1. An infrared device for detecting locomotor activity

   • Rex L. Clarke
   • Robert F. Smith
   • Don R. Justesen

   Methods & Designs Pages: 519 - 525

2. The bimean: A measure of central tendency that accommodates outliers

   • Peter R. Killeen

   Methods & Designs Pages: 526 - 528

3. A simple device for measuring the volume of small objects

   • Michael D. Gottlieb
   • Lisa A. Wentzek

   Instruments & Techniques Pages: 529 - 530

4. Invited Symposium Microcomputers in Research

   • I. Gormezano

   Computer Technology Pages: 531 - 531

5. Microcomputers in social psychophysiological research: An overview

   • Louis G. Tassinary
   • Beverly S. Marshall-Goodell
   • John T. Cacioppo

   Computer Technology Pages: 532 - 536

6. Microcomputers and conditioning research

   • Peter D Balsam
   • James Deich
   • Robert Scopatz

   Computer Technology Pages: 537 - 545

7. When do professional psychologists need professional programmers’ tools?

   • Howard L. Kaplan

   Instruments & Techniques Pages: 546 - 550

8. An Apple microcomputer system in physiological psychology

   • Anthony G. Romano
   • Joseph E. Steinmetz
   • Michael M. Patterson

   Instruments & Techniques Pages: 551 - 555

9. A split-screen electronic messaging system for Apple II computers

   • Deniz Ergener
   • A. Rodney Wellens

   Instruments & Techniques Pages: 556 - 564

10. Understanding and solving arithmetic word problems: A computer simulation

    • Charles R. Fletcher

    Computer Simulation Pages: 565 - 571

11. Schubrad: The comparison of the sensitivities of similar experiments

    • David J. Weiss

    Program Abstracts/Algorithms Pages: 572 - 572

12. RANCOVA: A Minitab macro for the calculation of nonparametric (ranked) analysis of covariance

    • R. L. Brown

    Program Abstracts/Algorithms Pages: 573 - 575

13. An Apple computer program for hierarchical grouping analysis

    • Marley W. Watkins
    • Joseph C. Kush

    Program Abstracts/Algorithms Pages: 576 - 576

14. A hierarchical grouping analysis program for the IBM Personal Computer

    • C. Michael Levy

    Program Abstracts/Algorithms Pages: 577 - 577

15. ICC: A BASIC program for the calculation of intraclass correlations based on fixed effects and random effects models

    • Michael J Strube

    Program Abstracts/Algorithms Pages: 578 - 578

16. SELECT3: A BASIC program for determining the consequences of using a selection procedure

    • Brian Mullen

    Program Abstracts/Algorithms Pages: 579 - 579

17. PRORATE: A BASIC program for calculating minimum test length given internal consistency constraints

    • Michael J Strube

    Program Abstracts/Algorithms Pages: 580 - 580

18. GEMINI: Program for analysis of structural equations with standard errors of indirect effects

    • Lee M. Wolfle
    • Corinna A. Ethington

    Program Abstracts/Algorithms Pages: 581 - 584