Variables in ADBB form
Question# Question Field name  Response nature Response options
1 PID Number     PID ### Starts with 0 for regular tests
2 Child PID Adb_A 9### Starts with 9 with corresponding PID no
3 Initials of participant Adb_B XX  
4 Researcher Code for scoring Adb_C ##  
5 Date of test Adb_D ##-XXX-## dd-mmm-yy
6 Age of the child (months)
According to English calender
Adb_E ## months
7 Screening done by (Researcher code) Adb_F ##  
8 Clinician characterisrics Adb_G ##  
9 Infant characteristics Adb_H #  
10 Durattion of video (minutes) Adb_I ## minutes
Items 
11 Facial expression BSD_5 # Range: 0-2
12 Eye contact BSD_5_1 # Range: 0-2
13 General level of activity BSD_6 # Range: 0-2
14 Vocalization BSD_6_1 # Range: 0-2
15 Relationship BSD_7 # Range: 0-2
16 ADBB Total BSD_8_1 ## Range: 0-10
17 Remarks   TXT