Most tests use a standard deviation of 15. A score between 85 and 115 is considered average, while scores above 130 typically qualify for high-intelligence societies.
Legitimate online versions of tests like the Mensa Practice Test or those based on Raven’s Progressive Matrices provide more reliable data because they use normed scoring . This means your results are compared against a large, representative sample of the population. How To Take Iq Tests Online
Check if the test penalizes for incorrect answers . If there is no penalty, it is statistically advantageous to provide an educated guess for every question before time expires. Interpreting the Results Most tests use a standard deviation of 15