TY - JOUR TI - A bilingual word-length effect: Implications for intelligence testing and the relative ease of mental calculation in Welsh and English N1 - Available in print in the LRC JF - British Journal of Psychology AU - Ellis, N. C. AU - Hennelly, R. A. DO - 10.1111/j.2044-8295.1980.tb02728.x PY - 1980 EP - 51 SP - 43 IS - 1 VL - 71 ER -