Tc. Pritchard et al., AN INEXPENSIVE, MULTIPURPOSE PROXIMITY DETECTOR FOR USE IN BEHAVIORAL-EXPERIMENTS, Physiology & behavior, 57(3), 1995, pp. 581-583
This report describes the procedure for converting a commercially sold
construction tool into a versatile, noninvasive, proximity detector s
uitable for laboratory use. The recommended modifications, which are b
oth simple and inexpensive, enable the device to be integrated with la
boratory computers.