TRACE / src /generators /aba_dtt.py
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Initial public release: TRACE v1.0.0
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"""DTT area generator.
Loads configs/dtt/ + configs/shared/ and produces JSONL examples with
clinically-consistent combinations sampled from the DTT taxonomy.
"""
import random
from pathlib import Path
from .base import (
article,
load_area,
load_shared,
render_prompt_sequence,
sample_stimuli,
strip_trailing_period,
make_example_envelope,
)
# Area identifier + task type
AREA = "dtt"
TASK_TYPE = "teaching_program"
# SD (Discriminative Stimulus) generation — clinically nuanced
def generate_sd(skill_target: str, domain_id: str, rng: random.Random) -> dict:
"""Generate primary SD, variations, and presentation description.
Sub-domain aware: Tact-of-colors gets "What color?", not "What is this?".
"""
skill = skill_target.lower()
if domain_id == "tact":
if "color" in skill:
return _sd("What color?", '"What color is this?"; "Tell me the color"',
"Present a single-color object and ask while pointing to it.")
if "shape" in skill:
return _sd("What shape?", '"What shape is this?"; "Tell me the shape"',
"Present a clearly-shaped object or shape card and ask while pointing to it.")
if "action" in skill:
return _sd("What is he doing?", '"What action?"; "What is she doing?"; "What is happening here?"',
"Present an action picture, video clip, or live demonstration.")
if "emotion" in skill or "feeling" in skill:
return _sd("How does he feel?", '"What emotion?"; "How is she feeling?"',
"Present a photograph or emoji card depicting the target emotion.")
if "body part" in skill:
return _sd("What is this?", '"Tell me"; "Name this body part"',
"Point to the target body part (on self, learner, or doll) and ask.")
if "animal" in skill:
return _sd("What animal is this?", '"What is this?"; "Name this animal"',
"Present an animal picture card and ask while pointing.")
if "preposition" in skill:
return _sd("Where is it?", '"Where is the {object}?"; "Tell me where"',
"Arrange two objects in a target spatial relation and ask about the position.")
if "adjective" in skill:
return _sd("What is it like?", '"Describe it"; "Is it big or little?"',
"Present two contrasting items and prompt a comparative description.")
if "past" in skill or "event" in skill:
return _sd("What happened?", '"What did she do?"; "Tell me what you did"',
"Reference a recently completed action or event familiar to the learner.")
if "categor" in skill:
return _sd("What category?", '"What group does this belong to?"; "What kind of thing?"',
"Present a clearly categorizable item and prompt the category label.")
return _sd("What is this?", '"Tell me what you see"; "What\'s that?"; "Name this"',
"Present the target stimulus within visual field and ask while pointing to it.")
if domain_id == "vp_mts":
return _sd("Match", '"Find the same"; "Put with same"',
"Present the sample stimulus and an array of comparison stimuli simultaneously.")
if domain_id in {"listener_responding", "lrffc"}:
return _sd("Touch [target item]",
'"Point to [target item]"; "Give me [target item]"; "Show me [target item]"',
"Present an array of items on the table and deliver a clear verbal SD.")
if domain_id == "reading":
if "sight word" in skill or "word" in skill:
return _sd("What word?", '"Read this word"; "What does it say?"',
"Present the sight-word card and deliver the SD.")
if "letter" in skill:
return _sd("What letter is this?", '"Read this letter"; "What does this say?"',
"Present the letter flashcard.")
if "sentence" in skill or "passage" in skill:
return _sd("Read this.", '"Read it aloud"; "What does this sentence say?"',
"Present the written sentence or passage at an appropriate reading level.")
return _sd("What letter is this?", '"Read this letter"; "What does this say?"',
"Present the letter or word on a flashcard.")
if domain_id == "writing":
return _sd("Write the target.", '"Trace this"; "Copy this"; "Write {word}"',
"Provide pencil and paper; deliver a clear verbal instruction naming the target letter or word.")
if domain_id == "math":
if "numeral" in skill or "identif" in skill:
return _sd("What number is this?", '"Which number?"; "Tell me the number"',
"Present the numeral card.")
if "count" in skill:
return _sd("How many?", '"Count these"; "How many are there?"',
"Present the set of objects to count.")
if "add" in skill or "subtract" in skill:
return _sd("Solve this.", '"What is the answer?"; "How much?"',
"Present a written or spoken arithmetic problem at target level.")
return _sd("How many?", '"Count these"; "What number is this?"',
"Present the numeral card or a set of objects to count.")
return _sd("Show me", '"Do this"; "Your turn"',
"Present relevant stimuli and deliver a clear verbal SD.")
def _sd(primary: str, variations: str, presentation: str) -> dict:
return {"primary_sd": primary, "sd_variations": variations, "sd_presentation": presentation}
def current_prompt_guidance(mastery_state_id: str) -> str:
"""Translate mastery state into current-prompt-level guidance."""
if mastery_state_id in {"emerging", "developing"}:
return "begin at higher prompt levels (full-physical or partial-physical) with systematic fading."
if mastery_state_id == "approaching":
return "deliver gestural or positional prompts; fade toward independence."
if mastery_state_id in {"near", "mastered", "generalization"}:
return "use minimal prompts (positional or verbal hint) only when needed; expect independent responding."
return "prompt level calibrated to current performance."
# DTTGenerator class
class DTTGenerator:
"""Generates teaching-program examples for the DTT area.
Loads its self-contained taxonomy + template + compatibility rules from
configs/dtt/ and uses shared primitives from configs/shared/.
"""
def __init__(self, config_dir: Path):
self.config_dir = Path(config_dir)
self.shared = load_shared(self.config_dir)
self.area = load_area(self.config_dir, AREA)
self.template = self.area["template"]
self.taxonomy = self.area["taxonomy"]
self.compat = self.area["compatibility"]
self.prompt_types = self.shared["prompt_types"]["prompt_types"]
# sampling
def sample_combination(self, rng: random.Random) -> dict:
"""Sample a clinically-valid DTT combo."""
# Sample level with weights from compatibility config
level_weights = self.compat["level_sampling_weights"]
levels = list(level_weights.keys())
weights = [level_weights[k] for k in levels]
level_id = rng.choices(levels, weights=weights)[0]
# Sample domain — filter to only those that define this level (some
# domains like Writing don't have L3 in the DTT taxonomy because
# long-form writing is Task Analysis territory).
all_domains = self.taxonomy["skill_domains"]["vbmapp"]["domains"]
domains_with_level = [d for d in all_domains if level_id in d]
if not domains_with_level:
# Fall back: pick from all domains and re-sample a level they support
domain = rng.choice(all_domains)
available_levels = [lv for lv in levels if lv in domain]
level_id = rng.choice(available_levels)
else:
domain = rng.choice(domains_with_level)
skill_target = rng.choice(domain[level_id])
# Learner profile filtered by level
profiles = self.shared["learner_profiles"]["profiles"]
allowed_profile_ids = set(self.compat["level_to_learner_profiles"][level_id])
profile = rng.choice([p for p in profiles if p["id"] in allowed_profile_ids])
mastery_state = rng.choice(self.shared["mastery_states"]["states"])
# Prompt hierarchy then error-correction (filtered for errorless compat)
prompt_hierarchy = rng.choice(self.taxonomy["prompt_hierarchies"])
all_ecs = self.taxonomy["error_corrections"]
required_hierarchy = self.compat.get("errorless_requires_hierarchy")
if prompt_hierarchy["id"] != required_hierarchy:
valid_ecs = [ec for ec in all_ecs if ec["id"] != "errorless"]
else:
valid_ecs = all_ecs
error_correction = rng.choice(valid_ecs)
# Reinforcement schedule filtered by mastery state
all_schedules = self.taxonomy["reinforcement_schedules"]
allowed_schedule_ids = set(self.compat["mastery_to_reinforcement"][mastery_state["id"]])
valid_schedules = [s for s in all_schedules if s["id"] in allowed_schedule_ids]
if not valid_schedules:
valid_schedules = [s for s in all_schedules if s["id"] == "crf"]
reinforcement_schedule = rng.choice(valid_schedules)
mastery_criterion = rng.choice(self.taxonomy["mastery_criteria"])
return {
"skill_target": skill_target,
"domain_id": domain["id"],
"domain_name": domain["name"],
"level_id": level_id,
"learner_profile": profile,
"mastery_state": mastery_state,
"prompt_hierarchy": prompt_hierarchy,
"reinforcement_schedule": reinforcement_schedule,
"error_correction": error_correction,
"mastery_criterion": mastery_criterion,
}
# slot computation
def compute_slots(self, combo: dict, rng: random.Random) -> dict:
array_size_info = self.compat["array_size_by_level"][combo["level_id"]]
array_size_n = array_size_info["n"]
array_size_text = array_size_info["text"]
sd = generate_sd(combo["skill_target"], combo["domain_id"], rng)
stim = sample_stimuli(combo["skill_target"], array_size_n, rng)
if stim["distractors"]:
distractor_block = f"Distractor stimuli: {', '.join(stim['distractors'])}"
else:
distractor_block = "Distractor stimuli: N/A (no-array SD format)"
mastery_state = combo["mastery_state"]
return {
"skill_target": combo["skill_target"],
"curriculum_ref": f"{combo['domain_name']} {combo['level_id']}",
"learner_profile_name": combo["learner_profile"]["name"],
"learner_profile_article": article(combo["learner_profile"]["name"]),
"mastery_state_name": mastery_state["name"],
"mastery_state_short": mastery_state.get("short", mastery_state["name"].lower()),
"primary_sd": sd["primary_sd"],
"sd_variations": sd["sd_variations"],
"sd_presentation": sd["sd_presentation"],
"prompt_hierarchy_name": combo["prompt_hierarchy"]["name"],
"prompt_sequence": render_prompt_sequence(
combo["prompt_hierarchy"]["sequence"], self.prompt_types
),
"current_prompt_guidance": current_prompt_guidance(mastery_state["id"]),
"array_size": array_size_text,
"target_stimuli": ", ".join(stim["targets"]),
"distractor_block": distractor_block,
"error_correction_steps": combo["error_correction"]["steps"].strip(),
"reinforcement_schedule_name": combo["reinforcement_schedule"]["name"],
"reinforcement_description": strip_trailing_period(combo["reinforcement_schedule"]["description"]),
"mastery_criterion_text": combo["mastery_criterion"]["text"],
"ioa_frequency": rng.choice([3, 4, 5]),
"n_generalization_therapists": rng.choice([2, 3]),
"n_generalization_settings": rng.choice([2, 3]),
}
# rendering
def render_example(self, rng: random.Random) -> dict:
combo = self.sample_combination(rng)
slots = self.compute_slots(combo, rng)
user_variant = rng.choice(self.template["user_variants"])
user_content = user_variant.format(**slots)
assistant_content = self.template["assistant_template"].format(**slots)
gold_labels = {
"method": AREA,
"domain": f"VB-MAPP.{combo['domain_id']}",
"level": combo["level_id"],
"learner_profile": combo["learner_profile"]["id"],
"mastery_state": combo["mastery_state"]["id"],
}
provenance = {
"layer": 1,
"area": AREA,
"template_id": self.template["template_id"],
"taxonomy_cells": {
"skill_target": combo["skill_target"],
"prompt_hierarchy": combo["prompt_hierarchy"]["id"],
"reinforcement_schedule": combo["reinforcement_schedule"]["id"],
"error_correction": combo["error_correction"]["id"],
"mastery_criterion": combo["mastery_criterion"]["id"],
},
"teacher_model": None,
"seed_tag": str(rng.getstate()[1][0] % 100000),
}
return make_example_envelope(
system_content=self.template["system_prompt"],
user_content=user_content,
assistant_content=assistant_content,
task_type=TASK_TYPE,
gold_labels=gold_labels,
provenance=provenance,
)