onnysk
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Classical IQ Test
Need a challenging IQ quiz? Put your intelligence to the test with this mind-boggling assessment and find out how your score compares to other people!
testyourself.psychtests.com
This one's scientifically validated and converts your score into 15SD, same as WAIS-R. It was designed by Ilona Jerabek, a psychometrician who did her postdoctorate at McGill University, and a bunch of other professional statisticians, psychologists, and AI researchers. The test and score are free but you can pay $7 for a detailed report.
SUMMARY STATISTICS
https://testyourself.psychtests.com...ical_iq_lite/psychtests/classical_iq_lite.pdf
Number of Subjects: 15,884
Overall Cronbach’s Alpha: 0.91 (57 items)
Mean = 109.59
Standard Deviation = 18.67
Standard IQ Tests Compared to Psychtests’ Classical IQ Test
Cattell – Pearson’s r(56) = .67, p < .001
Stanford-Binet Intelligence Scale — Pearson’s r(109) = .70, p < .001
Raven’s Progressive Matrices — Pearson’s r(55) = .63, p < .001
Wechsler Adult Intelligence Scale (WAIS – R) — Pearson’s r(68) = .72, p < .001