Services for Families of Infants and Toddlers Experiencing TraumaA Research-to-Practice Brief
Bibliographic record
Abstract
Infancy is a time of extreme opportunity, but it is also a time of extreme vulnerability, particularly for those reared in high-risk environments.1–2 Although infant exposure to any risk is important to understand, in this brief, we focus on the experience and impact of trauma, defined as witnessing or experiencing an event that poses a real or perceived threat.3 Despite their young age, infants and toddlers are exposed to trauma at high rates. A recent study of young children documented that one quarter of children under the age of 4 years have experienced or witnessed a traumatic event.4 There is evidence that young children living in high-poverty communities are even more susceptible to trauma exposure.5–6 Beginning life in the context of trauma places infants and toddlers on a compromised developmental path.7–9 Because of this, the impact of trauma on infants and toddlers can be particularly harmful.5,10 On the other hand, the developmental plasticity (i.e., the potential for developmental change in response to the environment) during this early period of life may allow infants and toddlers to rebound from these traumatic experiences, particularly if they experience stable, nurturing caregiving.8,11
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.009 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.005 | 0.001 |
| Scholarly communication | 0.001 | 0.002 |
| Open science | 0.002 | 0.005 |
| Research integrity | 0.003 | 0.003 |
| Insufficient payload (model declined to judge) | 0.038 | 0.003 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".