QUESTION TEXT: Psychologist: Some astrologers claim that our…
QUESTION TYPE: Necessary Assumption
CONCLUSION: Our horoscopes don’t completely determine our personalities.
REASONING: The psychologist found two people who weren’t twins and were born on the same day in different cities. Personality tests have shown they have different personalities.
ANALYSIS: The psychologist has shown that the two people were born on the same day. But do they have the same horoscopes?
Apart from birth dates, I don’t know if there are other factors that determine horoscopes. The psychologist is assuming that no other factors exist.
___________
- The psychologist doesn’t care whether astrologers have experimented. Whatever they’ve done, he thinks his experiment proves them wrong.
- Horoscopes aren’t supposed to differ based on cultural differences. The astrological claim is very clear: anyone with the same horoscope will have the same personality, (no matter their culture).
- CORRECT. If the two individuals had different horoscopes, then it’s not surprising they had different personalities (according to astrological theory).
- The birth records are only important because they showed the two people were born on the same day. We don’t need hospital records to be complete for all other people.
- This offers a non-astrological reason why twins have similar personalities. But this assumption isn’t necessary, as long as there is another non-astrological reason why twins are similar.
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