| Measure Description | Source of measure | www.theswyc.org |
| Mode of administration | Parent report | |
| Age range for use | 2-60 months | |
| Domains Assessed | Cognitive, language, motor, emotional, behavioral; family contextual risk | |
| Related Measures | SWYC consists of Developmental Milestones checklists, the Baby Pediatric Symptom Checklist (BPSC), the Preschool Pediatric Symptom Checklist (PPSC), the Parent's Observations of Social Interactions (POSI), and Family Questions | |
| Burden | Training needed to administer | None |
| Minutes to complete | 5-10 Minutes | |
| # of items | 33-46 (ranges across 12 age-specific forms) | |
| Cost | Free | |
| Adaptation for AIAN use | Adapted | No |
| Developer allows adaptation? | To Family Questions only, with stipulations (see FAQ at www.theswyc.org) | |
| Used with AIAN populations? | Yes | |
| Psychometrics | Norm-referenced | Yes |
| AIAN: Cronbach's alpha range | Not yet available | |
| AIAN: Evidence of validity | Not yet available. Whitesell, Sarche, Trucksess, et al (2015) examined the feasibility of the SWYC for use in AIAN communities. They concluded that the content of the SWYC should be examined in regard to its cultural fit for a particular tribal community, and more research is needed to validate its appropriate use in tribal communities. | |
| Other populations: Cronbach's alpha range | Cronbach's alpha = .69 to .92 across subscales (per developer, Sheldrick, Henson, Neger, Merchant, Murphy, Perrin, 2012; Sheldrick & Perrin, 2013). Sheldrick and Perrin (2013) present additional data supporting the measure's reliability. |
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| Other populations: Evidence of validity | The SWYC relates in expected ways (convergent validity) to the Ages and Stages Questionnaire, the Child Behavior Checklist, and the Modified Checklist for Autism in Toddlers (Sheldrick & Perrin,2013; Smith, Sheldrick, & Perrin, 2013) |
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| Source | Developer | Ellen Perrin and Chris Sheldrick, Tufts University |
| Link | floatinghospital.org | |
| Summary | Comments about sensitivity to change | This is a screening measure; sensitivity to change is likely to be limited |
| General remarks | The SWYC is a free, brief, accessible and comprehensive screener for early developmental concerns. Qualitiative research with AIAN communities (Whitesell et al, 2015; https://www.ncbi.nlm.nih.gov/pubmed/26312600) indicated that it is likely to be a good fit in general, but research is needed to understand its reliability and validity in this population. |