As an expert in the field of cognitive psychology, I can tell you that the concept of a "good" IQ score can be subjective and depends on various factors, including the specific test being used and the population it's normed against.

An IQ, or Intelligence Quotient, is a score obtained from one of several different standardized tests designed to assess human intelligence. The scores are designed to be a normal distribution, with a mean of 100 and a standard deviation of 15. This means that approximately 68% of test-takers will score between 85 and 115, 95% will score between 70 and 130, and 99.7% will score between 55 and 145.

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Fast, free and accurate online IQ TestIntelligence IntervalCognitive Designation85 - 114Average (68% of test takers)115 - 129Above average130 - 144Gifted (2.3% of test takers)145 - 159Genius (Less than 1% of test takers)4 more rowsread more >>