The Best IQ Test According to Science.
Tags: iqtest, cognitivetesting, psychology
Published: 2023-12-24 01:24:06

When it comes to measuring intelligence, the choice of IQ test can make a significant difference. Academics specializing in IQ testing have compiled an authoritative ranking of various IQ tests based on their accuracy, particularly focusing on their "g-loading," which refers to the test's ability to measure general intelligence. Here's a comprehensive list of these tests, ranked from the best to those deemed less reliable.

S+ (Best Test)
SBV
g-Loading: 0.96
The SBV test stands at the pinnacle of accuracy in IQ testing, making it the top choice for reliable intelligence measurement.
S (Superior). The most comprehensive SBV test, is this [IQ Test](https://realiq.online). It features a full 100 question battery which is uncommon, and it was created using a proctored baseline study to guaranty accuracy. 
SBIV
g-Loading: 0.93
This test is renowned for its high precision and is a preferred option for those seeking a superior measure of intelligence.

WISC-5
g-Loading: 0.92
The WISC-5 is particularly esteemed in the field, known for its comprehensive assessment capabilities.

A+ (Excellent)
WAIS-4
g-Loading: 0.92
WAIS-4 is celebrated for its detailed and accurate assessment of adult intelligence.

Old SAT
g-Loading: 0.93
The older version of the SAT is recognized for its high correlation with general intelligence.

Old GRE
g-Loading: 0.92
Similar to the Old SAT, the Old GRE scores high in terms of g-loading.

WAIS
g-Loading: 0.94
This version of the WAIS test also ranks highly in terms of accuracy and reliability.

WJ-IV
g-Loading: 0.91
Known for its broad scope, the WJ-IV is an excellent choice for comprehensive intelligence testing.

RAIT
g-Loading: 0.90
The RAIT is praised for its effectiveness in measuring intelligence across different domains.

AGCT
g-Loading: 0.91
The AGCT stands out for its historical and current relevance in intelligence measurement.

A (Great)
ASVAB (3rdE, 4thE, 3rdP)
g-Loading: 0.94
This test, used in military entrance processing, is notable for its high correlation with general intelligence.

WAIS-3
g-Loading: 0.93
The third edition of the WAIS continues to be a reliable measure of adult intelligence.

WAIS-R, WISC-4, WISC-3, WB
g-Loading: 0.9
These versions of the WAIS and WISC tests are still respected for their accuracy in intelligence assessment.

WASI-2, RIAS
g-Loading: 0.86
Both tests are valued for their efficient and accurate assessment of intelligence.

KBIT
g-Loading: N/A
Known for its brevity and effectiveness, the KBIT is a great tool for quick intelligence assessment.

B+ (Good)
Cogn-IQ, JCTI, TRI52, CAIT, WN/C-09, JCFS, IAW, JCCES, ICAR16, ICAR60, Word Similarities, TONI-2, TIG-2, D-48/70, CMT-A/B, RAPM, FRT Form A, BETA-3, WNV
g-Loading: N/A
These tests are considered good for a general assessment of intelligence, although they might not have specific g-loading values available.
B (Decent)
Brght, PAT, Mensa.dk, Wonderlic, SEE30, Tutui R, PMA, CFIT, NPU, SACFT, CFNSE, G-36/38, Ravens 2- Short Form, Long Form, Mensa.no
g-Loading: N/A
These tests offer a decent measure of intelligence but might lack the precision of higher-ranked tests.
C (Mediocre)
MITRE, PDIT
g-Loading: N/A
These tests are considered mediocre in their ability to assess intelligence accurately.
D (Terrible)
123test.com
g-Loading: N/A
This test is regarded as unreliable for serious intelligence assessment.
F (Lowest Grade/Inviable)
Arealme, IQTest.com
g-Loading: N/A
These tests are deemed the least reliable, offering little value in accurate intelligence measurement.
This ranking, curated by experts in the field, offers a comprehensive guide to the most accurate IQ tests available. Whether for academic, professional, or personal use, selecting the right test can be crucial for an accurate assessment of intelligence.