# ASQ-3

## Ages & Stages Questionnaires : Third Edition (ASQ -3)

A Parent-Completed Child Monitoring System for Social-Emotional Behaviors

**By Jane Squires, Ph.D. & Diane Bricker, Ph.D.**

## ASQ-3 AT A GLANCE

| Type of screening                         | Developmental screening                          |
|------------------------------------------|-------------------------------------------------|
| Areas screened                           | Communication, Gross Motor, Fine Motor, Problem Solving, and Personal Social |
| Age range                                | 1-66 months                                     |
| Number of questionnaires                  | 21                                              |
| Age intervals (in months)               | 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 30, 33, 36, 42, 48, 54, and 60 |
| Number of items                          | 30 per questionnaire (6 for each area screened) |
| Sample item                              | Does your child stack a small block or toy on top of another one? (18-month questionnaire, Fine Motor area) |
| Reading level of items                   | 4th to 6th grade                               |
| Who completes it                        | Parents (professionals may also if they know the child well) |
| Time to complete                         | 10-15 minutes                                   |
| Who scores it                            | Professionals (teachers, child care providers, nurses, home visitors, early interventionists, clerical staff, pediatricians, and more) |
| Time to score                            | 2-3 minutes                                    |
| Scores provided                          | 5 raw scores, one for each area               |
| What the scores tell you                 | The raw scores are compared to cutoff points for each area, which show whether the child may need further assessment, should be monitored and rescreened, or is doing well. |
| Photocopiable                             | Yes                                            |
| Languages                                 | Arabic, English, French, Spanish, and Vietnamese |
| Training                                  | Not required but encouraged! Training DVDs available for purchase as well as in-person introductory and train-the-trainer seminars through Brookes On Location. |
| Standardization sample                    | 18,527 questionnaires for 15,138 children from diverse racial and socio-economic backgrounds |
| Reliability                               | Test-retest: .92 (excellent), Inter-rater: .93 (excellent) |
| Validity                                  | .82 to .88 (excellent)                         |
| Sensitivity                               | .86 (excellent)                                |
| Specificity                               | .85 (excellent)                                |
| Years in development                      | 30 years                                       |