Information and IdeasHardUsing two rows of data for one claim
Information and Ideas practice question
Average final mark, by main study method, in a survey of 200 students:
Flashcards: 74
Re-reading notes: 66
Practice tests: 81
Group study: 70
A teacher claims that students who studied by retrieving information from memory — using flashcards or practice tests — averaged higher marks than students who used the other methods. Which choice most effectively uses data from the table to support the claim?
- A. Both flashcard users (74) and practice-test users (81) averaged higher than re-readers (66) and group-study students (70).Correct
- B. Practice-test users averaged 81, the highest mark of the four groups.
- C. Re-readers averaged 66, the lowest mark of the four groups.
- D. Group-study students averaged 70, higher than re-readers.
Answer: A. Both flashcard users (74) and practice-test users (81) averaged higher than re-readers (66) and group-study students (70).
The claim is about BOTH retrieval methods beating BOTH other methods. Only choice A cites all four figures and shows that pattern.
Why the other answers are wrong
- B. Practice-test users averaged 81, the highest mark of the four groups.
- This covers only one of the two retrieval methods; the claim includes flashcards too.
- C. Re-readers averaged 66, the lowest mark of the four groups.
- This says nothing about the retrieval methods at all.
- D. Group-study students averaged 70, higher than re-readers.
- This compares the two non-retrieval methods with each other, which is irrelevant to the claim.
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