【题文】 Parents often believe that they have good relationship with their teenagers. But last summer Joanna and Henry noticed a change in their older son. Suddenly he seemed to talk far more to his friends than to his parents. "The door to his room is always shut," ...
So: • Is this scientist right -- and what does "right" mean, anyway? • Can you think of even one different explanation that works as well or better? • Did the test really, really, truly, unquestionably, completely test what the author thought he was testing? • Is the ...