Table 4 Table of secondary screening tools

Asperger Syndrome Diagnostic Scale

ASDS

[309]

5–18

No

Yes

50

 < 15

English and Spanish

Cost

Autism Spectrum Quotient – 50

AQ-50

[53]

16 + 

Yes

No

50

10

Multiple

Free

 Autism Spectrum Quotient – 10

AQ-10

[208]

16 + 

Yes

No

10

 < 5

Multiple

Free

Autism Spectrum Screening Questionnaire^a

ASSQ

[310]

6–17

No

Yes

27

10

English and Swedish

Free

 Autism Spectrum Screening Questionnaire – Extended Version

ASSQ-REV

[311]

6–17

No

Yes

45

N/K

English and Swedish

Free

Childhood Autism Rating Scale, Second Edition

CARS-2

[312]

2 + 

No

Yes

15

 < 10

English

Cost

Communication Checklist – Adult / Communication Checklist – Self Report

CC-A / CC-SR

[212, 213]

17–79 / 10–80

Yes

Yes

70

 < 15

English

Cost

Gilliam Asperger’s Disorder Scale

GADS

[313]

3–22

No

Yes

32

 < 10

English

Cost

Gilliam Autism Rating Scale, Third Edition

GARS-3

[314]

3–22

No

Yes

56

 < 10

English

Cost

Krug Asperger’s Disorder Index

KADI

[315]

6–22

No

Yes

32

 < 20

English

Cost

Ritvo Autism Apserger Diagnostic scale – Revised

RAADS-R

[215]

16 + 

Yes

No

80

 < 30

English

Free

 Ritvo Autism Apserger Diagnostic scale – 14

RAADS-14

[214]

16 + 

Yes

No

14

 < 10

English

Free

Social Communication Questionnaire

SCQ

[203]

2 + 

No

Yes

40

10

English

Cost

 Social Communication Questionnaire for Adults with Intellectual Disabilities^b

SCQ-AID

[316]

18 + 

No

Yes

24

 < 10

English

Cost

Social Responsiveness Scale – 2

SRS-2

[211]

19 + 

Yes

Yes

65

 < 20

English

Cost