1. Luminance profiles demonstrate nonlinearities of brightness perception

   • Stuart Anstis

   Methods & Designs Pages: 427 - 436

2. An inexpensive electronic switch with adjustable gain

   • David L. Hoats

   Instrumentation & Techniques Pages: 437 - 438

3. A portable four-channel cassette recording system for short-term electroencephalogram in the field

   • Joseph S. Ali

   Instrumentation & Techniques Pages: 439 - 441

4. Apparatus for measuring and recording path velocity and direction characteristics of human locomotion

   • E. R. Strelow
   • J. A. Brabyn
   • G. R. S. Clark

   Instrumentation & Techniques Pages: 442 - 446

5. A programmable tone generator for presenting melodic and harmonic patterns in music research

   • David Brian Williams
   • Richard K. Hoskin

   Instrumentation & Techniques Pages: 447 - 449

6. A safe signaling device for use in measuring consummatory behavior in the automated aversion therapy of alcoholics

   • Robert F. Bremser
   • Robert S. Davidson
   • Robert M. Mortensen

   Instrumentation & Techniques Pages: 450 - 452

7. A method for obtaining single cell responses in the optic tract of self-respiring fish

   • Jeremy M. Shefner
   • Michael W. Levine

   Instrumentation & Techniques Pages: 453 - 455

8. A computer assisted system for the extraction and visual display of pitch

   • A. B. Rostron
   • C. P. Welbourn

   Computer Technology Pages: 456 - 459

9. GSCALE: Scalogram analysis for dichotomously scored items

   • Marilyn D. Wang

   Program Abstracts/Algorithms Pages: 460 - 461

10. A computerized approach for determining equal appearing interval attitude scales

    • Richard J. Hofmann

    Program Abstracts/Algorithms Pages: 462 - 462

11. A computer program for interpersonal perception method

    • S. R. Venkatramaiau
    • K. Parvatheswara Prasad

    Program Abstracts/Algorithms Pages: 463 - 464

12. Predicting high blood alcohol levels for animals in a group situation

    • Martin W. Scott
    • Mark E. Wilson

    Program Abstracts/Algorithms Pages: 465 - 466

13. A FORTRAN IV program for Rao’s test of uniformity in circular distributions

    • Paul V. Hamilton

    Program Abstracts/Algorithms Pages: 467 - 467

14. SIMCOL: A FORTRAN IV simulation program for use in the study of coalitional behavior

    • John F. Flaherty

    Program Abstracts/Algorithms Pages: 468 - 468

15. Calculation of mood’s dispersion test statistic using Mielke’s adjustment for ties: A program for use on a computer terminal

    • Grant H. Youngman
    • Wayne W. Daniel

    Program Abstracts/Algorithms Pages: 469 - 469

16. A computer program for randomization tests for predicted trends

    • Eugene S. Edgington
    • Allan R. Strain

    Program Abstracts/Algorithms Pages: 470 - 470

17. SINFA: Multivariate uncertainty analysis for confusion matrices

    • Marilyn D. Wang

    Program Abstracts/Algorithms Pages: 471 - 472

18. Printout

    • Joseph B. Sidowski

    Announcement Pages: 473 - 477

19. Small interval timer for observational studies

    • Joan S. Lockard

    Notes Pages: 478 - 478

20. Behavioral thermoregulation in the spectacled caiman (Caiman sclerops)

    • Steven J. Linton

    Notes Pages: 479 - 480

21. Monitoring response patterns of individual monkeys living in groups

    • Robert H. Elton
    • Anthony R. Kjeldsen

    Notes Pages: 481 - 481