Frequently Asked Questions

Q: Is the IDA-2 Reliable and Valid

A: Yes. Reliability coefficients for the Provence Profile domain scores are generally quite high, ranging from .90 to .96 for ages 1 to 18 months and .78 to .96 for ages 19 to 36 months. Inter-rater reliabilities range from .91 to .95 for seven of the eight domains and .81 for the remaining domains.

Q: Is the IDA-2 an approved measure for meeting the IDEA/Part C assessment criteria?

A: Yes. The IDA-2 is Criterion Referenced and meets the assessment criteria required by IDEA/Part C and is consistent with the National Task Force on Screening and Assessment of the National Early Childhood Technical Assistance System (NECTAS) guidelines.

Q: What are the qualifications needed for administering the IDA-2

A: IDA-2 is administered by experienced professionals in the full range of developmental disciplines including: child development specialists, early childhood special educators, early intervention professionals, nurses and nurse practitioners, occupational and physical therapists, speech and language pathologists, physicians (pediatricians, family practice, child psychiatrists), physician assistants, psychologists, social workers, audiologists & nutritionists.

Those who provide assessments using the IDA-2 function as ‘developmental generalists’ and also contribute the expertise of their own discipline throughout the assessment process. While those administering the IDA-2 may begin with different professional backgrounds, practice, and experience, the IDA-2 provides a valid and reliable assessment that will have the same result regardless of discipline.

Q: Where is IDA-2 used?

A: The IDA-2 is used in a wide range of agencies and practices including primary health care centers, neonatal follow up programs, early Head Start, Birth to Three/IDEA Part C and other early intervention programs, family programs, behavioral health clinics and programs, rehabilitation centers, schools, nursing agencies, infant toddler early care centers, and many others.

Q: Is IDA-2 Training required?

A: The IDA-2 the authors strongly advise that users be trained for effective validity and reliability. Training is offered by the IDA Institute through the IDA-2 Online Course or in live webinars and on-site Seminars.

Q: Is the IDA-2 available in Spanish?

A: Yes, the IDA-2 Record Form for scoring the Provence Profile, and the IDA-2 Parent Report Form.


Experts recommend the IDA Infant Toddler Developmental Assessment as a Best Practice Measure