Lexical Optimisation and Hardware-Timed Experiment Generation

---

Documentation for package ‘lexsync’ version 0.1.0

• DESCRIPTION file.
• User guides, package vignettes and other documentation.
• Package NEWS.

Help Pages

add_bigram_frequency	Mean bigram probability (type-based, non-positional), a phonotactic-probability proxy
add_neighbourhood	Compute orthographic-neighbourhood dimensions (Coltheart's N and OLD20)
add_pair_overlap	Orthographic overlap between the two members of each pair
assign_triggers	Assign EEG trigger codes to stimuli
balance_check	Check that the levels of given columns occur equally often
balance_lists	Assign item sets to counterbalancing lists so the lists match on the item dimensions
build_datasheet	Assemble the materials datasheet for one design
build_lexdec_stimuli	Assemble a word-vs-pseudoword lexical-decision set from a candidate pool
build_pool	Build an experimental candidate pool by filtering a lexicon
cohens_d	Cohen's d (pooled-SD standardised mean difference)
cohens_d_ci	Cohen's d with a confidence interval, complementing the TOST verdict
counterbalance	Assign stimuli to lists and a randomised, reproducible trial order
count_syllables	Orthographic syllable estimate: the number of maximal vowel runs
describe_stimuli	Per-group descriptive statistics for several dimensions
export_experiments	Export all presentation targets (PsychoPy, OpenSesame, jsPsych)
export_jspsych	Export a browser-runnable jsPsych experiment
export_opensesame	Export a complete plain-text OpenSesame experiment
export_psychopy	Export a runnable PsychoPy script that interprets the event sequence
fetch_corpus	Download a CSV-format registered corpus into the cache
generate_pseudowords	A length-matched pseudoword for each base word (byte-order processing)
lexsync_cache_dir	Per-user cache directory for fetched corpora
list_corpora	List the corpora known to the registry
load_items	Load a paradigm item table (prime-target pairs, sentences, ...)
load_lexicon	Load a lexicon from a CSV file
load_pool	Load a supplied candidate pool of words and give it the matcher's dimensions
log_artefact	Record a written artefact (path, rows, fingerprint) in the log
log_step	Append a step to a run log
make_pseudoword	The most bigram-plausible legal non-word at the smallest edit distance
match_report	Build the full match-quality report
match_report_continuous	Realised-control report for a continuous design
match_stimuli	Match stimuli across conditions on several lexical dimensions
merge_norms	Left-join a norm table (e.g. concreteness, age of acquisition, valence)
methods_paragraph	A ready-to-adapt methods paragraph rendered from a datasheet
new_run_log	Start a new run log
PARADIGMS	The paradigm registry: default event sequences and required fields
participant_table	Build a participant counterbalancing table
required_fields	Trial fields a design needs present in its items (paradigm + events)
resample_stimuli	Produce several disjoint matched item sets (items as a random factor)
resolve_events	The design's trial event list: its own 'events', else its paradigm's
resolve_trial_timing	Realise per-trial event durations onto the stimuli table
run_all	Run the lexsync pipeline for every design configuration
run_pipeline	Run the lexsync pipeline for one design
select_continuous_stimuli	Select a set spanning a continuous predictor, holding controls constant
tost_equiv	Two one-sided tests (TOST) of equivalence on a Cohen's d bound
variance_ratio	Variance ratio: a distributional balance check
write_datasheet	Write a datasheet to a JSON record and a Markdown rendering
write_run_log	Write the run log to Markdown (and optionally JSON Lines)