Imputing Proficiency Data under Planned Missingness in Population Models IRT ISLA
Author(s):
von Davier, Matthias
Publication Year:
2014
Source:
Rutkowski, Leslie; von Davier, Matthias; Rutkowski, David (eds.) Handbook of International Large-Scale Assessment: Background, Technical Issues, and Methods of Data Analysis. Boca Raton: CRC Press, 2014, p175-201