Use a Magnet Test without Overgeneralizing - Practice 1

Some materials are strongly attracted to an ordinary magnet and others are not.

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Some materials are strongly attracted to an ordinary magnet and others are not. Do not assume every metal behaves the same. Use the fictional test observations here, not an untested guess about a sample.

Worked example

A test records attraction for A and none detected for B. That supports the result for A under the test, not a rule that all shiny things attract.

Would you believe it?

Not every metal is strongly attracted to an ordinary magnet. A shiny surface alone is not a reliable magnet test.

Question 1 Fictional test: sample A moved toward the magnet; sample K showed no detected attraction. Which report is supported? A was attracted in this test. K was definitely attracted. All shiny objects are attracted.

Question 2 Fictional test: sample B moved toward the magnet; sample L showed no detected attraction. Which report is supported? L was definitely attracted. All shiny objects are attracted. B was attracted in this test.

Question 3 Fictional test: sample C moved toward the magnet; sample M showed no detected attraction. Which report is supported? All shiny objects are attracted. C was attracted in this test. M was definitely attracted.

Question 4 Fictional test: sample D moved toward the magnet; sample N showed no detected attraction. Which report is supported? D was attracted in this test. N was definitely attracted. All shiny objects are attracted.

Question 5 Fictional test: sample E moved toward the magnet; sample O showed no detected attraction. Which report is supported? O was definitely attracted. All shiny objects are attracted. E was attracted in this test.

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