An objective method for allocating tests for the bi-factor pattern and steps for pattern evaluation /
Holzinger, Karl J.(Karl John),1892-
Swineford, Frances.
Scottish Council for Research in Education,former owner.NLS
[Chicago] : Statistical Laboratory, Department of Education, University of Chicago,
c1936.
Provenance: 20th-century ink stamp on cover: Scottish Council for Research in Education, 47 Moray Place, Edinburgh.