Mark buys a pair of running shoes that is said to improve the user's speed. When he uses these shoes, he runs faster than he usually does. "It works!" he tells his friend. What causal claim (if any) is stated or implied in Mark's conclusion?

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The Answer of Mark buys a pair of running shoes that is said to improve the user's speed. When he uses these shoes, he runs faster than he usually does. "It works!" he tells his friend. What causal claim (if any) is stated or implied in Mark's conclusion?

Mark Buys a Pair of Running Shoes That Is Said