on the acoustic analysis of primate vocalizations Philip Lieberman Methods & Designs Pages: 169 - 174
The effects of response bias in two-alternative-forced-choice discrimination matrices C. M. Holloway Methods & Designs Pages: 175 - 178
A method of producing a three-dimensional cathode ray tube display William Simon Instrumentation & Techniques Pages: 179 - 180
What does the ultrasonic activity recording device measure? Robert C. BollesGeorge H. Sanders Instrumentation & Techniques Pages: 180 - 182
Liquid level detector with automatic refill and depletion indicator David Krausman Instrumentation & Techniques Pages: 182 - 183
A new device for the application of electrical shock Maurice E. T. SwinnenJoseph V. BradyMarshall G. POWELL Instrumentation & Techniques Pages: 184 - 184
A simple and inexpensive click-free audio switch Arnold M. Small Instrumentation & Techniques Pages: 185 - 187
An automated multi-channel programming, data collection, and printout system for avoidance and stress conditioning of monkeys Ronald I. BarenstenJoan S. Lockard Instrumentation & Techniques Pages: 187 - 189
Measurement of electroconvulsive shock Intensity Robert R. Pagano Instrumentation & Techniques Pages: 190 - 191
A solid-state device for presenting moving shadows Norman M. WeinbergerDavid A. Goodman Instrumentation & Techniques Pages: 192 - 193
A hardware random number generator for use with computer control of probabilistic contingencies J. R. MillensonG. D. Sullivan Computer Technology Pages: 194 - 196