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

▼ IQ test TOP LIST 1 ▼

union - 34 verbal analogies
General information
Psychometrics
Type: Verbal
34 questions
34 minutes 		Cronbach's α: N/A
N/A
Norm: Preliminary 11/15/2019
Additional information
Test Author
Difficulty: Hans Sjöberg
ZDT pro version
General information
Psychometrics
Type: Spatial
33 questions
30 minutes 		Cronbach's α: 0.92 at N77
Correlation with pro tests and RIQ r:+0.85 at N42
Norm: 1st official
Additional information
Test Author
Difficulty: Christian Backlund
Zolly's Dot Test
General information
Psychometrics
Type: Spatial
33 questions
20 minutes 		Cronbach's α: 0.91 at N75
Correlation with pro tests and RIQ r:+0.91 at N24
Norm: 1st official
Additional information
Test Author
Difficulty: Christian Backlund

▼ IQ test TOP LIST 2 ▼

Processor 40 Matrices
General information
Psychometrics
Type: Spatial
40 questions
70 minutes 		Cronbach's α: 0.88 at N141
Correlation with pro tests and RIQ r:+0.93 at N41
Norm: 2nd official
Additional information
Test Author
Difficulty: Enrico Pretini
General information
Psychometrics
Type: Spatial & Numerical
30 questions
60 minutes 		Cronbach's α: 0.78 at N58
Correlation with pro tests. r= +0.88 at N=18
Norm: 1st official
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 3 ▼

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


▼ All Normal Timed Tests ▼

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
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: 0.70 at N141
Correlation with pro tests, r: +0.70 at N13
Norm: 2nd 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: 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: 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. r:+0.90 at N16
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: 0.84 at N129
Correlation with pro tests, r: +0.91 at N14
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: 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
33 questions
Untimed 		Cronbach's α: N/A
Correlation with pro tests, r: N/A
Norm: N/A
:: Prel Norm here ::
Additional information
Test Author
Difficulty:
Work with the Document first.
More than 10 hours recommended.

Send the answers to [email protected] 		John Culkin
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
Correlation with pro tests, r: +0.85 at N22
Norm: 2nd official
Additional information
Test Author
Difficulty: John Culkin
General information
Psychometrics
Type: Spatial
30 questions
Untimed 		Cronbach's α: 0.93 at N27
Correlation with pro tests and RIQ. r:+0.89 at N17
:: 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: 0.91 at N36
Correlation with pro tests and RIQ. r: +0.95 at N14
Norm: 1st official
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 to pro tests and RIQ, r=+0.89 at N=24
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  


▼ 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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