250 MEMOIRS NATIONAL ACADEMY OF SCIENCES. [vol. xv, 



Section 9. — Examination beta, form 0. 



The following eight pages present the tests of examination beta in the same order in which 

 they appeared in the booklet, 8 \ by 11 inches. Test 8 was eventually omitted in giving the 

 examination. The blanks have been marked wherever feasible to indicate the correct response to 

 each item. The blackboard demonstration which was used in connection with the instructions 

 for each test is pictured in plates 7, 8, 15, and 16. For instructions see Examiner's Guide 

 pages, 163 to 165. 



Test 1. Maze. — Credit for correct tracing of each maze. 



Test 2. Cube counting. — Correct response indicated. 



Test 3. X-0 series. — The series is to be carried out to the end of the line. 



Test 4- Digit symbol. — The appropriate number is to be written under each symbol. 



Test 5. Number checking. — Correct response indicated. 



Test 6. Picture completion. — The following responses are correct: 



1. Mouth. 6. Ear. 11. Trigger. 16. Net. 



2. Eye. 7. Filament. 12. Tail. 17. Forearm. 



3. Nose. 8. Stamp. 13. Leg. 18. Horn. 



4. Spoon. 9. Strings. 14. Shadow. 19. Arm (in mirror). 



5. Chimney. 10. Rivet. 15. Ball (in hand). 20. Diamond. 



Test 7. Geometrical construction. — The correct responses are indicated below in Fig. 47. 



1 B, 2 Positions, 2 0, 2. Positions, 3 B,4 Positions, 4 [3 , 2 Positions, 

 5 [0 > 4 Positions, 6 121, 4 Positions, 7 E3 , 2 Positions, 6 ED, 4 Positions, 

 90,4 Positions, IO E), 4 Position 3 or B , 4 Positions. 



Fig. 47. See also Fig. 54, p. 357. 



Test S. Spot pattern. — Correct responses are not indicated. 



