## Supplementary materials for Registered Report
1. Initial screening questionnaire
2. Demographic questionnaire
3. Edinburgh Handedness Inventory
4. Items for Rhyme Decision Task
5. Items for Word Comprehension Task
6. Correlations of language measures with raw and absolute laterality indices
7. Raw data for left and right sides on behavioural laterality tasks
8. Detailed output from SEM analyses, with comparisons for analyses conducted using different criteria for inclusion