Do silent readers 'hear' stress and rhythm in their heads?
Readers slowed down on an ambiguous word when the story context demanded stressing it but the rhythm of the sentence made stress awkward, suggesting we build an inner prosody while reading silently.
Source
Prosodic Focus Marking in Silent Reading: Effects of Discourse Context and Rhythm
Study at a glance
- Design
- Human experiment — 2 (context: subject vs object focus) x 2 (left rhythm: on vs off beat) x 2 (right rhythm: stress clash or not) sentence manipulation; Experiment 1 unprepared oral reading, Experiment 2 eye-tracking during silent reading.
- N
- N=49 · Experiment 2 (eye tracking) analysed 49 native German speakers after three were excluded for mis-calibration; the participant count and methods of Experiment 1 are missing from the available text (only its results survive).
- Population
- Native German-speaking adults from the Berlin area (Experiment 2), who took part for course credit or payment.
- Outcome
- Experiment 1: whether the particle 'auch' was accented aloud; Experiment 2: first-pass, regression-path and total reading times on critical words.
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What they did
The researchers built German sentences containing 'auch' ('too'), which can attach either to the subject or the object. A preceding context sentence decided which reading was correct (making the object old or new), and the syllable pattern of the preceding subject put 'auch' either on or off the rhythmic beat; the stress pattern of the following word was also varied. In Experiment 1 people read the sentences aloud unprepared and judges scored whether 'auch' was accented; in Experiment 2 a separate group read them silently while their eye movements were tracked.
What they found
Aloud, readers accented 'auch' much more often when context required it (41% vs 8% of cases) and more often when it fell on the beat (28% vs 20%), though overall they mostly left it unaccented. In silent reading, first-pass times on 'auch' were longer when context required the subject-focus reading, and longer reading times appeared when the needed accent clashed with the rhythmic position. This context-by-rhythm interaction appeared before readers had even fixated the disambiguating object, pointing to an early guiding role for implicit rhythm rather than later reanalysis. The manipulation of the following word's stress had only weak, late effects.
The limits
What it doesn't show
The available text is incomplete: the introduction and the methods and participant numbers of Experiment 1 are missing, so the oral-reading study cannot be fully evaluated here. Evidence is from one language (German) and one particle, with 24 item sets, so generalisation to other structures and languages is untested. Implicit prosody is inferred from reading times rather than measured directly, and the early effect on 'auch' is attributed to preview of the next word, which is an interpretation. Maximal random-effects models did not converge in the conventional analysis, though a Bayesian check largely agreed.
Key terms
- Implicit prosody
- The inner rhythm, stress and intonation that readers are thought to project onto text while reading silently.
- Focus
- The part of a sentence that carries new or contrasting information, marked in spoken German by a pitch accent.
- Stress clash
- Two stressed syllables falling next to each other, which speakers tend to avoid.
- First-pass reading time
- The total time spent fixating a word the first time it is encountered, before the eyes move to another word.
- Regression-path duration
- Time from first landing on a word until moving past it to the right, including looks back to earlier words.
- Parafoveal preview
- Getting information about the next word from just outside the point of fixation before looking at it directly.
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What does 'implicit prosody' refer to?
Common questions
Why use eye tracking rather than just asking readers what the sentence meant?
Eye movements show moment-by-moment processing difficulty, so they reveal when context and rhythm influence interpretation, not just the final answer.
Why does it matter that the effect appeared before the disambiguating word was read?
It suggests rhythm guides the initial analysis rather than only helping readers repair a wrong interpretation afterwards.
Why did oral readers so often fail to accent 'auch' even when context required it?
The task was unprepared reading aloud, function words are usually left unaccented, and a different word order is a more natural way to express subject focus in German.
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