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67 Free and Secure IQ Tests  - Using the advanced Test Engine -

▼ IQ test TOP LIST 1 ▼

Processor 40 Matrices
General information
Psychometrics
Type: Spatial
40 questions
70 minutes
Cronbach's α: 070 at N61
Correlation with pro tests. r:+0.78 at N12
Norm: 1st official
Additional information
Test Author
Difficulty: Enrico Pretini



General information
Psychometrics
Type: Spatial & Numerical
30 questions
60 minutes
Cronbach's α: N/A
Correlation with pro tests. N/A
Norm: preliminary
Additional information
Test Author
Difficulty:
Calculator allowed
Andrew Hayles



Zolly's Culture Fair Intelligence Test II
General information
Psychometrics
Type: Spatial
44 questions
30 minutes
Cronbach's α: 0.90 at N75
Correlation with pro tests. r=: +0.93 at N10
Norm: 1st official
Additional information
Test Author
Difficulty: Christian Backlund



▼ IQ test TOP LIST 2 ▼

Test Of Logical Relationships
General information
Psychometrics
Type: Verbal with a small numerical part
40 questions
25 minutes
Cronbach's α: 0.85 at N35
Correlation with pro tests. 0.86 at N11
Norm: 2nd official
Additional information
Test Author
Difficulty: Dr. G. A. Grove



OCTAGON
General information
Psychometrics
Type: Spatial
40 questions
70 minutes
Cronbach's α: 0.90 at N110
Correlation with pro tests. r:+0.96 at N14
Norm: 1st official
Additional information
Test Author
Difficulty: Enrico Pretini



General information
Psychometrics
Type: Spatial
39 questions
36 minutes
Cronbach's α: 0.88 at N96
Correlation with pro tests. r:+0.98 at N13
Norm: 1st official
Additional information
Test Author
Difficulty: Anthony Lawson



▼ IQ test TOP LIST 3 ▼

General information
Psychometrics
Type: Spatial & Numerical & Verbal
30 questions
90 minutes
Cronbach's α: 0.81 at N79
Correlation with pro tests. r:+0.96 at N12
Norm: 1st official
Additional information
Test Author
Difficulty:
Calculator allowed
Andrew Hayles



General information
Psychometrics
Type: Spatial & Numerical
38 questions
40 minutes
Cronbach's α: 0.84 at N107
Correlation with pro tests. r:+0.84 at N9
Norm: 1st official
Additional information
Test Author
Difficulty:
Calculator allowed
Christian Backlund





▼ All Normal Timed Tests ▼

SAN-Test, Spatial And Numerical Test
General information
Psychometrics
Type: Spatial & Numerical
33 questions
30 minutes
Cronbach's α: 0.82 at N79
Correlation with pro tests. r:+0.94 at N12
Norm: 1st official
Additional information
Test Author
Difficulty:
Calculator allowed
Christian Backlund



General information
Psychometrics
Type: Spatial - Speed Test
42 questions
21 minutes
Cronbach's α: 0.91 at N73
Correlation with pro tests. r: +0.95 at N10
Norm: 1st official
Additional information
Test Author
Difficulty:
Christian Backlund



General information
Psychometrics
Type: Spatial & Numerical
38 questions
40 minutes
Cronbach's α: 0.87 at N95
Correlation with pro tests, r: +0.96 at N13
Norm: 1st official
Additional information
Test Author
Difficulty:
Christian Backlund



General information
Psychometrics
Type: Spatial
32 questions
27 minutes
Cronbach's α: 0.85 at N175
Correlation with pro tests, r: +0.90 at N10
Norm: 1st official
Additional information
Test Author
Difficulty:
Christian Backlund



General information
Psychometrics
Type: Perspective Speed Test
40 questions
25 minutes
Cronbach's α: 0.89 at N65
Correlation with pro tests, r: +0.96 at N7
Norm: 1st official
Additional information
Test Author
Difficulty:
Christian Backlund



General information
Psychometrics
Type: Spatial Mini Test
14 questions
20 minutes
Cronbach's α: 0.68 at N49
Correlation with pro tests, r: +0.95 at N10
Norm: 1st official
Additional information
Test Author
Difficulty:
Hans Sjöberg



General information
Psychometrics
Type: Spatial
20 questions
15 minutes
Cronbach's α: 0.75 at N169
Correlation with pro tests, r: 0.94 at N10
Norm: 1st official
Additional information
Test Author
Difficulty:
Christian Backlund



General information
Psychometrics
Type: Spatial
37 questions
60 minutes
Cronbach's α: 0.86 at N89
Correlation with pro tests, r: 0.97 at N10
Norm: 1st official
Additional information
Test Author
Difficulty:
Alexi Edin



General information
Psychometrics
Type: Spatial
18 questions
25 minutes
Cronbach's α: 0.82 at N115
Correlation with pro tests, r: 0.97 at N9
Norm: 1st official
Additional information
Test Author
Difficulty:
Hans Sjöberg



General information
Psychometrics
Type: Spatial - Speed test
40 questions
20 minutes, 30 sec per item
Cronbach's α: 0.89 at N204
Correlation with pro tests, r: +0.98 at N8
Norm: 1st official
Additional information
Test Author
Difficulty:
Christian Backlund



General information
Psychometrics
Type: Spatial
30 questions
45 minutes
Cronbach's α: 0.79 at N165
Correlation with pro tests, r: +0.98 at N10
Norm: 1st official
Additional information
Test Author
Difficulty:
Christian Backlund



General information
Psychometrics
Type: Spatial
33 questions
22 minutes
Cronbach's α: 0.86 at N408
Correlation with pro tests, r: +1.00 at N4
Norm: 1st official
Additional information
Test Author
Difficulty:
Alexi Edin



General information
Psychometrics
Type: Verbal (Language: English)
30 questions
45 minutes
Cronbach's α: 0.89 at N44
Correlation with pro tests, r: +0.95 at N8
Norm: 2nd official
Additional information
Test Author
Difficulty:
External references allowed
B.S. Loe



General information
Psychometrics
Type:Spatial
28 questions
45 minutes
Cronbach's α: 0.79 at N155
Correlation with pro tests, r: +0.91 at N8
Norm: 1st official
Additional information
Test Author
Difficulty:
Christian Backlund



General information
Psychometrics
Type: Spatial + small Numerical part
30 questions
35 minutes
Cronbach's α: 0.82 at N136
Correlation with pro tests, r: +0.99 at N6
Norm: 1st official
Additional information
Test Author
Difficulty:
Calculator allowed
Christian Backlund



General information
Psychometrics
Type: Spatial
24 questions
45 minutes
Cronbach's α: 0.74 at N229
Correlation with pro tests, r: +0.94 at N12
Norm: 2nd official
Additional information
Test Author
Difficulty:
Christian Backlund



General information
Psychometrics
Type: Numerical and Spatial
45 questions
60 minutes
Cronbach's α: 0.89 at N72
Correlation with pro tests, r: N/A
Norm: 1st official

(Deflating high IQ)
Additional information
Test Author
Difficulty:
Calculator allowed
Christian Backlund



General information
Psychometrics
Type: Spatial
22 questions
20 minutes
Cronbach's α: 0.85 at N1753
Correlation with pro tests, r: +0.97 at N18
Norm: 2nd official
Additional information
Test Author
Difficulty:
Hans Sjöberg



General information
Psychometrics
Type: Spatial
30 questions
35 minutes
Cronbach's α: 0.92 at N166
Correlation with pro tests, r: +0.90 at N22
Norm: 2nd official
Additional information
Test Author
Difficulty:
Hans Sjöberg
General information
Psychometrics
Type: Perspective
30 questions
45 minutes
Cronbach's α: 0.75 at N203
Correlation with pro tests, r: N/A
Norm: 1st official
Additional information
Test Author
Difficulty:
Hans Sjöberg

▼ All Challenging Timed Tests ▼

General information
Psychometrics
Type: Numerical
40 questions
120 minutes
Cronbach's α: 0.88 at N74
Correlation with pro tests. r:+0.86 at N7
Norm: 2nd official
Additional information
Test Authors
Difficulty:
Calculator allowed
Michael Lunardini   
James Gordon   


General information
Psychometrics
Type: Spatial
30 questions
40 minutes
Cronbach's α: 0.83 at N128
Correlation with pro tests. N/A
Norm: 1st official
Additional information
Test Author
Difficulty:
Logan Smith



General information
Psychometrics
Type: Spatial
30 questions
42 minutes
Cronbach's α: 0.88 at N573
Correlation with pro tests. r:+0.99 at N8
Norm: 2nd official
Additional information
Test Author
Difficulty:
Hans Sjöberg



General information
Psychometrics
Type: Spatial
37 questions
73 minutes
Cronbach's α: 0.84 at N94
Correlation with pro tests, r: +0.92 at N11
Norm: 2nd official
Additional information
Test Author
Difficulty:
Note: Not for color blindness!
Logan Smith



General information
Psychometrics
Type: Numerical
30 questions
60 minutes
Cronbach's α: 0.87 at N69
Correlation with pro tests, r: +0.94 at N10
Norm: 1st official
Additional information
Test Author
Difficulty:
Calculator allowed
Michael Lunardini   
Enrico Pretini   


General information
Psychometrics
Type: Verbal
30 questions
90 minutes
Cronbach's α: 0.86 at N41
Correlation with pro tests, r: +0.98 at N6
Norm: 1st official
Additional information
Test Author
Difficulty:
Miroslav Radojevic



General information
Psychometrics
Type: Spatial
41 questions
60 minutes
Cronbach's α: 0.92 at N760
Correlation with pro tests, r: +0.96 at N14
Norm: 2nd official
Additional information
Test Author
Difficulty:
Hans Sjöberg



General information
Psychometrics
Type: Spatial
33 questions
50 minutes
Cronbach's α: 0.85 at N126
Correlation with pro tests, r: 0.96 at N10
Norm: 1st official
Additional information
Test Author
Difficulty:
Logan Smith



General information
Psychometrics
Type: Numerical
32 questions
50 minutes
Cronbach's α: 0.90 at N83
Correlation with pro tests, r: 0.96 at N9
Norm: 2nd official
Additional information
Test Author
Difficulty:
Calculator allowed
Miroslav Radojevic



General information
Psychometrics
Type: Spatial
38 questions
55 minutes
Cronbach's α: 0.87 at N107
Correlation with pro tests, r: 0.98 at N12
Norm: 2nd official
Additional information
Test Author
Difficulty:
Hans Sjöberg



General information
Psychometrics
Type: Numerical
40 questions
60 minutes
Cronbach's α: 0.94 at N97
Correlation with pro tests, r: 0.97 at N8
Norm: 1st official
Additional information
Test Author
Difficulty:
Calculator allowed
Christian Backlund



General information
Psychometrics
Type: Spatial
33 questions
120 minutes
Cronbach's α: 0.70 at N73
Correlation with pro tests, r: 0.94 at N8
Norm: 1st official
Additional information
Test Author
Difficulty:
John Culkin (Assisted by H Sjöberg)



General information
Psychometrics
Type: Spatial
30 questions
45 minutes
Cronbach's α: 0.74 at N116
Correlation with pro tests, r: N/A
Norm: 2nd official
Additional information
Test Author
Difficulty:
Alexi Edin



General information
Psychometrics
Type: Spatial
32 questions
75 minutes
Cronbach's α: 0.74 at N82
Correlation with pro tests, r: N/A
Norm: 1st official
Additional information
Test Author
Difficulty:
John Culkin



General information
Psychometrics
Type: Spatial
36 questions
90 minutes
Cronbach's α: 0.90 at N220
Correlation with pro tests, r: +0.88 at N6
Norm: 1st official
Additional information
Test Author
Difficulty:
Alexander Radojski  
Jean-Mathieu Calut  


General information
Psychometrics
Type: Spatial
32 questions
64 minutes
Cronbach's α: 0.74 at N120
Correlation with pro tests, r: N/A
Norm: 2nd official
Additional information
Test Author
Difficulty:
John Culkin  
Logan Smith  


General information
Psychometrics
Type: Spatial
31 questions
40 minutes
Cronbach's α: 0.78 at N174
Correlation with pro tests, r: +0.98 at N11
Norm: 1st official
Additional information
Test Author
Difficulty:
Alexi Edin



General information
Psychometrics
Type: Spatial
30 questions
26 minutes
Cronbach's α: 0.65 at N216
Correlation with pro tests, r: +0.95 at N13
Norm: 1st official
Additional information
Test Author
Difficulty:
Alexander Radojski



General information
Psychometrics
Type: Numerical
32 questions
42 minutes
Cronbach's α: 0.86 at N173
Correlation with pro tests, r: +0.98 at N8
Norm: 1st official
Additional information
Test Author
Difficulty:
Calculator allowed
Christian Backlund



General information
Psychometrics
Type:Spatial and Numerical
25 questions
32 minutes
Cronbach's α: 0.70 at N178
Correlation with pro tests, r: +0.92 at N11
Norm: 1st official
Additional information
Test Author
Difficulty:
Calculator allowed
Christian Backlund



General information
Psychometrics
Type: Numerical
34 questions
50 minutes
Cronbach's α: α: 0.73 at N122
Correlation with pro tests, r: +0.97 at N7
Norm: 1st official
Additional information
Test Author
Difficulty:
Calculator allowed
Alexi Edin



General information
Psychometrics
Type: Spatial
38 questions
60 minutes
Cronbach's α: 0.81 at N106
Correlation with pro tests, r: +0.95 at N7
Norm: 1st official
Additional information
Test Author
Difficulty:
Alexander Radojski



General information
Psychometrics
Type: Spatial, Verbal & Numerical
30 questions
44 minutes
Cronbach's α: 0.76 at N72
Correlation with pro tests, r: +0.97 at N7
Norm: 1st official
Additional information
Test Author
Difficulty:
External references allowed Calculator allowed
Alexi Edin



General information
Psychometrics
Type: Spatial
37 questions
42 minutes
Cronbach's α: 0.80 at N132
Correlation with pro tests, r: +0.93 at N12
Norm: 2nd official
Additional information
Test Author
Difficulty:
Alexander Radojski



General information
Psychometrics
Type: Spatial
32 questions
35 minutes
Cronbach's α: 0.85 at N571
Correlation with pro tests, r: +0.96 at N21
Norm: 1st official
Additional information
Test Author
Difficulty:
Hans Sjöberg



General information
Psychometrics
Type: Spatial and Numerical
42 questions
42 minutes
Cronbach's α: 0.85 at N118
Correlation with pro tests, r: +0.95 at N15
Norm: 1st official
Additional information
Test Author
Difficulty:
Calculator allowed
Christian Backlund



General information
Psychometrics
Type: Numerical
30 questions
27 minutes
Cronbach's α: 0.82 at N173
Correlation with pro tests, r: N/A
Norm: 1st official

(Deflating high IQ)
Additional information
Test Author
Difficulty:
Calculator allowed
Hans Sjöberg



General information
Psychometrics
Type: Spatial
32 questions
35 minutes
Cronbach's α: 0.77 at N120
Correlation with pro tests, r: +0.94 at N6
Norm: official
Additional information
Test Author
Difficulty:
Alexi Edin



General information
Psychometrics
Type: Spatial
26 questions
35 minutes
Cronbach's α: 0.85 at N1230
Correlation with pro tests, r: +0.97 at N15
Norm: 3rd official
Additional information
Test Author
Difficulty:
Hans Sjöberg

▼ All Challenging Untimed Tests ▼

General information
Psychometrics
Type: Spatial
60 questions
Untimed
NOTE, work with the test document first!
Minimum 5 hours recommended
Enter answers
Cronbach's α: 0.87 at N50
Norm: 2nd official
Additional information
Test Author
Difficulty: John Culkin



General information
Psychometrics
Type: Spatial
30 questions
Untimed
Cronbach's α: 0.92 at N17
Correlation with pro tests. r:+0.99 at N5
:: Prel Norm here ::
Additional information
Test Author
Difficulty:
Work with the Document & Files first.
5 - 10 hours recommended. You don't
have to solve all Questions to submit.

Send the answers to [email protected]
Hans Sjöberg



General information
Psychometrics
Type: Numerical
40 questions
Untimed
Cronbach's N/A
Correlation with pro tests. N/A
Norm: N/A
Additional information
Test Author
Difficulty:
Calculator allowed
Untimed, NOTE, work with the test document first!
Minimum 15 hours recommended
Enter answers



Alfredo Leggieri



General information
Psychometrics
Type: Spatial and Numerical
40 questions
Untimed
Cronbach's α: N/A
Correlation with pro tests. r: N/A
Norm: Preliminary
Additional information
Test Author
Difficulty:
Untimed, NOTE, work with the test document first!
Minimum 10 hours recommended
Enter answers


Enrico Pretini



General information
Psychometrics
Type: Numerical and Verbal
60 questions
Untimed
Cronbach's α: N/A
Correlation with pro tests. r: N/A
Norm: Preliminary
Additional information
Test Author
Difficulty:
Untimed, NOTE, work with the test document first!
Minimum 10 hours recommended
Enter answers


Michael Lunardini   
Enrico Pretini   
James Gordon   


General information
Psychometrics
Type: Spatial
30 questions
Untimed
Cronbach's α: 0.67 at N30
Correlation with pro tests. r: +0.86 at N6
Norm: 1st official
Additional information
Test Author
Difficulty:
Untimed, NOTE, work with the test document first!
Minimum 10 hours recommended
Enter answers


John Culkin



General information
Psychometrics
Type: Numerical
50 questions
Untimed
Cronbach's α: 0.94 at N61
Correlation with pro tests. r: +0.87 at N11
Norm: 2nd official
Additional information
Test Author
Difficulty:
Untimed, NOTE, work with the test document first!
Minimum 15 hours recommended
Enter answers


Michael Lunardini   
Enrico Pretini   


General information
Psychometrics
Type: Numerical
21 questions
Untimed
Cronbach's α: 0.90 at N48
Correlation with pro tests. r: N/A
Norm: Preliminary
Additional information
Test Author
Difficulty:
Untimed, NOTE, work with the test document first!
Minimum 3 hours recommended
Enter answers


Juan Carlos Delgado



General information
Psychometrics
Type: Numerical
31 questions
Untimed
Cronbach's α: N/A
Correlation with pro tests. r: N/A
Norm: preliminary
Additional information
Test Author
Difficulty:
Untimed, NOTE, work with the test document first!
Minimum 10 hours recommended
Enter answers


Jonas Tuckus



General information
Psychometrics
Type: Verbal
30 questions
Untimed
Cronbach's α: 0.93 at N50
Correlation with pro tests. r: +0.85 at N7
Norm: 2nd official
Additional information
Test Author
Difficulty:
Untimed, NOTE, work with the separate file first!
10 hours recommended
Enter answers


Miroslav Radojevic



General information
Psychometrics
Type: Numerical
40 questions
Untimed
Cronbach's α: 0.91 at N79
Correlation with pro tests. r: +0.78 at N17
Norm: 3rd official
Additional information
Test Author
Difficulty:
Untimed, NOTE, work with the separate file first!
5 hours recommended
Enter answers


Logan Smith



General information
Psychometrics
Type: Numerical
30 questions
Untimed
Cronbach's α: 0.90 at N54
Correlation with pro tests. r: N/A
Norm: 1st official
Additional information
Test Author
Difficulty:
Untimed, NOTE, work with the test document first!
Minimum 5 hours recommended
Enter answers


John Culkin  
Valeria Lanari  


General information
Psychometrics
Type: Mixed
20 questions
20 minutes , manually timed
Cronbach's α: N/A
r: N/A
Norm: N/A
Additional information
Test Author
Difficulty:
¤ Do the test manually ¤
Send the answers to [email protected]
Karan Sharma



▼ Puzzles not with accurate IQ norm ▼

General information
Psychometrics
Type: Spatial & Numerical
25 questions
35 minutes
Cronbach's α: N/A
Correlation with pro tests N/A
Norm: N/A
Additional information
Test Author
Difficulty:
Calculator allowed
Christian Backlund



General information
Psychometrics
Type: Spatial & Numerical
34 questions
75 minutes
Cronbach's α: 0.87 at N134
Correlation with pro tests N/A
Norm: Deflated norm
Additional information
Test Author
Difficulty:
Calculator allowed
John Culkin



General information
Psychometrics
Type: Spatial
48 questions
35 minutes
Cronbach's α: N/A
Correlation with pro tests N/A
Norm: Deflated norm
Additional information
Test Author
Difficulty:
Christian Backlund



General information
Psychometrics
Type: Spatial & Numerical
37 questions
45 minutes
Cronbach's α: 0.89 at N100
Correlation with pro tests N/A
Norm: Deflated norm
Additional information
Test Author
Difficulty:
Calculator allowed
Christian Backlund



General information
Psychometrics
Type: Spatial
22 questions
38 minutes
Cronbach's α: 0.75 at N72
Correlation with pro tests r: +0.93 at N8
Norm: N/A
Additional information
Test Author
Difficulty:
John Culkin








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