crews' race times improved that season. The coach credits the new oars for the faster times. The lightweight oars caused the crews' faster race times.
Which of the following, if true, most weakens the argument above?