TY - JOUR TI - A comparison of nonresponse in mail, telephone, and face-to-face survey. Applying multilevel modeling to meta-analysis T2 - Quality & quantity VL - 28 IS - 4 EP - 344 AU - Hox, Joop J. A2 - Leeuw, Edith D. de PY - 1994 LA - English SP - 329 SN - 0033-5177 ER -