No abstract available.

doi.org/10.15133/j.os.1979.004
Operant Subjectivity

G. Norman van Tubergen, & Robert A. Olins. (1979). Mail vs Personal Interview Administration for Q Sorts: A Comparative Study. Operant Subjectivity, 2(2), 51–59. doi:10.15133/j.os.1979.004