The Denver Developmental Screening Test was revised in order to increase its detection of language delays, replace items found difficult to use, and address the other concerns listed. There are 125 items over the age range from birth to six years.
The Denver Developmental Screening Test underwent revisions to improve its ability to detect language delays, making it easier to use and addressing any issues that were present in the original version.  It now includes 125 items for children aged from birth to six years old.