{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp03_full320_20260801","cell_id":"negative_space_design__speech_language_pathology","trajectory_id":"R","attempt_index":0,"archetype_slug":"negative_space_design","domain_slug":"speech_language_pathology","decision":"CANDIDATE","problem_id":"partner_filled_response_latency","causal_lever_id":"protected_response_formulation_window","proposal":{"problem":"In therapy and everyday conversation, partners may repeat, rephrase, add cues, or answer before a person with aphasia, motor-speech impairment, or AAC needs has finished formulating a response. This can suppress self-generated communication and make slow initiation look like inability. HYPOTHESIS: premature partner entry is frequent enough in the tested setting to be a material barrier.","actors_substrate":["consenting client with extended response latency","speech-language pathologist","trained communication partner or caregiver","spoken, gestural, written, or AAC response channel"],"observable_state":"After a prompt, the client shows possible formulation activity, but the partner adds speech or cues before an independent response, agreed help signal, or individualized time boundary occurs.","consequence":"Fewer independently initiated responses, disrupted formulation, greater partner control of content, and potentially invalid assessment of communicative capacity.","affected_objective":"Increase authentic, independently initiated communication without withholding necessary support, repair, accessibility, or safety information.","structural_mapping":[{"archetype_element":"Crowding","domain_realization":"Successive partner prompts, repetitions, guesses, and cues occupy the conversational interval needed for response formulation.","claim_kind":"HYPOTHESIS"},{"archetype_element":"Protected absence","domain_realization":"An agreed, observable wait window follows a comprehensible prompt and is not filled by the partner.","claim_kind":"INFERENCE"},{"archetype_element":"Positive form","domain_realization":"The silence frames and yields the next turn to the client's spoken, gestural, written, or AAC contribution.","claim_kind":"INFERENCE"},{"archetype_element":"Meaning-of-absence distinction","domain_realization":"The partner distinguishes active formulation from confusion, disengagement, distress, hearing failure, or technical failure.","claim_kind":"INFERENCE"},{"archetype_element":"Boundary and reintroduction","domain_realization":"The window ends at response initiation, an agreed request for help, observable distress, or an individualized maximum interval.","claim_kind":"INFERENCE"},{"archetype_element":"Effect validation","domain_realization":"Compare independent initiations, response completeness, latency, help requests, repairs, and reported comfort across ordinary and protected-wait prompts.","claim_kind":"HYPOTHESIS"}],"component_map":[{"component":"Omission Candidate","status":"adapted","domain_realization":"Premature repetitions, reformulations, guesses, and nonessential cues after a understood prompt."},{"component":"Protected Empty Space","status":"direct","domain_realization":"A protected conversational interval in which the partner withholds additional input."},{"component":"Positive Form Relationship","status":"direct","domain_realization":"The interval gives perceptual and interactional priority to the client's next contribution."},{"component":"Attention Competition Map","status":"adapted","domain_realization":"Record which partner behaviors overlap with formulation signs or redirect attention from the response channel."},{"component":"Absence Boundary","status":"adapted","domain_realization":"Define entry after prompt comprehension and exit through response, help signal, distress, or individualized timeout."},{"component":"Clarity or Effect Test","status":"adapted","domain_realization":"Measure independent initiation and communication success, not silence duration alone."},{"component":"Rest and Pacing Zone","status":"direct","domain_realization":"The post-prompt interval permits formulation and motor planning at the client's pace."},{"component":"Meaning-of-Absence Check","status":"adapted","domain_realization":"Use agreed signals and observed behavior to distinguish thinking from confusion, refusal, distress, or access failure."},{"component":"Reintroduction Trigger","status":"direct","domain_realization":"Provide graded support only when the client requests it or the boundary condition occurs."},{"component":"Accessibility and Recoverability Guardrail","status":"adapted","domain_realization":"Keep the prompt and AAC access available; allow immediate help, repetition, opt-out, and return to ordinary support."},{"component":"Context Preservation Frame","status":"adapted","domain_realization":"Withhold new input while retaining topic, prompt, visual supports, and relevant choices."}],"mechanism_dispositions":[{"slug":"architectural_void","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"Spatial enclosure does not govern conversational turn transfer.","counterfactual_removal":"No material change."},{"slug":"blank_or_rest_frame","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"A generic blank beat could be mistaken for breakdown and adds no individualized interpretation rule.","counterfactual_removal":"No material change."},{"slug":"editorial_cut","disposition":"selected_load_bearing","contribution_type":"CORE_CAUSAL","adaptation_or_rejection":"Cut premature partner additions while preserving the original prompt and recoverable supports.","counterfactual_removal":"The partner continues filling the formulation interval, eliminating the causal lever."},{"slug":"empty_state_design","disposition":"selected_supporting","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Adapt diagnosis-before-action to distinguish thinking, confusion, refusal, distress, and access failure.","counterfactual_removal":"Silence could be misread and support withheld or reintroduced incorrectly."},{"slug":"facilitation_silence","disposition":"selected_load_bearing","contribution_type":"CORE_CAUSAL","adaptation_or_rejection":"The more verbally powerful partner deliberately yields and monitors the response interval.","counterfactual_removal":"No protected opportunity remains for the client to take the turn."},{"slug":"focus_mode_or_control_hiding","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"Hiding communication controls or AAC access conflicts with recoverability.","counterfactual_removal":"Avoids an accessibility hazard."},{"slug":"margin_and_gutter_system","disposition":"incompatible","contribution_type":"NONE","adaptation_or_rejection":"Repeated visual spacing tokens do not implement temporal, contingent turn-taking.","counterfactual_removal":"No material change."},{"slug":"negative_space_logo","disposition":"incompatible","contribution_type":"NONE","adaptation_or_rejection":"Figure-ground symbolism has no relevant causal relation.","counterfactual_removal":"No material change."},{"slug":"pause_in_speech","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"The speaker retains the floor; the target requires yielding it to another communicator.","counterfactual_removal":"Preserves the crucial turn-transfer distinction."},{"slug":"sparse_layout","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"Reducing visible elements does not address premature partner speech.","counterfactual_removal":"No material change."},{"slug":"whitespace","disposition":"incompatible","contribution_type":"NONE","adaptation_or_rejection":"Visual proximity is not the operative substrate.","counterfactual_removal":"No material change."}],"causal_chain":["Map prompt episodes and identify partner additions that precede possible client response initiation.","Agree on a help signal, accessible retained prompt, formulation cues, and individualized maximum wait boundary.","After a comprehensible prompt, omit nonessential partner input and protect the response interval.","The unfilled interval preserves the client's turn and opportunity to formulate across available modalities.","HYPOTHESIS: protected opportunity increases independently initiated, attributable communication without unacceptable distress or reduced task success.","Bounded first test: with 4-6 consenting clients, alternate balanced ordinary-support and protected-wait prompt blocks across two sessions; video-code overlap, initiation, success, help requests, repairs, and comfort, then stop or revise per client."],"baseline":"Ordinary practice in the target setting: a short natural pause followed by partner repetition, reformulation, guessing, added cues, or completion based on immediate judgment.","nearest_rival":"A fixed-count wait-time rule. It also delays prompting but lacks individualized meaning checks, accessible help signals, retained context, and contingent reintroduction.","authority_safety":{"affected_parties":["client","speech-language pathologist","communication partner or caregiver"],"decision_authority":"The client authorizes or declines the protocol and controls help or stop signals; the clinician controls their own prompting and clinical safety response. A caregiver cannot override a capable client's refusal.","authorized_first_step":"With consent, observe baseline interruptions, agree on signals and boundaries, and run the two-session alternating-block test without changing diagnosis or care access.","excluded_actions":["withholding urgent medical, swallowing, or safety guidance","removing AAC, visual supports, or the original prompt","using silence to pressure disclosure, compliance, or performance","treating nonresponse as consent","making diagnostic conclusions from wait duration alone"],"halt_rollback":"Stop the interval immediately for distress, refusal, access failure, safety need, repeated loss of task success, or the agreed signal; restore ordinary support and review the boundary before any retry."}},"negative_tests":{"strongest_counterevidence":"Some delayed responses reflect failed comprehension, fatigue, severe formulation impairment, or absent access rather than interrupted preparation; longer silence may increase anxiety and produce no additional independent communication.","analogy_break":"Unlike a passive architectural or visual void, conversational silence is enacted by a higher-power partner and can communicate judgment, abandonment, or coercion. Its meaning must therefore be negotiated and continuously interpreted.","failure_condition":"The approach fails if partners cannot reliably preserve prompt context, recognize help or distress signals, or re-enter before silence becomes harmful.","problem_falsifier":"Baseline observation shows that partners rarely enter before client initiation or agreed help signals, and independent judges find no plausible unfinished formulation displaced by partner input.","intervention_falsifier":"Premature entry is documented, but protected-wait blocks do not improve independent initiation or communication success versus baseline, or they increase distress, refusals, repair burden, or access failures beyond the client-approved threshold.","risks":["anxiety or perceived evaluation during silence","delayed help after misunderstanding","clinician overinterpreting ambiguous formulation cues","fatigue from prolonged trials","caregiver generalization without consent","inflated initiation counts without meaningful communication gain"]},"null_rationale":null,"classification":{"candidate_kind":"MECHANISM_ADAPTATION","prior_art_status":"UNSEARCHED","evidence_maturity":"HYPOTHESIS"},"revision_change_log":{"revision_kind":"ORIGINAL","prior_problem_id":null,"prior_causal_lever_id":null,"problem_changed":false,"causal_lever_changed":false,"conceptual_changes":[],"operational_changes":[],"repairs_addressed":[]},"confidence":0.86,"generator_notes":"Closed-book structural inference. The fit depends on observed premature partner entry, not response latency alone; all empirical domain effects remain hypotheses pending the bounded test."}