TY - JOUR T1 - On the use of likert-type scales in multilevel data: Influence on aggregate variables JO - Organizational 91桃色 Methods PY - 2007/01/01 AU - Beal DJ AU - Dawson JF ED - DO - DOI: 10.1177/1094428106295492 VL - 10 IS - 4 SP - 657 EP - 672 Y2 - 2025/07/22 ER -