Observation, Attention & Perceptual Bias

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Abstractions about how observation, attention, and framing distort or organize perceived reality, including recording and validity practices in field research (fieldnotes, fieldnote backfill, invisible auditor), attentional and probability biases (frequency illusion, subadditivity effect), and narrative or recognition effects tied to context (foreshadowing cue, word superiority effect, ELIZA effect).

8 abstractions in this family — domain-specific abstractions that sit near one another in structural-signature space (k-means over structural-signature embeddings). Each is shown with its short description.

• ELIZA Effect — The tendency of users to attribute understanding, intention, and inner states to a system that produces only fluent, context-appropriate conversational output — a cheap default Theory-of-Mind inference that fires once output crosses a coherence threshold and persists even when the mechanism is known.
• Fieldnote Backfill — The validity threat by which a delayed field write-up silently fuses direct observation, inference, and gap-filling reconstruction into one undifferentiated register, collapsing the attribution that tells the strongest evidence from the weakest.
• Fieldnotes — Record what was observed as close in time and place to the moment as possible, keeping description separate from inference and observer reaction and writing for the analyst's own future self, so perishable context survives the gap between observation and analysis.
• Foreshadowing Cue — Plant an unobtrusive early detail whose meaning stays underdetermined across a gap, then let a later pay-off retroactively convert it into something load-bearing — the 'ah, of course' recognition.
• Frequency Illusion — Explain the felt surge in a thing's frequency right after you first notice it as a change in the perceiver, not the world — selective attention now logs real occurrences while confirmation-biased memory counts hits and discards misses.
• Invisible auditor — The invisible auditor model is a variation of the invisible witness model.
• Subadditivity Effect — Diagnose why the judged probability of an event named as a whole comes in reliably below the sum of judged probabilities for its named parts — because unpacking recruits more cognitive support — reading the known upward sign off which figure was solicited packed versus partitioned.
• Word Superiority Effect — The finding that a target letter is identified faster and more accurately inside a familiar word than in a non-word or alone, because an activated lexical whole feeds activation back down to its constituent letters within the stimulus window.