The Direct Route: Mediated Priming in Semantic Space
Why this work is in the frame
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Bibliographic record
Abstract
McKoon and Ratcliff (1992) presented a theory of mediated priming where the priming effect is due to a direct but weak relatedness between prime and target.They also introduced a quantitative measure of word relatedness based on pointwise mutual information (Church and Hanks, 1990), and showed that stimuli chosen with the measure produced graded priming effects as predicted by their theory.Using stimuli from Balota and Lorch (1986), Livesay and Burgess (1998a,b) replicated the mediated priming effect in humans, but found that in HAL, a corpus-derived semantic space (Lund et al., 1995), mediated primes were in fact further from their targets than unrelated words.They concluded from this that mediated priming is not due to direct but weak relatedness.In this paper we present an alternative semantic space model based on earlier work (Mc-Donald and Lowe, 1998).We show how this space allows a) a detailed replication of Ratcliff and McKoon's experimental results using their stimuli and b) a replication of Livesay and Burgess's human experimental results showing mediated priming.We discuss the implications for theories of mediated priming.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.002 |
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 it