Test	Source	Age range	Average administration time (minutes)
Ages and Stages Questionnaires	http://agesandstages.com	1 month to 5 ½ years	15 to 20
Battelle Developmental Inventory, 2nd Edition	http://riverpub.com/products/bdi2/index.html	12 months to 7 years, 11 months	10 to 30
Bayley-III Screening Test	http://www.pearsonassessments.com/HAIWEB/Cultures/en-us/Productdetail.htm?Pid=015-8027-256	1 month to 3 ½ years	15 to 25
Child Development Inventory	http://www.childdevrev.com/page15/page17/cdi.html	15 months to 6 years	30 to 50
Cognitive Adaptive Test and Clinical Linguistic and Auditory Milestone Scale	http://www.brookespublishing.com/resource-center/screening-and-assessment/the-capute-scales	1 month to 3 years	5 to 20
Denver Developmental Screening Test	http://www.denverii.com	Birth to 6 years	10 to 20
Early Language Milestone Scale	http://www.proedinc.com/customer/productView.aspx?ID=784	Birth to 3 years	1 to 10
Infant Development Inventory	http://www.childdevrev.com/page7/page16/idispecialists.html	Birth to 18 months	1 to 10
Newborn Behavioral Observations System	http://www.brazelton-institute.com/clnbas.html	Birth to 3 months (corrected age)	5 to 10
Parents' Evaluation of Developmental Status	http://www.pedstest.com/default.aspx	Birth to 8 years	2 to 5
Vineland Adaptive Behavior Scales, 2nd Edition (Vineland-II)	http://psychcorp.pearsonassessments.com/HAIWEB/Cultures/en-us/Productdetail.htm?Pid=Vineland-II	Birth to 90 years	20 to 60