Frequently the instructor in laboratory Psychology can improve the results of the laboratory work by making a few minor adjustments and adaptations to the standard equipment.
Proceedings of the Iowa Academy of Science
©1934 Iowa Academy of Science, Inc.
Jones, M. R.
"Some Supplementary Devices for Improving Laboratory Results,"
Proceedings of the Iowa Academy of Science, 41(1), 265-267.
Available at: https://scholarworks.uni.edu/pias/vol41/iss1/97