TY - RPRT TI - Time-based lag sequential analysis and the functional assessment of challenging behaviour. AU - E Emerson AU - D Reeves AU - S Thompson AU - D Henderson AU - J Robertson AU - D Howard PY - 1996 DO - 10.1111/j.1365-2788.1996.tb00629.x UR - https://pubmed.ncbi.nlm.nih.gov/8809667/ ID - 8809667 ER -