Attuned parents miss the cue half the time and it barely matters
Infant researchers put a number on how often even good caregivers get it wrong, and the number should be a relief.
In the 1970s, developmental psychologist Edward Tronick built an experiment now known as the still-face paradigm: a parent plays normally with their infant, then suddenly holds a blank, unresponsive expression for a short stretch before resuming as usual. Infants notice immediately. They escalate — smiling harder, reaching, vocalizing — trying to restart the interaction, and when that fails, they physically and emotionally pull back.
The unsettling part isn't the experiment. It's what Tronick's broader body of research on parent-infant interaction found about ordinary, un-staged life: even attentive, loving caregivers are in sync with their baby's signals only about half the time. The rest is misread cues, mistimed responses, a phone ringing at the wrong moment, a caregiver simply tired. Attunement, measured honestly, is closer to a coin flip than a skill mastered.
What separates a securely attached child from an insecurely attached one isn't a higher hit rate on reading cues correctly. It's whether the inevitable misses get repaired — noticed, and corrected, rather than left standing. The relationship's real curriculum is rupture and repair, over and over, not an unbroken record of getting it right.
Which means the exhausting effort to never miss a cue is aimed at the wrong target entirely.