MEASURES OF CHILD BEHAVIOR AND CHARACTERISTICS, NOT YET PUBLISHED AS SEPARATE ENTITIES, WERE COLLECTED THROUGH A PAGE-BY-PAGE SEARCH OF ISSUES OF 46 JOURNALS (LISTED IN APPENDIX A) PUBLISHED DURING THE PERIOD OF JANUARY 1956 TO DECEMBER 1965 AND 50 RELEVANT BOOKS. CORRESPONDENCE WITH RESEARCHERS AND AUTHORS OF MEASURES YIELDED ADDITIONAL MEASUREMENT RESOURCES. AS PRESENTED IN THE REPORT, THE MEASURES WERE GROUPED INTO SIX KINDS, (1) DEVELOPMENT, ACADEMIC APTITUDE, AND ACHIEVEMENT, (2) PERSONALITY, (3) ATTITUDES, (4) SOCIAL INTERACTION AND SKILLS, (5) PERCEPTUAL SKILLS, AND (6) MISCELLANEOUS. THE LISTING FOR EACH TEST INCLUDED ITS NAME, THE AUTHOR, THE AGE OF THE POPULATION FOR WHOM IT WAS DESIGNED, THE GENERAL AREA OF INTEREST, THE TYPE OF MEASURE, AND THE SOURCE FROM WHICH A COPY OF THE MEASURE MIGHT BE OBTAINED. A DESCRIPTION OF THE MEASURE (OFTEN QUOTING ITS AUTHOR) INCLUDED SAMPLE ITEMS AND AN OUTLINE OF THE ADMINISTRATIVE AND SCORING PROCEDURES. WHEN AVAILABLE, RELIABILITY AND VALIDITY DATA WERE BRIEFLY SUMMARIZED. A BIBLIOGRAPHICAL REFERENCE WAS PROVIDED FOR EACH MEASURE. (MS)