158 MEMOIRS NATIONAL ACADEMY OF SCIENCES. [Vol.xv, 



3. "Attention! Look at the square and triangle at 3. When I say 'Go' make a cross in the space which is in the 

 square but not in the triangle, and also make a figure 1 in the space which is in the triangle and in the square. — GO I" 

 (Allow not over 10 seconds.) 



4. "Attention! Look at 4. When I say 'Go' make a figure 1 in the space which is in the triangle but not in the 

 circle or square, and also make a figure 2 in the space which is in the square and circle, but not in the triangle. — GO!" 

 (Allow not over 10 seconds.) 



N. B. — Examiner: In reading 5, don't pause at the word circle as if ending a sentence. 



5. "Attention! Look at 5. If a regiment is bigger than a company, then (when I say 'Go') put a cross in the first 

 circle; if not, draw a line under the word NO. — GO!" (Allow not over 10 seconds.) 



6. "Attention! Look at 6. When I say 'Go' put in the second circle the right answer to the question: 'How many 

 months has a year?' In the fourth circle do nothing, but in the fifth circle put any number that is a wrong answer to 

 the question that you just answered correctly. — GO!" (Allow not over 10 seconds.) 



7. "Attention! Look at 7. When I say 'Go' cross out the letter just before D and also draw a line under the second 

 letter before I. — GO!" (Allow not over 10 seconds.) 



8. "Attention! Look at 8. Notice the three circles and the three words. When I say 'Go' make in the first circle 

 the last letter of the first word; in the second circle the last letter of the second word and in the third circle the third letter 

 of the third word. — GO!" (Allow not over 10 seconds.) 



9. "Attention! Look at 9. When I say 'Go' cross out each number that is more than 30 but less than 40. — GO!" 

 (Allow not over 15 seconds.) 



10. "Attention! Look at 10. Notice that the drawing is divided into five parts. When I say 'Go' put a 3 or a 2 

 in each of the two smallest parts and any number between 4 and 7 in the part next in size to the largest part. — GO!" 

 (Allow not over 15 seconds.) 



11. "Attention! Look at 11. When I say 'Go' draw a line through every odd number that is not in a circle and also 

 through every odd number that is in a circle with a letter. — GO!" (Allow not over 25 seconds.) 



12. "Attention! Look at 12. If 6 is more than 4, then (when I say 'Go') cross out the number 5 unless 5 is more 

 than 7, in which case draw a line under the number 6. — GO !" (Allow not over 10 seconds.) 



"During the rest of this examination don't turn any page forward or backward unless you are told to. Now turn over 

 the page to test 2." 



Test 1, form 7. 



1. "Attention! 'Attention! ' always means 'Pencils upl' Look at tha circles at 1. When I say 'Go' (but not 

 before) make a figure 1 in the first circle and also a cross in the third circle. — GO ! " (Allow not over 5 seconds.) 



2. "Attention ! Look at 2, where the circles have numbers in them. When I say 'Go' draw a line from circle 3 

 to circle 6 that will pass above circle 4 and below circle 5. — GO ! " (Allow not over 5 seconds.) 



3. "Attention ! Look at the square and triangle at 3. When I say 'Go' make a figure 1 in the space which is in 

 the triangle but not in the square, and also make a cross in the space which is in the triangle and in the square. — GO ! " 

 (Allow not over 10 seconds.) 



4. "Attention ! Look at 4. When I say 'Go' make a figure 1 in the space which is in the square butnot in the 

 circle or triangle, and also make a figure 2 in the space which is in the circle and triangle, but not in the square. — 

 GO!" (Allow not over 10 seconds.) 



(N. B. — Examiner: In reading 5, don't pause at the word circle as if ending a sentence.) 



5. "Attention ! Look at 5. If a battleship is larger than a submarine, then (when I say 'Go') put a cross in the 

 third circle; if not, draw a line under the word NO. — GO ! " (Allow not over 10 seconds.) 



6. "Attention! Look at 6. When I say 'Go' put in the first circle the right answer to the question: 'How many 

 months has a year? ' In the third circle do nothing, but in the fourth circle put any number that is a wrong answer 

 to the question that you just answered correctly. — GO ! " (Allow not over 10 seconds.) 



7. "Attention! Lookat7. When I say 'Go 'cross out the letter just before E and also draw a line under the second 

 letter before H. — GO ! " (Allow not over 10 seconds.) 



8. "Attention ! Look at 8. Notice the three circles and the three words. When I say 'Go' make in the first 

 circle the first letter of the first word; in the second circle the second letter of the second word, and in the third circle 

 the last letter of the last word. — GO ! " (Allow not over 10 seconds.) 



9. "Attention! Look at 9. When I say 'Go' cross out each number that is more than 40 but less than 50. — GO!" 

 (Allow not over 15 seconds.) 



10. "Attention! Look at 10. Notice that the drawing is divided into five parts. When I say 'Go' put a 4 or a 5 

 in each of the two smallest parts and any number between 6 and 9 in the part next in size to the largest part. — GO ! " 

 (Allow not over 15 seconds.) 



11. "Attention! Look at 11. When I say 'Go 'draw a line through every even number that is not in a circle and 

 also through every odd number that is in a circle with a letter. — GO ! " (Allow not over 25 seconds.) 



12. "Attention! Look at 12. If 5 is more than 3, then (when I say 'Go') cross out the number 4 unless 4 is more 

 than 6, in which case draw a line under the number 5. — GO ! " (Allow not over 10 seconds.) 



"During the rest of this examination don't turn any page forward or backward unless you are told to. Now turn 

 over the page to test 2." 



